Published and in-press refereed articles

Invited Articles
[A21] C. Rowe, X. Zhu, B. Crockett, G. Lim, M. Goodarzi, M. Fernández, J. van Howe, H. Sun, S. Kaushal, A. Shoeib, J. Azaña, “Linear wave energy redistribution methods for photonic signal processing,Nat. npj Nanophotonics, vol. 2, p. 13 (2024).

[A20] B. Crockett, L. Romero Cortés, J. Azaña, “Passive amplification and noise mitigation of optical signals through Talbot processing,” IEEE/OSA J. Lightwave Technol., vol. 41, pp. 797-814 (2023).

[A19] X.-Z. Li, M. Seghilani, L. Romero Cortés, J. Azaña, “Sub-THz optical frequency comb generation by efficient repetition-rate multiplication of a 250-MHz mode-locked laser,IEEE J. Sel. Top. Quantum Electron., vol. 27, pp. 7601310 (1-10) (2021).

[A18] S. Sciara, P. Roztocki, B. Fischer, C. Reimer, L. Romero Cortés, W. J. Munro, D. J. Moss, A. C. Cino, L. Caspani, M. Kues, J. Azaña, R. Morandotti, “Scalable and effective multi-level entangled photon states: a promising tool to boost quantum technologies, Nanophotonics, vol. 10, pp. 4447-4465 (2021).

[A17] L. Romero Cortés, D. Onori, H. Guillet de Chatellus, M. Burla, J. Azaña, “Towards on-chip photonic-assisted radio-frequency spectrum measurement and monitoring,” Optica, vol. 7, pp. 434-447 (2020).

[A16] S. Reddy Konatham, H. Guillet de Chatellus, J. Azaña, “Photonics-based real-time spectrogram analysis of broadband waveforms,IEEE/OSA J. Lightwave Technol., vol. 38, pp. 5356-5367 (2020).

[A15] S. Sciara, P. Roztocki, C. Rimoldi, M. Chemnitz, B. Fischer, L. Romero Cortés, W.J. Munro, D.J. Moss, L. Caspani, C. Reimer, J. Azaña, M. Kues, R. Morandotti, “Generation and processing of complex photon states with quantum frequency combs,” IEEE Photon. Technol. Lett., vol. 31, pp. 1862-1865 (2019).

[A14] L. Romero Cortés, R. Maram, H. Guillet de Chatellus, J. Azaña, “Arbitrary energy-preserving control of optical pulse trains and frequency combs through generalized Talbot effects,” Laser Photon. Rev., vol. 13, p. 1900176 (2019).

[A13] R. Maram, S. Kaushal, J. Azaña, L.R. Chen, “Recent trends and advances of silicon-based integrated microwave photonics,MDPI Photonics, vol. 6, p. 13 (2019).

[A12] P. Roztocki, S. Sciara, C. Reimer, L. Romero Cortés, Y. Zhang, B. Wetzel, M. Islam, B. Fischer, A. Cino, S. T. Chu, B. E. Little, D. J. Moss, L. Caspani, J. Azaña, M. Kues, R. Morandotti, “Complex quantum state generation and coherent control based on integrated frequency combs,” IEEE/OSA J. Lightwave Technol., vol. 37, pp. 338-344 (2019).

[A11] S. Kaushal, R. Cheng, M. L. Ma, A. Mistry, M. Burla, L. Chrostowski, J. Azaña, “Optical signal processing based on silicon photonics waveguide Bragg gratings: review,” Frontiers of Optoelectronics, vol. 11, pp. 163-168 (2018).

[A10] C. Reimer, Y. Zhang, P. Roztocki, S. Sciara, M. Islam, B. Fischer, L. Romero Cortés, B. Wetzel, A. Cino, S. T. Chu, B. E. Little, D. J. Moss, L. Caspani, J. Azaña, M. Kues, R. Morandotti, “On-chip frequency combs and telecommunications signal processing meet quantum optics,” Frontiers of Optoelectronics, vol. 11, pp. 134-147 (2018).

[A9] R. Maram, L. Romero Cortes, J. Van Howe, J. Azaña, “Energy-preserving arbitrary repetition-rate control of periodic pulse trains using temporal Talbot effects,” IEEE/OSA J. Lightwave Technol., vol. 35, pp. 5403-5406 (2017).

[A8] R. Maram, L. Romero Cortés, J. Azaña, “Programmable Fiber-Optics Pulse Repetition-Rate Multiplier,” IEEE/OSA J. Lightwave Technol., vol. 34, pp. 5403-5406 (2016).

[A7] M. Li, J. Azaña, N. Zhu, J. Yao, “Recent progresses on optical arbitrary waveform generation,” Frontiers of Optoelectronics, vol. 7, pp. 359-375 (2014).

[A6] M. Burla, L. R. Cortes, M. Li, X. Wang, L. Chrostowski, J. Azaña, “Integrated waveguide Bragg gratings for microwave photonic signal processing,” Opt. Express, vol. 21, pp. 25120-25147 (2013).

[A5] J. Azaña, L.K. Oxenløwe, E. Palushani, R. Slavík, M. Galili, H.C.H. Mulvad, H. Hu, Y. Park, A.T. Clausen, P. Jeppesen, “In-fiber sub-picosecond pulse shaping for nonlinear optical telecommunication data processing at 640Gb/s,” Hindaway – International Journal of Optics , special issue on ‘Non-linear Fibre-based Photonic Technologies’, vol. 2012, p. 895281 (2012).

[A4] T.-J. Ahn, Y. Park, J. Azaña, “Ultra-rapid optical frequency-domain reflectometry based upon dispersion-induced time stretching: Principle and application,” IEEE J. Sel. Top. Quantum Electron., vol. 18, pp. 148-165 (2012).

[A3] J. Azaña, Y. Park, F. Li, “Linear Self-Referenced Complex-Field Characterization of Fast Optical Signals Using Photonic Differentiation,” Opt. Comm., vol. 284, pp. 3772-3784 (2011).

[A2] J. Azaña, “Ultrafast analog all-optical signal processors based on fiber-grating devices,” IEEE Photonics Journal, vol. 2, pp. 359-386 (2010).

[A1] J. Azaña, “Time-frequency (Wigner) analysis of linear and nonlinear pulse propagation in optical fibers”, EURASIP J. Appl. Signal Proc. 2005, Issue 10, pp. 1554-1565 (2005).

 

Contributed Articles
[B225] H. Yu, S. Sciara, M. Chemnitz, M. Monika, F. Nosrati, A. George, N. Montaut, B. Fischer, B. Crockett, R. Helsten, B. Wetzel, T. A. Goebel, R. G. Krämer, B. E. Little, S. T. Chu, S. Nolte, Z. Wang, J. Azaña, W. Munro, D. Moss, U. Peschel, R. Lofranco, R. Morandotti, “Quantum key distribution implemented with d-level time-bin entangled photons,” Nat. Commun., vol. 16, p. 171 (2024).

[B224] C. Rowe, B. Crockett, X. Zhu, J. Azaña, “Versatile photonics spectrograms for ultrafast real-time broadband microwave signal analysis,” IEEE Trans. Microw. Theory and Techn., pp. 1-18 (2024).

[B223] S. Kaushal, A. Aadhi, A. Roberge, R. Morandotti, R. Kashyap, and J. Azaña, “Optics-enabled highly scalable inverter for multi-valued logic,” Laser Photon. Rev., pp. 2301046 (1-8) (2024).

[B222] X. Zhu, B. Crockett, C. M.L. Rowe, H. Sun, and J. Azaña, “Agile manipulation of the timefrequency distribution of high-speed electromagnetic waves,Nat. Commun., vol. 15, pp. 8942 (1-11) (2024).

[B221] B. MacLellan, P. Roztocki, J. Belleville, L. Romero Cortés, K. Ruscitti, B. Fischer, J. Azaña, and R. Morandotti, “Inverse design of photonic systems,” Laser Photon. Rev., vol. 18, pp. 2300500 (1-9) (2024).

[B220] A. Shoeib, M. P. Fernández, C. Rowe, R. Maram, P. Ricciardi, and J. Azaña, “Fiber-optic spectrum monitoring of wavelength-division-multiplexed telecommunication signals with MHz update rates,” Opt. Lett., vol. 49, pp. 1245-1248 (2024).

[B219] S. Kaushal, A. Roberge, R. Kashyap, and J. Azaña, “Ultra-compact silicon photonics highly dispersive elements for low-latency signal processing,Opt. Express, vol. 31, pp. 3467-3478 (2023).

[B218] Manuel P. Fernandez, S. Kaushal, B. Crockett, L. Bulus, P. Costanzo, J. Azaña, “All-optical parametric-assisted oversampling and decimation for signal denoising amplification,Laser Photon. Rev., vol. 17, pp. 2200711 (1-12) (2023).

[B217] A. Macho-Ortiz, D. Pérez-López, J. Azaña, J. Capmany, “Analog programmable-photonic computation,” Laser Photon. Rev., vol. 17, pp. 2200360 (1-15) (2023).

[B216] J. Azaña, X. Zhu, C.M.L. Rowe, B. Crockett, “Optical time-mapped spectrograms (II): Fractional Talbot designs,IEEE/OSA J. Lightwave Technol., vol. 41, pp. 5284-5295 (2023).

[B215] B. Crockett, C. M. L. Rowe, J. Azaña, “Capturing ultra-broadband complex-fields of arbitrary duration using a real-time spectrogram,” Appl. Phys. Lett. Photon., vol. 8, pp. 066108 (1-18) (2023).
[Featured Article; included in the Future Luminary Collection 2023]

[B214] J. Azaña, X. Zhu, “Optical time-mapped spectrograms (I): From the time-lens Fourier transformer to the Talbot-based design,” IEEE/OSA J. Lightwave Technol., vol. 41, pp. 4609-4623 (2023).

[B213] X. Meng, G. Zhang, N. Shi, G. Li, J. Azaña, J. Capmany, J. Yao, Y. Shen, W. Li, N. Zhu, M. Li, “Compact optical convolution processing unit based on multimode interference,” Nat. Commun., vol. 14, pp. 3000 (1-9) (2023).

[B212] Manuel P. Fernandez, S. Kaushal, B. Crockett, L. Bulus, P. Costanzo, J. Azaña, “An ultra-fast temporal Talbot array illuminator,” IEEE/OSA J. Lightwave Technol., vol. 41, pp. 4725-4733 (2023).

[B211] S. Kaushal, A. Aadhi, A. Roberge, R. Morandotti, R. Kashyap, J. Azaña, “All-fibre phase filters with 1-GHz resolution for high-speed passive optical logic processing,Nat. Commun., vol. 14, pp. 1808 (1-10) (2023).

[B210] B. Crockett, L. Romero Cortés, R. Maram, J. Azaña, “Optical signal denoising through temporal passive amplification,” Optica, vol. 9, pp. 130-138 (2022).

[B209] D. Onori, A. Samani, B. Crockett, D. V. Plant, J. Azaña, “Broadly tunable and ultra-highly selective detection of radio frequency signals enabled by a silicon photonic chip,” Opt. Express, vol. 30, pp. 22040-22050 (2022).

[B208] B. Crockett, J. van Howe, N. Montaut, R. Morandotti, J. Azaña, “High-resolution time-correlated single-photon counting using electro-optic sampling,Laser Photon. Rev., vol. 16, pp. 2100635 (1-10) (2022).

[B207] J. Dong, A. Tomasino, G. Balistreri, P. You, A. Vorobiov, E. Charette, B. Le Drogoff, M. Chaker, A. Yurtsever, S. Stivala, M.A. Vincenti, C. De Angelis, D. Kip, J. Azaña, R. Morandotti, “Versatile metalwire waveguides for broadband Terahertz signal processing and multiplexing,Nat. Commun., vol. 13, pp. 741(1-8) (2022).

[B206] S. Kaushal, J. Azaña, “Design of ultra-compact on-chip discrete phase filters for broadband dispersion management,IEEE/OSA J. Lightwave Technol., vol. 39, pp. 6908-6921 (2021).

[B205] X. Zhu, L. Romero Cortés, J. Azaña, “Group-velocity dispersion emulator using a time lens,” Opt. Lett., vol. 46, pp. 5974-5977 (2021).

[B204] B. Fischer, M. Chemnitz, B. MacLellan, P. Roztocki, R. Helsten, B. Wetzel, B. E. Little, S. T. Chu, D. J. Moss, J. Azaña, R. Morandotti, “Autonomous on-chip interferometry for reconfigurable optical waveform generation,” Optica, vol. 8, pp. 1268-1276 (2021).

[B203] G. Balistreri, A. Tomasino, J. Dong, A. Yurtsever, S. Stivala, J. Azaña, R. Morandotti, “Time-domain integration of broadband Terahertz pulses in a tapered two-wire waveguide,” Laser Photon. Rev., vol. 15, pp. 2100051 (2021).

[B202] Z. Lin, S. Sun, J. Azaña, W. Li, M. Li, “High-speed serial deep learning through temporal optical neurons,” Opt. Express, vol. 29, pp. 19392-19402 (2021).

[B201] B. Crockett, L. Romero Cortés, S. Reddy Konatham, J. Azaña., “Full recovery of ultrafast waveforms lost under noise,” Nat. Commun., vol. 12, pp. 2402 (1-9) (2021).

[B200] L. Romero Cortés, R. Maram, J. Azaña, “Fully-reversible spectral compression of arbitrary pulsed data signals,” OSA Photon. Res., vol. 8, pp. 659-670 (2020).

[B199] R. Maram, J. Van Howe, D. Kong, F. Da Ros, P. Guan, M. Galili, R. Morandotti, L. K. Oxenløwe, J. Azaña, “Frequency-domain ultrafast passive logic: NOT and XNOR gates,” Nat. Commun., vol. 11, p. 5839 (2020).

[B198] M. P. Fernández, L. Romero Cortés, S. Reddy Konatham, B. Crockett, L. Bulus Rossini, P. Costanzo Caso, J. Azaña, “Nonlinear time-lens with improved power efficiency through a discrete multilevel pump,” Opt. Lett., vol. 45, pp. 3557-3560 (2020).

[B197]  S. Reddy Konatham, R. Maram, L. Romero Cortés, J. H. Chang, L. Rusch, S. LaRochelle, H. Guillet de Chatellus, J. Azaña, “Real-time gap-free dynamic waveform spectral analysis with nanosecond resolutions through analog signal processing,” Nat. Commun., vol. 11, pp. 3309 (1-12) (2020).

[B196] S. Kaushal, J. Azaña, “On-chip dispersive phase filters for optical processing of periodic signals,” Opt. Lett., vol. 45, pp. 4603-4606 (2020).

[B195] C. Schnébelin, L. Romero Cortés, J. Azaña, H. Guillet de Chatellus, “Real-time measurement of complex fast signals by bandwidth compression in frequency shifting loops,” Opt. Lett., vol. 45, pp. 1387-1390 (2020).

[B194] L. Romero Cortés, H. Guillet de Chatellus, A. Deville, M. Seghilani; I. Hamam, J. Azaña, “Generalized Talbot self-healing and noise mitigation of faulty periodic images,J. Opt. Soc. Am. A., vol. 37, pp. 384-390 (2020).

[B193] Ph. Lassonde, H. Ibrahim, A. Leblanc, J. Azaña, B. E. Schmidt, F. Légaré, “Information transfer via temporal convolution in nonlinear optics,Sci. Rep., vol. 10, pp. 14969 (1-8) (2020).

[B192] X.-Z. Li, M. Seghilani, R. Maram, L. Romero Cortés, J. Azaña, “Ultra-dense CEO-stabilized broadband optical frequency comb generation through simple, programmable and lossless 1,000-fold frequency-spacing division,” IEEE Photon. J., vol. 11, pp. 3200312 (2019).

[B191] C. Schnébelin, J. Azaña, H. Guillet de Chatellus, “Programmable broadband optical field spectral shaping with MHz resolution using a simple frequency shifting loop,” Nat. Commun., vol. 10, p. 4654 (2019).

[B190] X.-Z. Li, J. Azaña, “On mode-spacing division of a frequency comb by temporal phase modulation,” IEEE J. Sel. Top. Quantum Electron., vol. 25, pp. 1100310 (1-10) (2019).

[B189] X. Wang, Z.L. Deck-Léger, L. Zou, J. Azaña, C. Caloz, “Microwave Hilbert transformer and its applications in real-time analog processing,” IEEE Trans. Microw. Theory and Techn., vol. 67, pp. 2216-2226 (2019).

[B188] R. Maram, D. Onori, J. Azaña, L.R. Chen, “Discretely programmable microwave photonic filter based on temporal Talbot effects,” Opt. Express, vol. 27, pp. 14381-14391 (2019).

[B187] H. Guerboukha, K. Nallappan, Y. Cao, M. Seghilani, J. Azaña, M. Skorobogatiy, “Planar porous components for low?loss Terahertz optics,” Adv. Opt. Mater., vol. 7, pp. 1900236 (1-12) (2019).

[B186] C. Reimer, S. Sciara, P. Roztocki, M. Islam, L. Romero Cortés, Y. Zhang, B. Fischer, S. Loranger, R. Kashyap, A. Cino, S. T. Chu, B. E. Little, D. J. Moss, L. Caspani, W. Munro, J. Azaña, M. Kues, R. Morandotti, “High-dimensional one-way quantum processing implemented on d-level cluster states,Nat. Physics, vol. 15, pp. 148-153 (2019).

[B185] B. MacLellan, P. Roztocki, M. Kues, C. Reimer, L. Romero Cortés, Y. Zhang, S. Sciara, B. Wetzel, A. Cino, S. T. Chu, B. E. Little, D. J. Moss, L. Caspani, J. Azaña, and R. Morandotti, “Generation and coherent control of pulsed quantum frequency combs,” J. Vis. Exp., vol. 8, pp. 57517 (2018).

[B184] H. Guillet de Chatellus, L. Romero Cortés, J. Azaña, “Arbitrary energy-preserving control of the line spacing of an optical frequency comb over six orders of magnitude through self-imaging,” Opt. Express, vol. 26, pp. 21069-21085 (2018).

[B183] L. Romero Cortés, M. Seghilani, R. Maram, J. Azaña, “Full-field broadband invisibility through reversible wave frequency-spectrum control,” Optica, vol. 5, pp. 779-786 (2018).
[Featured by the OSA in “Optics in 2018” (OPN 29, Dec. 2018) as one of the most relevant scientific achievements within Optics during 2018; Top downloaded article from Optica in July 2018]

[B182] H. Guillet de Chatellus, L. Romero Cortés, C. Schnébelin, M. Burla, J. Azaña, “Reconfigurable photonic generation of broadband chirped waveforms using a single CW laser and low-frequency electronics,” Nat. Commun., vol. 9, p. 2438 (2018).

[B181] L. Romero Cortés, R. Maram, H. Guillet de Chatellus, J. Azaña, “Subnoise detection and passive amplification of frequency combs through customized coherent spectral energy redistribution,” Phys. Rev. Applied, vol. 9, p. 064017 (2018).

[B180] D. Onori, P. Ghelfi, J. Azaña, A. Bogoni “A 0-40 GHz RF tunable receiver based on photonic direct conversion and digital feed-forward lasers noise cancellation,” IEEE/OSA J. Lightwave Technol., vol. 36, pp. 4423-4429 (2018).

[B179] R. Maram, M. Seghilani, J. Jeon, X. Z. Li, J. Van Howe, L. Romero Cortés, J. Azaña, “Demonstration of input-to-output gain and temporal noise mitigation in a Talbot amplifier,” IEEE Photon. Technol. Lett., vol. 30, pp. 665-668 (2018).

[B178] M. Seghilani, J. Azaña, “All-fiber OAM generation/conversion using helically patterned photonic crystal fiber,” IEEE Photon. Technol. Lett., vol. 30, pp. 347-350 (2018).

[B177] J. Jeon, R. Maram, J. Van Howe, J. Azaña, “Programmable passive Talbot optical waveform amplifier,” Opt. Express, vol. 26, pp. 6872-6879 (2018).

[B176] J. Hu, J. Azaña, “In-fiber high-speed recognition of incoherent-light broadband energy spectrum patterns,” Opt. Lett., vol. 43, pp. 300-303 (2018).

[B175] X. Yan, X. Zou, W. Pan, L. Yan, J. Azaña, “Fully digital programmable optical frequency comb generation and application,” Opt. Lett., vol. 43, pp. 283-286 (2018).
[Top downloaded article from Opt. Lett. in Jan. 2018]

[B174] R. Maram, J. Azaña, “Bit-rate-transparent optical return-to-zero-to-nonreturn-to-zero format conversion based on linear spectral phase filtering of the RZ signal,” Opt. Lett., vol. 42, no. 24, pp. 5058-5061 (2017).

[B173] M. Kues, C. Reimer, P. Roztocki, L. Romero Cortés, S. Sciara, B. Wetzel, Y. Zhang, A. Cino, S. T. Chu, B. E. Little, D. J. Moss, L. Caspani, J. Azaña, R. Morandotti, “ On-chip generation of high-dimensional entangled quantum states and their coherent control,” Nature, vol. 546, pp. 622-626 (2017).
[Featured by the OSA in “Optics in 2017” (OPN 28, 37, Dec. 2017) as one of the most relevant scientific achievements within Optics during 2017]

[B172] C. R. Fernández-Pousa, R. Maram, J. Azaña “ CW-to-pulse conversion using temporal Talbot array illuminators,” Opt. Lett., vol. 42, pp. 2427-2430 (2017).

[B171] H. Guillet de Chatellus, L. Romero Cortés, A. Deville, M. Seghilani, J. Azaña, “ Diffraction-induced bidimensional Talbot self-imaging with full independent period control ”, Phys. Rev. Lett., vol. 118, pp. 133903-(1-5) (2017).

[B170] J. Pastor-Graells, L. Romero-Cortés, M. R. Fernández-Ruiz, H. F. Martins, J. Azaña, S. Martín-López, M. González-Herráez, “ SNR enhancement in high-resolution phase-sensitive OTDR systems using chirped pulse amplification concepts,” Opt. Lett., vol. 42, pp. 1728 – 1731 (2017).

[B169] J. Hu, J. Azaña, “ All-optical reconfigurable signal processing based on cross-phase-modulation time lensing,” IEEE Photon. Technol. Lett., vol. 29, pp. 826-829 (2017).

[B168] M. Seghilani, R. Maram, J. Azaña, “ Mitigating nonlinear propagation impairments of ultrashort pulses by fractional temporal self-imaging,” Opt. Lett., vol. 42, pp. 879-882 (2017).

[B167] H. P. Bazargani, M. Burla, L. Chrostowski, J. Azaña, “Photonic Hilbert transformers based on laterally apodized integrated waveguide Bragg gratings on SOI wafer,” Opt. Lett., vol. 41, in press (2016).

[B166] M. Burla, X. Wang, M. Li, L. Chrostowski, J. Azaña, “Wideband dynamic microwave frequency identification system using a low-power ultra-compact silicon photonic chip,” Nature Commun., vol. 7, p. 13004, (2016).

[B165] H. P. Bazargani, M. Burla, Z. Chen, J. Zhang, L. Chrostowski, J. Azaña, “Long-duration optical pulse shaping and complex coding in SOI using discrete space-to-time mapping,” IEEE Photon. J., vol. 8, pp. 1-7 (2016).

[B164] B. Li, J. Azaña, “Theory of incoherent-light temporal imaging systems based on a temporal pinhole,” IEEE/OSA J. Lightwave Technol., vol. 34, pp. 2758 – 2773 (2016).

[B163] M. R. Fernández-Ruiz, J. Huh, J. Azaña, “Time-domain Vander-Lugt filters for in-fiber complex (amplitude and phase) optical pulse shaping,” Opt. Lett., vol. 41, pp. 2121-2124 (2016).

[B162] S. Sun, M. Li, J. Tang, N. H. Zhu, T.-J. Ahn, J. Azaña, “Femtosecond pulse shaping using wavelength selective directional couplers: proposal and simulation,” Opt. Express, vol. 24, pp. 7943-7950 (2016).

[B161] J. Huh, J. Azaña, “In-fiber reconfigurable generation of arbitrary (asymmetric) picosecond temporal intensity waveforms by time-domain optical pulse shaping,” Opt. Lett., vol. 41, pp. 693-696 (2016).

[B160] M. Li, Y. Deng, J. Tang, S. Sun, J. Yao, J. Azaña, N. H. Zhu, “Reconfigurable optical signal processing based on a distributed feedback semiconductor optical amplifier,” Scientific Reports, vol. 6, p. 19985 (2016).

[B159] L. Romero Cortés, H. Guillet de Chatellus, J. Azaña, “On the generality of the Talbot condition for inducing self-imaging effects on periodic objects,” Opt. Lett., vol. 41, pp. 340-343 (2016).

[B158] H. Guillet de Chatellus, L. Romero Cortés, J. Azaña, “Optical real-time Fourier transformation with kilohertz resolutions”, Optica, vol. 3, pp. 1-8 (2016).

[B157] R. Maram, D. Kong, M. Galili, L. K. Oxenløwe, J. Azaña, “640 Gbit/s return-to-zero to non-return-to-zero format conversion based on optical linear spectral phase filtering,” Opt. Lett., vol. 41, pp. 64-67 (2016).

[B156] B. Li, J. Azaña, “Temporal imaging of incoherent-light intensity waveforms based on a gated time-lens system,” IEEE Photon. J., vol. 7, pp. 6901508(1-9) (2015).

[B155] A. Malacarne, Y. Park, M. Li, S. LaRochelle, J. Azaña, “Real-time Fourier transformation of lightwave spectra and application in optical reflectometry,” Opt. Express, vol. 23, pp. 32516-32527 (2015).

[B154] H. P. Bazargani, M. Burla, J. Azaña, “Experimental demonstration of sub-picosecond optical pulse shaping in silicon based on discrete space-to-time mapping,” Opt. Lett, vol. 40, pp. 5423-5426 (2015).

[B153] L. Lei, J. Huh, L. Romero Cortés, R. Maram, B. Wetzel, D. Duchesne, R. Morandotti, J. Azaña,Observation of spectral self-imaging by nonlinear parabolic cross-phase modulation,” Opt. Lett., vol. 40, pp. 5403-5406 (2015)

[B152] J. Huh, J. Azaña, “Generation of high-quality parabolic pulses with optimized duration and energy by use of dispersive frequency-to-time mapping,” Opt. Express, vol. 23, pp. 27751-27762 (2015).

[B151] L. Romero Cortés, R. Maram, and J. Azaña,“Fractional averaging of repetitive waveforms induced by self-imaging effects,” Phys. Rev. A – Rapid communication, vol. 92, p. 041804(R) (2015).

[B150] H. P. Bazargani, J. Azaña, “Optical pulse shaping based on discrete space-to-time mapping in cascaded co-directional couplersOpt. Express, vol. 23, pp. 23450-23461 (2015).

[B149] H. F. Martins, J. Pastor-Graells, L. Romero Cortés, D. Piote, S. Martín-Lopez, J. Azaña, M. González-Herráez, “PROUD-based method for simple real-time in-line characterization of propagation-induced distorsions in NRZ data signals,” Opt. Lett., vol. 40, pp. 4356-4359 (2015).

[B148] M. R. Fernández-Ruiz, Lei Lei, M. Rochette, J. Azaña, “All-optical wavelength conversion based on time-domain holography,” Opt. Express, vol. 23, pp. 22847-22856 (2015).

[B147] R. Ashrafi, M. Rezagholipour, L. Romero Cortés, J. Zhang, J. Yao, J. Azaña, L. R. Chen, “Time-delay to intensity mapping based on a second-order optical integrator: application to optical arbitrary waveform generation,” Opt. Express, vol. 23, pp. 16209-16223 (2015).

[B146] H. Guillet de Chatellus, E. Lacot, O. Hugon, O. Jacquin, N. Khebbache, J. Azaña, “Phases of Talbot patterns in angular self-imaging,” J. Opt. Soc. Am. A, vol. 32, pp. 1132-1139 (2015)

[B145] B. Li, S. Lou, J. Azaña, “Implementation of the photonic time-stretch concept using an incoherent pulsed light source,” Appl. Opt., vol. 54, pp. 2757-2761 (2015).

[B144] B. Li, M. R. Fernández-Ruiz, S. Lou, J. Azaña, “High-contrast linear optical pulse compression using a temporal hologram,” Opt. Express, vol. 23, pp. 6833-6845 (2015).

[B143] R. Maram, L. Romero Cortés, J. Azaña, “Sub-harmonic periodic pulse train recovery from aperiodic pulse trains through dispersion-induced temporal self-imaging,” Opt. Express, vol. 23, pp. 3602-3613 (2015).

[B142] R. Maram, J. Van Howe, M. Li, J. Azaña, “Lossless fractional pulse repetition-rate multiplication of optical pulse trains,” Opt. Lett., vol. 40, pp. 375-378 (2015).

[B141] B. Li, S. Lou, J. Azaña, “Incoherent-light temporal imaging based on a temporal pinspeck,” IEEE Photon. Technol. Lett., vol. 27, pp. 348-351 (2015).

[B140] M. R. Fernández-Ruiz, J. Azaña, “Temporal phase conjugation based on time-domain holography,” Opt. Lett., vol. 40, 127-130 (2015).

[B139] M. R. Fernández-Ruiz, L. Wang, A. Carballar, M. Burla, J. Azaña, S. LaRochelle, “THz-bandwidth photonic Hilbert transformers based on fiber Bragg gratings in transmission,” Opt. Lett., vol. 40, pp. 41-44 (2015).

[B138] Y. Deng, M. Li, N.B. Huang, J. Azaña, N. H. Zhu, “Optical length change measurement based on an incoherent single bandpass microwave photonic filter with high resolution,” Photonics Research, vol. 2, pp. B35-B39 (2014).

[B137] Y. Deng, M. Li, N.B. Huang, J. Azaña, N. H. Zhu, “Serial time-encoded amplified microscopy for ultrafast imaging based on multi-wavelength laser,” Chinese Science Bulletin, vol. 59, pp. 2693-2701 (2014).
[Cover Paper]

[B136] B. Li, S. Lou, J. Azaña, “Novel temporal zone plate designs with improved energy efficiency and noise performance,” IEEE/OSA J. Lightwave Technol., vol. 32, pp. 4803-4809 (2014).

[B135] H. P. Bazargani, J.-B. Quélène, P. Dumais, A. Malacarne, M. Clerici, R. Morandotti, C. L. Callender, J. Azaña, “On-chip, single-shot characterization of GHz-rate complex optical signals,” IEEE Photon. Technol. Lett., vol. 26, pp. 2345-2348 (2014).

[B134] M. Burla, M. Li, L. R. Cortes, X. Wang, M. R. Fernández-Ruiz, L. Chrostowski, J. Azaña, “Terahertz-bandwidth photonic fractional Hilbert transformer based on a phase-shifted waveguide Bragg grating on silicon,” Opt. Lett., vol. 39, pp. 6241-6244 (2014).

[B133] M. Burla, L. R. Cortes, M. Li, X. Wang, L. Chrostowski, J. Azaña, “On-chip programmable ultra-wideband microwave photonic phase shifter and true time delay unit,” Opt. Lett., vol. 39, pp. 6181-6184 (2014).

[B132] R. Maram, J. Van Howe, M. Li, J. Azaña, “Noiseless intensity amplification of repetitive signals by coherent addition using the temporal Talbot effect,” Nature Commun., vol. 5, p. 5163 (2014).

[B131] H. P. Bazargani, M. R. Fernández-Ruiz, J. Azaña, “Tunable, nondispersive optical filter using photonic Hilbert transformation,” Opt. Lett., vol. 39, pp. 5232-5235 (2014)

[B130] B. Li, J. Azaña, “Incoherent-light temporal stretching of high-speed intensity waveforms,” Opt. Lett., vol. 39, pp. 4243-4246 (2014).

[B129] M. R. Fernández-Ruiz, A. Carballar, J. Azaña, “Arbitrary time-limited optical pulse processors based on transmission Bragg gratings,” IEEE Photon. Technol. Lett., vol. 26, pp. 1754-1757 (2014).

[B128] J. Azaña, H. Guillet de Chatellus, “Angular Talbot effect,” Phys. Rev. Lett., vol. 112, pp. 213902-(1 – 5) (2014).

[B127] R. Maram, D. Kong, M. Galili, L. K. Oxenløwe, J. Azaña, “Ultrafast all-optical clock recovery based on phase-only linear optical filtering,” Opt. Lett., vol. 39, pp. 2815-2818 (2014).

[B126] X. Zou, M. Li, W. Ge, W. Pan, B. Luo, L. Yan, J. Azaña, “Synthesis of fiber Bragg gratings with arbitrary stationary power/field distribution,” IEEE J. Quantum Electron., vol. 50, pp. 186-197 (2014).

[B125] N. Huang, M. Li, R. Ashrafi, L. Wang, X. Wang, J. Azaña, N. Zhu, “Active Fabry-Perot cavity for photonic temporal integrator with ultra-long operation time window,” Opt. Express, vol. 22, pp. 3105-3116 (2014).

[B124] R. Maram, J. Azaña, “Spectral self-imaging of time-periodic coherent frequency combs by parabolic cross-phase modulation,” Opt. Express, vol. 21, pp. 28824-28835 (2013).

[B123] X. Zou, M. Li, W. Pan, L. Yan, J. Azaña, J. Yao, “All-fiber optical filter with an ultra-narrow and rectangular spectral response,” Opt. Lett., vol. 38, pp. 3096-3098 (2013).

[B122] B. Li, M. Li, S. Lou, J. Azaña, “Linear optical pulse compression based on temporal zone plates,” Opt. Express, vol. 21, pp. 16814-16830 (2013).

[B121] R. Ashrafi, M. Li, J. Azaña, “Coupling-strength-independent long-period grating designs for THz-bandwidth optical differentiators,” IEEE Photon. Journal, vol. 5, pp. 7100311-(1 – 12) (2013).

[B120] M. R. Fernández-Ruiz, M. Li, J. Azaña, “Time-domain holograms for generation and processing of temporal complex information,” Opt. Express, vol. 21, pp.10314-10323 (2013).

[B119] R. Ashrafi, M. Li, N. Belhadj, M. Dastmalchi, S. LaRochelle, J. Azaña, “Experimental demonstration of superluminal space-to-time mapping in long period gratings,” Opt. Lett., vol. 38, pp. 1419-1421 (2013).

[B118] R. Ashrafi, M. Li, J. Azaña, “Tsymbol/s optical coding based on long period gratings,” IEEE Photon. Technol. Lett., vol. 25, pp. 910-913 (2013).

[B117] M. R. Fernández-Ruiz, A. Carballar, J. Azaña, “Design of ultrafast all-optical signal processing devices based on fiber Bragg gratings in transmission,” IEEE/OSA J. Lightwave Technol., vol. 31, pp. 1593-1600 (2013).

[B116] M. R. Fernández-Ruiz, M. Li, M. Dastmalchi, A. Carballar, S. LaRochelle, J. Azaña, “Picosecond optical signal processing based on transmissive fiber Bragg gratings,” Opt. Lett., vol. 38, pp. 1247-1249 (2013).

[B115] Y. Hu, M. Li, D. Bongiovanni, M. Clerici, J. Yao, Z. Chen, J. Azaña, R. Morandotti, “Spectrum to distance mapping via nonlinear Airy pulses,” Opt. Lett., vol. 38, pp. 380-382 (2013).

[B114] R. Ashrafi, M. Li, S. LaRochelle, J. Azaña, “Superluminal space-to-time mapping in grating-assisted co-directional couplers,” Opt. Express, vol. 21, pp. 6249-6256 (2013).

[B113] A. Pasquazi, M. Peccianti, J. Azaña, D.J. Moss, R. Morandotti, “FLEA: Fresnel-limited extraction algorithm applied to spectral phase interferometry for direct electric-field reconstruction (SPIDER),” Opt. Express, vol. 21, pp. 5743-5758 (2013).

[B112] A. Malacarne, J. Azaña, “Frequency comb laser with discretely tunable free spectral range by multilevel phase modulation of a periodic pulse train,” Opt. Express, vol. 21, pp. 4139-4144 (2013).

[B111] M. Li, H.-S. Jeong, J. Azaña, T.-J. Ahn, “25-terahertz-bandwidth all-optical temporal differentiator,” Opt. Express, vol. 20. pp. 28273-28280 (2012).

[B110] M. H. Asghari, J. Azaña, “Self-referenced temporal phase reconstruction from intensity measurements using causality arguments in linear optical filters,” Opt. Lett., vol. 37, pp. 3582-3584 (2012).

[B109] M. Chudzik, I. Arnedo, A. Lujambio, I. Arregui, F. Teberio, J. Azaña, D. Benito, M. A. G. Laso, T. Lopetegi, “Design of transmission-type Nth-order differentiators in planar microwave technology,” IEEE Trans. Microw. Theory and Techn., vol. 60, pp. 3384-3394 (2012).

[B108] M. Li, P. Dumais, R. Ashrafi, H. P. Bazargani, J.-B. Quélène, C. Callender, J. Azaña, “Ultrashort Flat-Top Pulse Generation Using On-Chip CMOS-Compatible Mach-Zehnder Interferometers,” IEEE Photon. Technol. Lett., vol. 24, pp. 1387-1389 (2012).

[B107] R. Ashrafi, J. Azaña, “THz-bandwidth real-time photonic Hilbert transformers based on long-period gratings,” Opt. Lett., vol. 37, pp. 2604-2606 (2012).

[B106] R. Ashrafi, J. Azaña, “Figure of merit of photonic differentiators,” Opt. Express, vol. 20, pp. 2626-2639 (2012).

[B105] A. Malacarne, R. Ashrafi, M. Li, S. LaRochelle, J. Yao, J. Azaña, “Single-shot photonic time-intensity integration based on a time-spectrum convolution system,” Opt. Lett. , vol. 37, pp. 1355-1357 (2012).

[B104] A. Pasquazi, Y. Park, S.T. Chu, B.E. Little, F. Légaré, R. Morandotti, J. Azaña, D.J. Moss, “Time lens measurement of subpicosecond optical pulses in CMOS compatible high index glass waveguides,” IEEE J. Sel. Top. Quantum Electron., vol. 18, pp. 629-636 (2012).

[B103] I. Arnedo, M. Chudzik, J. D. Schwartz, I. Arregui, A. Lujambio, F. Teberio, D. Benito, M. A. G. Laso, D. V. Plant, J. Azaña, T. Lopetegi, “Analytical solution for the design of planar electromagnetic bandgap structures with spurious-free frequency response,” Microw. Opt. Technol. Lett., vol. 54, pp. 956-960 (2012).

[B102] J. D. Schwartz, Q. Zhuge, J. Azaña, D. V. Plant, “1-D Uniform and Chirped Electromagnetic Bandgap Structures in Substrate Integrated Waveguides at 60 GHz,” Microw. Opt. Technol. Lett., vol. 54, pp. 735-737 (2012).

[B101] M. Ferrera, Y. Park, L. Razzari, B. E. Little, S. T. Chu, R. Morandotti, D. J. Moss, J. Azaña, “All-optical first and second-order integration on a chip,” Opt. Express, vol. 19. pp. 23153-23161 (2011).

[B100] K. Dolgaleva, A. Malacarne, P. Tannouri, L. A. Fernandes, J. R. Grenier, J. S. Aitchison, J. Azaña, R. Morandotti, P. R. Herman, and P. V. S. Marques, “Integrated optical temporal Fourier transformer based on chirped Bragg grating waveguide,” Opt. Lett., vol. 36, pp. 4416-4418 (2011).

[B99] A. Malacarne, Y. Park, J. Azaña “Reconfigurable optical DPSK pattern recognition based on incoherent photonic processing,” Opt. Lett. vol. 36, pp. 4290-4292 (2011).

[B98] A. Pasquazi, M. Peccianti, Y. Park, B.E. Little, S.T. Chu, R. Morandotti, J. Azaña, D.J. Moss, “Sub-picosecond phase-sensitive optical pulse characterization on a chip,” Nature Photonics, vol. 5, pp. 618-623 (2011).

[B97] K. A. Rutkowska, D. Duchesne, M. J. Strain, , R. Morandotti, M. Sorel, J. Azaña “Ultrafast all-optical temporal differentiators based on CMOS-compatible integrated-waveguide Bragg gratings,” Opt. Express, vol. 19, pp. 19514-19522 (2011).

[B96] M. H. Asghari, Y. Park, J. Azaña, “Photonic temporal integration of broadband intensity waveforms over long operation time windows,” Opt. Lett., vol. 36, pp. 3557-3559 (2011).

[B95] A. Malacarne, J. Azaña, “Analysis of amplitude fluctuation and timing-jitter performance of spectrally periodic Talbot filters for optical pulse rate multiplication,” Opt. Express, vol. 19, pp. 15339-15347 (2011).

[B94] R. Ashrafi, M. H. Asghari, J. Azaña, “Ultrafast optical arbitrary-order differentiators based on apodized long-period gratings,” IEEE Photonics Journal, vol. 3, pp. 353-364 (2011).

[B93] T.-J. Ahn, J. Azaña, “Wavelength-selective directional couplers as ultrafast optical differentiators,” Opt. Express, vol. 19, pp. 7625-7632 (2011).

[B92] Y. Park, A. Malacarne, J. Azaña “Real-time ultrawide-band group delay profile monitoring through low-noise incoherent temporal interferometry,” Opt. Express, vol. 19, pp. 3937-3944 (2011).

[B91] M. H. Asghari, J. Azaña, “Photonic integrator – based optical memory unit,” IEEE Photon. Technol. Lett., vol. 23, pp. 209-211 (2011).

[B90] M. H. Asghari, Y. Park, J. Azaña, “New design for photonic temporal integration with combined high processing speed and long operation time window,” Opt. Express vol. 19, pp. 425-435 (2011).

[B89] Y. Park, M. H. Asghari, R. Helsten, and J. Azaña, “Implementation of broadband microwave arbitrary-order time differential operators using a reconfigurable incoherent photonic processor,” IEEE Photonics Journal, vol. 2, pp. 1040-1050 (2010).

[B88] R. Ashrafi, Y. Park, J. Azaña, “Fiber-based photonic generation of high-frequency microwave pulses with reconfigurable linear chirp control,” IEEE Trans. Microw. Theory and Techn. (Special joint issue on ‘Microwave Photonics’, jointly published with IEEE/OSA J. Lightwave Technol.), vol. 58, pp. 3312-3319 (2010).

[B87] Y. Park, M. Scaffardi, A. Malacarne, L. Potì, J. Azaña, “Linear, self-referenced technique for single-shot and real-time full characterization of (sub-)picosecond optical pulses based on balanced electro-optic spectral differentiation,” Opt. Lett., vol. 35, pp. 2502-2504 (2010).

[B86] M. H. Asghari, Y. Park, J. Azaña, “Complex-field measurement of ultrafast dynamic optical events based on real-time spectral interferometry,” Opt. Express, vol. 18, pp. 16526-16538 (2010).
[Featured in the review article on ‘Ultrafast Pulse Characterization’ methods by Rick Trebino in Laser Focus World, May 2011]

[B85] Y. Park, J. Azaña, “Ultrahigh dispersion of broadband microwave signals by incoherent photonic processing,” Opt. Express, vol. 18, pp. 14752-14761 (2010).

[B84] M. Ferrera, Y. Park, L. Razzari, B. E. Little, S. T. Chu, R. Morandotti, D. J. Moss, J. Azaña, “On-chip CMOS compatible all-optical integrator,” Nature Commun., vol. 1, p. 29 (2010).
[Featured in the “Encyclopaedia Britannica 2011 Book of the Year – Events of 2010” as one of the most remarkable scientific advances of the year in “Physical Sciences – Physics”]

[B83] J. D. Schwartz, R. Abhari, D. V. Plant, J. Azaña, “Design and analysis of 1-D uniform and chirped electromagnetic bandgap structures (EBGs) in substrate integrated waveguides”, IEEE Trans. Microw. Theory and Techn., vol. 58, pp. 1858-1866 (2010).

[B82] S. Thomas, A. Malacarne, F. Fresi, L. Potì, A. Bogoni, J. Azaña, “Fiber-based programmable picosecond arbitrary optical pulse shaper,” IEEE/OSA J. Lightwave Technol., vol. 28, pp. 1832-1843 (2010).

[B81] M. H. Asghari, C. Wang, J. Yao, and J. Azaña, “High-order passive photonic temporal integrators,Opt. Lett., vol. 35, pp. 1191-1193 (2010).
[Featured in the article ‘Technology Review 2010’ of Laser Focus World, December 2010]

[B80] A. Pasquazi, F. Légaré, Y. Park, J. Azaña, R. Morandotti, B. E. Little, S. T. Chu, D. J. Moss, “Efficient wavelength conversion and net parametric gain via FWM in a high index doped silica waveguide,” Opt. Express, vol. 18, pp. 7634-7641 (2010).

[B79] Y. Park, J. Azaña, “Optical signal processors based on time-spectrum convolution process,Opt. Lett., vol. 35, pp. 796-798 (2010).

[B78] Y. Park, M. Scaffardi, L. Potì, J. Azaña, “Simultaneous single-shot real-time measurement of the instantaneous frequency and phase profiles of wavelength-division-multiplexed signals,Opt. Express, vol. 18, pp. 6220-6229 (2010).

[B77] F. Li, Y. Park, J. Azaña, “Linear characterization of optical pulses with durations ranging from the picosecond to the nanosecond regime using ultrafast photonic differentiation,” IEEE/OSA J. Lightwave Technol., vol. 27, pp. 4623-4633 (2009).

[B76] M. H. Asghari, J. Azaña, “On the design of efficient and accurate arbitrary-order temporal optical integrators using fiber Bragg gratings,” IEEE/OSA J. Lightwave Technol., vol. 27, pp. 3888-3895 (2009).

[B75] R. Slavík, Y. Park, M. Kulishov, J. Azaña, “THz-bandwidth high-order temporal differentiators based on phase-shifted long-period fiber gratings,” Opt. Lett., vol. 34, pp. 3116-3118 (2009).

[B74] F. Li, Y. Park, J. Azaña, “Single-shot, real-time frequency chirp characterization of telecommunication optical signals based on balanced temporal optical differentiation,” Opt. Lett., vol. 34, pp. 2742-2744 (2009).

[B73] L.-M. Rivas, S. Boudreau, Y. Park, R. Slavík, S. LaRochelle, A. Carballar, J. Azaña, “Experimental demonstration of ultrafast all-fiber high-order temporal differentiators,” Opt. Lett., vol. 34, pp. 1792-1794 (2009).

[B72] D. Kr?ma?ík, Y. Park, R. Slavík, J. Azaña, “Nonlinear pulse compression of picosecond parabolic-like pulses synthesized with a long period fiber grating filter,” Opt. Express, vol. 17, pp. 7074-7087 (2009).

[B71] Y. Park, J. Azaña, “Ultrafast photonic intensity integrator,” Opt. Lett., vol. 34, pp. 1156-1158 (2009).  
[Featured in the ‘Newsbreaks’ section of Laser Focus World, June 2009]

[B70] R. Slavík, M. Kulishov, Y. Park, J. Azaña, “Long period fiber grating – based filter configuration enabling arbitrary linear filtering characteristics,” Opt. Lett., vol. 34, pp. 1045-1047 (2009).

[B69] R. Slavík, Y. Park, D. Kr?ma?ík, J. Azaña, “Stable all-fiber photonic temporal differentiator using a long-period fiber grating interferometer,” Opt. Comm., vol. 282, pp. 2339-2342 (2009).

[B68] S. Thomas, A. Malacarne, F. Fresi, L. Potì, A. Bogoni, J. Azaña, “Demonstration of a programmable fiber-based picosecond optical pulse shaper using time-domain binary phase-only linear filtering,” Opt.Lett., vol. 34, pp. 545-547 (2009).

[B67] Y. Park, T.-J. Ahn, J. Azaña, “Real-time complex temporal response measurements of ultrahigh-speed optical modulators,” Opt. Express, vol. 17, pp. 1734-1745 (2009).

[B66] M. H. Asghari, J. Azaña, “All-optical Hilbert transformer based on a single phase-shifted fiber Bragg grating: Design and analysis,” Opt. Lett., vol. 34, pp. 334-336 (2009).

[B65] D. Kr?ma?ík, R. Slavík, Y. Park, M. Kulishov, J. Azaña, “First-order loss-less differentiators using long period gratings made in Er-doped fibers,” Opt. Express, vol. 17, pp. 461-471 (2009).

[B64] F. Li, Y. Park, J. Azaña, “Group delay characterization of dispersive devices using a simple temporal intensity measurement setup,” IEEE Photon. Technol. Lett., vol. 20, pp. 2042-2044 (2008).

[B63] R. Slavík, Y. Park, N. Ayotte, S. Doucet, T.-J. Ahn, S. LaRochelle, J. Azaña, “Photonics temporal integrator for all-optical computing,” Opt. Express, vol. 16, pp. 18202-18214 (2008).

[B62] Y. Park, T.-J. Ahn, Y. Dai, J. Yao, J. Azaña, “All-optical temporal integration of ultrafast pulse waveforms,” Opt. Express, vol. 16, pp. 17817-17825 (2008).

[B61] L.-M. Rivas, M. Strain, D. Duchesne, A. Carballar, M. Sorel, R. Morandotti, J. Azaña, “Picosecond linear optical pulse shapers based on integrated waveguide Bragg gratings,” Opt. Lett., vol. 33, pp. 2425-2427 (2008).

[B60] M. H. Asghari, J. Azaña, “Arbitrary-order temporal integration of ultrafast optical signals using a single uniform-period fiber Bragg grating,Opt. Lett., vol. 33, pp. 1548-1550 (2008).

[B59] M. H. Asghari, J. Azaña, “Design of all-optical high-order temporal integrators based on multiple-phase-shifted Bragg gratings,” Opt. Express, vol. 16, pp. 11459-11469 (2008).

[B58] N. Belhadj, Y. Park, S. LaRochelle, K. Dossou, J. Azaña, “UV-induced modification of stress distribution in optical fibers and its contribution to Bragg grating birefringence,” Opt. Express, vol. 16, pp. 8727-8741 (2008).

[B57] M. H. Asghari, J. Azaña, “Proposal and analysis of a reconfigurable pulse shaping technique based on multi-arm optical differentiators,” Opt. Comm., vol. 281, pp. 4581-4588 (2008).

[B56] I. Arnedo, J. D. Schwartz, M. A. G. Laso, T. Lopetegui, D. V. Plant, J. Azaña, “Passive microwave planar circuits for arbitrary UWB pulse shaping,” IEEE Microwave & Wireless Component Lett., vol. 18, pp. 452-454 (2008).

[B55] Y. Park, T.-J. Ahn, F. Li, J. Azaña, “Synchronized generation of reconfigurable microwave sinusoidal wave-packets from a free-running pulsed laser,” IEEE Photon. Technol. Lett., vol. 20, pp. 1115-1117 (2008).

[B54] L. K. Oxenlowe, R. Slavík, M. Galili, H.C.M. Mulvad, A. T. Clausen, Y. Park, J. Azaña, P. Jeppesen, “640 Gbit/s timing jitter tolerant data processing using a long-period fiber grating-based flat-top pulse shaper,” IEEE J. Sel. Top. Quantum Electron., vol. 14, pp. 566-572 (2008).

[B53] K. Yiannopoulos, S. Thomas, J. Azaña, “Amplitude/timing jitter and peak-to-peak amplitude variation optimal rate multipliers,” IEEE/OSA J. Lightwave Technol., vol. 26, pp. 899-907 (2008).

[B52] R. Slavík, Y. Park, J. Azaña, “Long period fiber grating – based filter for generation of picosecond and sub-picosecond transform-limited flat-top pulses,” IEEE Photon. Technol. Lett., vol. 20, pp. 806-808 (2008).

[B51] T.-J. Ahn, Y. Park, J. Azaña, “Improved optical pulse characterization based on feedback-controlled Hilbert transformation temporal interferometry,” IEEE Photon. Technol. Lett., vol. 20, pp. 475-477 (2008).

[B50] J. Azaña, Y. Park, T.-J. Ahn, F. Li, “Simple and highly sensitive optical pulse characterization method based on electro-optic spectral signal differentiation,” Opt. Lett., vol. 33, pp. 437-439 (2008).

[B49] J. D. Schwartz, I. Arnedo, M. A. G. Laso, T. Lopetegui, J. Azaña, D. V. Plant, “An electronic UWB continuously tunable time-delay system with nanosecond delays,” IEEE Microwave & Wireless Component Lett., vol. 18, pp. 103-105 (2008).

[B48] N. K. Berger, B. Levit, B. Fischer, J. Azaña, “Picosecond flat-top pulse generation by low-bandwidth electro-optic sinusoidal phase modulation,” Opt. Lett., vol. 33, pp. 125-127 (2008).

[B47] Y. Park, T.-J. Ahn, J. Azaña, “Stabilization of a fiber-optic two-arm interferometer for ultra-short pulse signal processing applications,” Appl. Opt., vol. 47, pp. 417-421 (2008).

[B46] T.-J. Ahn, Y. Park, D. J. Moss, S. Ramachandran, J. Azaña, “Frequency-domain modal delay measurement for higher-order mode fiber based on stretched pulse interference,” Opt. Lett., vol. 33, pp. 19-21 (2008).

[B45] J. Azaña, “Proposal of a uniform fiber Bragg grating as an ultrafast all-optical integrator,” Opt. Lett., vol. 33, pp. 4-6 (2008).

[B44] R. Slavík, L. K. Oxenlowe, M. Galili, H.C.M. Mulvad, Y. Park, J. Azaña, P. Jeppesen, “Demultiplexing of 320 Gbit/s OTDM data using ultrashort flat-top pulses,” IEEE Photon. Technol. Lett., vol. 19, pp. 1855-1857 (2007).

[B43] Y. Park, T.-J. Ahn, J. Azaña, “Direct time-domain response of high-speed optical modulators based on stretched pulse interferometry,” Opt. Lett. vol. 32, pp. 3411-3413 (2007).

[B42] F. Li, Y. Park, J. Azaña, “Complete temporal pulse characterization using phase reconstruction based on optical ultrafast differentiation (PROUD),” Opt. Lett., vol. 32, pp. 3364-3366 (2007).

[B41] J. D. Schwartz, M. Guttman, J. Azaña, D. V. Plant, “Multi-channel filters using chirped bandgap structures in microstrip technologies,” IEEE Microwave & Wireless Component Lett., vol. 17, pp. 577-579 (2007).

[B40] T.-J. Ahn, Y. Park, J. Azaña, “Fast and accurate group delay ripple measurement technique for ultra-long chirped fiber Bragg gratings,” Opt. Lett., vol. 32, pp. 2674-2676 (2007).

[B39] L.-M. Rivas, K. Singh, A. Carballar, J. Azaña, “Arbitrary-order ultra-broadband all-optical differentiators based on fiber Bragg gratings”, IEEE Photon. Technol. Lett., vol. 19, pp. 1209-1211 (2007).

[B38] Y. Park, M. H. Asghari, T.-J. Ahn, J. Azaña, “Transform-limited picosecond pulse shaping based on coherence synthesization”, Opt. Express, vol. 15, pp. 9584-9599 (2007).

[B37] R. Slavík, Y. Park, J. Azaña, “Tunable dispersion-tolerant picosecond flat-top waveform generation using an optical differentiator”, Opt. Express, vol. 15, pp. 6717-6726 (2007).

[B36] M. Kulishov, J. Azaña, “High-order all-optical temporal differentiation using multiple-phase-shifted fiber Bragg gratings,” Opt. Express, vol. 15, pp. 6152-6166 (2007).

[B35] Y. Park, T.-J. Ahn, J.-C. Kieffer, J. Azaña, “Optical frequency domain reflectometry based on real-time Fourier transformation”, Opt. Express, vol. 15, pp. 4597-4616 (2007).

[B34] F. Li, J. Azaña, “Simplified system configuration for transform-limited optical real-time Fourier transformation”, Opt. Comm., vol. 274, pp. 59-65 (2007).

[B33] Y. Park, J. Azaña, R. Slavík, “Ultrafast all-optical first and higher-order differentiators based on interferometers”, Opt. Lett., vol. 32, pp. 710-712 (2007).

[B32] N. K. Berger, B. Levit, B. Fischer, M. Kulishov, D.V. Plant, J. Azaña, “Temporal differentiation of optical pulses using a phase-shifted fiber Bragg grating”, Opt. Express, vol. 15, pp. 371-381 (2007).

[B31] J. D. Schwartz, J. Azaña, D. V. Plant, “A fully-electronic system for the time magnification of ultra-wideband signals”, IEEE Trans. Microw. Theory and Techn., vol. 55, pp. 327-334 (2007).
[2009 IEEE Microwave Prize]

[B30] J. M. Laniel, M. Kulishov, N. Bélanger, J. Azaña, D. V. Plant, “Comprehensive modeling of the stationary and dynamic behavior of imaginary Bragg gratings around threshold”, Opt. Comm., vol. 269, pp. 14-23 (2007).

[B29] D. Duchesne, R. Morandotti, J. Azaña, “Temporal Talbot phenomena in high-order dispersive media”, J. Opt. Soc. Am. B, vol. 24, pp. 113-125 (2007).

[B28] Y. Park, M. Kulishov, R. Slavík, J. Azaña, “Picosecond and sub-picosecond flat-top waveform generation using uniform long-period fiber gratings”, Opt. Express , vol. 14, pp. 12670-12678 (2006).

[B27] R. Slavík, Y. Park, M. Kulishov, R. Morandotti, J. Azaña, “Ultrafast all-optical differentiators”, Opt. Express, vol. 14, pp. 10699-10707 (2006).

[B26] J. Magné, J. Azaña, S. LaRochelle, L. R. Chen, “Simple technique for eliminating the interchannel phase fluctuations in spectral Talbot-based periodic comb filters”, IEEE Photon. Technol. Lett. 18, 1958-1960 (2006).

[B25] Y. Park, F. Li, J. Azaña, “Characterization and optimization of optical pulse differentiation using spectral interferometry”, IEEE Photon. Technol. Lett., vol. 18, pp. 1798-1800 (2006).

[B24] J. Azaña, N. K. Berger, B. Levit, B. Fischer, “Broadband arbitrary waveform generation based on microwave frequency upshifting in optical fibers”, IEEE/OSA J. Lightwave Technol., vol. 24, pp. 2663-2675 (2006).

[B23] J. Azaña and S. Gupta, “Complete family of periodic Talbot filters for pulse repetition rate multiplication”, Opt. Express, vol. 14, pp. 4270-4279 (2006).

[B22] J. Magné, J. Bolger, M. Rochette, S. LaRochelle, L. R. Chen, B. J. Eggleton, J. Azaña, “4´100 GHz pulse train generation from a single wavelength 10 GHz mode-locked laser using superimposed fiber gratings and nonlinear conversion”, IEEE/OSA J. Lightwave Technol., vol. 24, pp. 2091-2099 (2006).

[B21] J. D. Schwartz, J. Azaña, D. V. Plant, “Experimental demonstration of real-time spectrum analysis using dispersive microstrip”, IEEE Microwave & Wireless Component Lett., vol. 16, pp. 215-217 (2006).

[B20] J. Azaña, M. Kulishov, “All-fiber ultrafast optical differentiator based on a p phase-shifted long-period grating”, Electron. Lett., vol. 41, pp. 1368-1370 (2005).

[B19] J. Azaña, N. K. Berger, B. Levit, V. Smulakovsky, B. Fischer, “Reconfigurable generation of high-repetition-rate optical pulse trains based on time-domain phase-only filtering”, Opt. Lett., vol. 30, pp. 3228-3230 (2005).

[B18] M. Kulishov, J. Azaña, “Long-period fiber gratings as ultrafast optical differentiators”, Opt. Lett., vol. 30, pp. 2700-2702 (2005).

[B17] J. Azaña, C. Wang, L. R. Chen, “Spectral self-imaging phenomena in sampled Bragg gratings”, J. Opt. Soc. Am. B, vol. 22, pp. 1829-1841 (2005).

[B16] J. Magné, P. Giaccari, S. LaRochelle, J. Azaña, L. R. Chen, “All-fiber comb filter with tunable free-spectral-range”, Opt. Lett., vol. 30, pp. 2062-2064 (2005).

[B15] M. Kulishov, J. Azaña, “Ultrashort pulse propagation in uniform and non-uniform waveguide long-period gratings”, J. Opt. Soc. Am. A, vol. 22, pp. 1319-1333 (2005).

[B14] L. R. Chen, J. Azaña, “Spectral Talbot phenomena in sampled arbitrarily chirped Bragg gratings”, Opt. Comm., vol. 250, pp. 302-308 (2005).

[B13] J. Azaña, M. Kulishov, “Optical pulse shaping capabilities of grating-assisted co-directional couplers”, Elsevier Microelectron. J., vol. 36, pp. 289-293 (2005).

[B12] M. Kulishov, J. Laniel, N. Belanger, J. Azaña, D. V. Plant, “Non-reciprocal waveguide Bragg gratings”, Opt. Express , vol. 13, pp. 3068-3078 (2005).

[B11] J. Azaña, J. E. Lugo, A. G. Kirk, D. V. Plant, “New insights into the problem of shadowlike projection of a plane object illuminated by a spherical wavefront”, Opt. Comm., vol. 247, pp. 257-264 ( 2005).

[B10] J. Azaña, “Spectral Talbot phenomena of frequency combs induced by cross-phase-modulation in optical fibers”, Opt. Lett., vol. 30, pp. 227-229 (2005).

[B9] J. Azaña, N. K. Berger, B. Levit, B. Fischer, “A simplified system configuration for temporal imaging of optical pulses”, IEEE Photon. Technol. Lett., vol. 17, pp. 94-96 (2005).

[B8] J. Azaña, N. K. Berger, B. Levit, V. Smulakovsky, B. Fischer, “Frequency shifting of microwave signals using a general self-imaging (Talbot) effect in optical fibers”, Opt. Lett., vol. 29, pp. 2849-2851 (2004).

[B7] C. Wang, J. Azaña, L. R. Chen “Efficient technique for increasing the channel density in multi-wavelength sampled fiber Bragg grating filters”, IEEE Photon. Technol. Lett., vol. 16, pp. 1867-1869 (2004).

[B6] M. Kulishov, J. Azaña, “Ultrashort pulse propagation in grating-assisted codirectional couplers”, Opt. Express, vol. 12, pp. 2699-2709 (2004).

[B5] C. Wang, J. Azaña, L. R. Chen “Spectral Talbot-like phenomena in one-dimensional photonic bandgap structures”, Opt. Lett., vol. 29, pp. 1590-1592 (2004).

[B4] P. Kockaert, J. Azaña, L. R. Chen, S. LaRochelle, “Full characterization of uniform ultrahigh speed trains of optical pulses using fiber Bragg gratings and linear detectors”, IEEE Photon. Technol. Lett., vol. 16, pp. 1540-1542 (2004).

[B3] J. Azaña, “Pulse repetition rate multiplication using phase-only filtering”, Electron. Lett., vol. 40, pp. 449-451 (2004).

[B2] J. Azaña, N. K. Berger, B. Levit, B. Fischer, “Spectro-temporal imaging of optical pulses with a single time lens”, IEEE Photon. Technol. Lett. , vol. 16, pp. 882-884, (2004).

[B1] J. Azaña, N. K. Berger, B. Levit, B. Fischer, “Spectral Fraunhofer regime: time-to-frequency mapping by the action of a single time lens on an optical pulse”, Appl. Opt., vol. 43, pp. 483-490, (2004).