Search Results - "Azana, J."

Temporal self-imaging effects: theory and application for multiplying pulse repetition rates by Azana, J., Muriel, M.A.

“…A time-domain equivalent of the spatial Talbot or self-imaging phenomenon appears when a periodic temporal signal propagates through a dispersive medium under…”
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Guest Editorial Optical Signal Processing by Azana, J., Madsen, C., Takiguchi, K., Cincotti, G.

“…The twenty-seven papers in this special section are devoted to optical signal processing. Some of the topics covered include: waveform generation; coherent…”
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Real-time optical spectrum analysis based on the time-space duality in chirped fiber gratings by Azana, J., Muriel, M.A.

“…Based on time-space duality, we deduce a time-domain equivalent to the Fraunhofer (far-field) approximation in the problem of spatial diffraction. We can use…”
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Cutaneous leishmaniasis by Leishmania infantum: behind granulomatous lesions of unknown aetiology by Merino‐Espinosa, G., Corpas‐López, V., Díaz‐Sáez, V., Morillas‐Márquez, F., Tercedor‐Sánchez, J., Azaña‐Defez, J.M., López‐Hidalgo, J., Aneiros‐Fernández, J., Martín‐Sánchez, J.

“…Background Cutaneous leishmaniasis (CL) is underestimated in Spain as in other European countries due to the polymorphism of its clinical manifestations and…”
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Comparison of PCR‐based methods for the diagnosis of cutaneous leishmaniasis in two different epidemiological scenarios: Spain and Morocco by Merino‐Espinosa, G., Rodríguez‐Granger, J., Morillas‐Márquez, F., Tercedor, J., Corpas‐López, V., Chiheb, S., Alcalde‐Alonso, M., Azaña‐Defez, J.M., Riyad, M., Díaz‐Sáez, V., Martín‐Sánchez, J.

“…Background Cutaneous leishmaniasis (CL) is a disfiguring and stigmatising disease occurring in more than 70 countries across the world including Spain and…”
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Linear Characterization of Optical Pulses With Durations Ranging From the Picosecond to the Nanosecond Regime Using Ultrafast Photonic Differentiation by Fangxin Li, Yongwoo Park, Azana, J.

“…In this paper, we extend the recently introduced linear technique for temporal phase reconstruction using optical ultrafast differentiation (PROUD) to achieve…”
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Long-Duration Optical Pulse Shaping and Complex Coding on SOI by Bazargani, H. P., Burla, M., Chen, Z., Zhang, F., Chrostowski, L., Azana, J.

“…This paper evaluates novel design strategies to enhance the performance of a recently proposed waveguide-based pulse-shaping method, i.e., discrete…”
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Simplified temporal imaging systems for optical waveforms by Azana, J., Berger, N.K., Levit, B., Fischer, B.

“…We demonstrate that temporal imaging (TI) of optical pulses (distortionless compression or expansion of the optical temporal waveform) can be achieved with a…”
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A Fully Electronic System for the Time Magnification of Ultra-Wideband Signals by Schwartz, J.D., Azana, J., Plant, D.V.

“…We present the first experimental demonstration of a fully electronic system for the temporal magnification of signals in the ultra-wideband regime. The system…”
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Prioritization of therapy uncertainties in congenital ichthyosis: results from a Priority Setting Partnership by Hernández-Martín, A., Dávila-Seijo, P., de Lucas, R., Baselga, E., Redondo, P., Martín-Santiago, A., Azaña-Defez, J.M., González-Viejo, I., Jiménez-Ferreres, L., González-Enseñat, M.A., Arroyo-Manzanal, M.I., Soria, J.M., Garcia-Doval, I.

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Generation of customized ultrahigh repetition rate pulse sequences using superimposed fiber Bragg gratings by Azana, J., Slavik, R., Kockaert, P., Chen, L.R., LaRochelle, S.

“…We propose and experimentally demonstrate the use of superimposed fiber Bragg gratings (FBGs) as amplitude or phase filtering stages for generating…”
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Arbitrary-Order Ultrabroadband All-Optical Differentiators Based on Fiber Bragg Gratings by Rivas, L.M., Singh, K., Carballar, A., Azana, J.

“…We introduce a general approach for designing ultrabroadband arbitrary-order all-optical (all-fiber) time differentiators based on the use of fiber Bragg…”
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Experimental demonstration of real-time spectrum analysis using dispersive microstrip by Schwartz, J.D., Azana, J., Plant, D.V.

“…We demonstrate the use of dispersive microstrip as a mechanism for obtaining the real-time Fourier transform of a time-limited signal within a predefined…”
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On-chip CMOS-compatible all-optical integrator by Ferrera, M, Moss, D. J, Park, Y, Razzari, L, Little, B. E, Chu, S. T, Morandotti, R, Azaña, J

“…One reason for using photonic devices is their speed—much faster than electronic circuits—but there are many challenges in integrating the two technologies…”
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Characterization and optimization of optical pulse differentiation using spectral interferometry by Yongwoo Park, Fangxin Li, Azana, J.

“…A simple fiber-based spectral interferometry setup is implemented for characterizing and monitoring the amplitude and phase of ultrafast temporal waveforms…”
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An Electronic UWB Continuously Tunable Time-Delay System With Nanosecond Delays by Schwartz, J.D., Arnedo, I., Laso, M.A.G., Lopetegi, T., Azana, J., Plant, D.

“…We propose and demonstrate an electronic system achieving continuously tunable time-delays with nanosecond-scale delay excursions for ultra-wideband signals…”
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Broadband arbitrary waveform generation based on microwave frequency upshifting in optical fibers by Azana, J., Berger, N.K., Levit, B., Fischer, B.

“…An interesting method for broadband arbitrary waveform generation is based on the frequency upshifting of a narrowband microwave signal. In this technique, the…”
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640 Gb/s Timing Jitter-Tolerant Data Processing Using a Long-Period Fiber-Grating-Based Flat-Top Pulse Shaper by Oxenlowe, L.K., Slavik, R., Galili, M., Mulvad, H.C.H., Clausen, A.T., Yongwoo Park, Azana, J., Jeppesen, P.

“…We report on the use of a novel all-fiber flat-top pulse shaping technique for improving performance and timing jitter tolerance of a switch made for 640-10…”
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Spectro-temporal imaging of optical pulses with a single time lens by Azana, J., Berger, N.K., Levit, B., Fischer, B.

“…Spectro-temporal imaging (time-to-frequency conversion) constitutes a simple and direct (single-shot) technique for the high-resolution measurement of fast…”
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Full characterization of uniform ultrahigh-speed trains of optical pulses using fiber Bragg gratings and linear detectors by Kockaert, P., Azana, J., Chen, L.R., LaRochelle, S.

“…We propose and demonstrate a simple and practical method for measuring the amplitude and the phase of an ultrahigh-speed train of uniform pulses. Apart from a…”
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