11 February 2010 Nonlinear distortion and spurious-free dynamic range of a tunable delay line based on slow light in SOA
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Proceedings Volume 7612, Advances in Slow and Fast Light III; 76120S (2010) https://doi.org/10.1117/12.840933
Event: SPIE OPTO, 2010, San Francisco, California, United States
Abstract
We developed a predictive model describing harmonic generation and intermodulation distortions in semiconductor optical amplifiers (SOAs). This model takes into account the variations of the saturation parameters along the propagation axis inside the SOA, and uses a rigorous expression of the gain oscillations harmonics. We derived the spurious-free dynamic range (SFDR) of a slow light delay line based on coherent population oscillation (CPO) effects, in a frequency range covering radar applications (from 40 kHz up to 30 GHz), and for a large range of injected currents. The influence of the high order distortions in the input microwave spectrum is discussed, and in particular, an interpretation of the SFDR improvement of a Mach-Zehnder modulator by CPOs effects in a SOA is given.
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Perrine Berger, Perrine Berger, Jérôme Bourderionnet, Jérôme Bourderionnet, Mehdi Alouini, Mehdi Alouini, Fabien Bretenaker, Fabien Bretenaker, Daniel Dolfi, Daniel Dolfi, } "Nonlinear distortion and spurious-free dynamic range of a tunable delay line based on slow light in SOA", Proc. SPIE 7612, Advances in Slow and Fast Light III, 76120S (11 February 2010); doi: 10.1117/12.840933; https://doi.org/10.1117/12.840933
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