Nonlinear distortion and spurious-free dynamic range of a tunable delay line based on slow light in SOA - Archive ouverte HAL
Communication Dans Un Congrès Année : 2010

Nonlinear distortion and spurious-free dynamic range of a tunable delay line based on slow light in SOA

Résumé

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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Dates et versions

hal-00661590 , version 1 (20-01-2012)

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Perrine Berger, Jérôme Bourderionnet, Mehdi Alouini, Fabien Bretenaker, Daniel Dolfi. Nonlinear distortion and spurious-free dynamic range of a tunable delay line based on slow light in SOA. Advances in Slow and Fast Light III, Jan 2010, San Francisco, United States. pp.76120S, ⟨10.1117/12.840933⟩. ⟨hal-00661590⟩
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