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Article Dans Une Revue IEEE Photonics Technology Letters Année : 2016

Widely Continuous Tunable ps Pulse Train Generation Based on SOA Nonlinear Dynamics

Résumé

We propose a simple setup based on nonlinear dynamics in a semiconductor optical amplifier (SOA) and solitonic compression for the generation of stable and tunable repetition rate picosecond (ps) optical pulses. A quantum-well SOA is used to amplify electrical-optic-modulated rectangular optical signal, during which the nonlinear amplification process induces front-edge distortion. Due to the non-zero linewidth enhancement factor, the front-edge distortion can be isolated by the optical filtration of the chirped frequency component, which eventually becomes Gaussian-like pulse train of tens of ps FWHM pulsewidth. Following a stage of solitonic compression and a stage of pedestal suppression, we are able to obtain a train of 1-ps high-quality pulses for which the root mean square timing jitter is <;2.5 ps. The repetition rate exhibits a wide continuous tunability from 70 to 790 MHz as well a wide wavelength tunability in the C-band.
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Dates et versions

hal-04109014 , version 1 (29-05-2023)

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X. You, C. Gosset, Philippe Gallion. Widely Continuous Tunable ps Pulse Train Generation Based on SOA Nonlinear Dynamics. IEEE Photonics Technology Letters, 2016, 28 (8), pp.919-922. ⟨10.1109/LPT.2016.2517650⟩. ⟨hal-04109014⟩
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