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Article Dans Une Revue Optics Express Année : 2021

SOA-MZI photonic sampler with a post-distortion linearization technique

Résumé

We present a post-distortion linearization technique for a semiconductor optical amplifier Mach-Zehnder interferometer (SOA-MZI) photonic sampler. The sampling source is an active mode-locked laser producing 12.6 ps-width pulses with a repetition frequency of 10 GHz. The mathematical model for the linearization technique is presented and then evaluated for the quasi-static regime, i.e. sampling continuous-wave signals, and for the dynamic regime, i.e. sampling sinusoidal signals. A significant improvement in terms of total harmonic distortion (THD) equal to 23.4 dB is observed for a modulation index equal to 80% in the quasi-static regime, matching the highest observed THD improvement in the dynamic regime.
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hal-04198242 , version 1 (07-09-2023)

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Dimitrios Kastritsis, Thierry Rampone, Maeva Franco, Kyriakos E Zoiros, Ammar Sharaiha. SOA-MZI photonic sampler with a post-distortion linearization technique. Optics Express, 2021, 29 (15), pp.23736. ⟨10.1364/OE.427628⟩. ⟨hal-04198242⟩
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