Generation of modulation instability-induced high-repetition-rate pulse train with high-phase modulation depth

Aleksei Abramov; Igor Zolotovskii; Vladimir Kamynin; Andrei Domanov; Aleksandr Alekseev; Dmitriy Korobko; Marina Yavtushenko; Andrei Fotiadi

doi:10.1117/12.2622312

25 May 2022 Generation of modulation instability-induced high-repetition-rate pulse train with high-phase modulation depth

Aleksei Abramov, Igor Zolotovskii, Vladimir Kamynin, Andrei Domanov, Aleksandr Alekseev, Dmitriy Korobko, Marina Yavtushenko, Andrei Fotiadi

Author Affiliations +

Proceedings Volume 12142, Fiber Lasers and Glass Photonics: Materials through Applications III; 1214211 (2022) https://doi.org/10.1117/12.2622312
Event: SPIE Photonics Europe, 2022, Strasbourg, France

Abstract

In this work we investigated the possibility of generating subpicosecond pulses as a result of a modulation instability of continuous wave signals with a large modulation depth. In our case a large modulation depth of a continuous wave is achieved by using a cylindrical waveguides with a running refractive index wave (RRIW). Here, the entire cascade fiber system is a cylindrical waveguides RRIW connected in series with a section of passive fiber with anomalous dispersion. To achieve high peak power values in the generated pulse train, it is necessary to add a section of active fiber with normal dispersion to the stage. It is shown that, as a result of the regime of a induce modulation instability, pulses with a peak power that are orders of magnitude higher than the power of the incoming pump wave can be formed.

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Aleksei Abramov, Igor Zolotovskii, Vladimir Kamynin, Andrei Domanov, Aleksandr Alekseev, Dmitriy Korobko, Marina Yavtushenko, and Andrei Fotiadi "Generation of modulation instability-induced high-repetition-rate pulse train with high-phase modulation depth", Proc. SPIE 12142, Fiber Lasers and Glass Photonics: Materials through Applications III, 1214211 (25 May 2022); https://doi.org/10.1117/12.2622312

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