Polarization dynamics of ultra-narrow modes generated in random fiber lasers

Ilya D. Vatnik; Artem E. Kirik; Oleg A. Gorbunov; Dmitry V. Churkin

doi:10.1117/12.2687600

28 November 2023 Polarization dynamics of ultra-narrow modes generated in random fiber lasers

Ilya D. Vatnik, Artem E. Kirik, Oleg A. Gorbunov, Dmitry V. Churkin

Proceedings Volume 12772, Real-time Photonic Measurements, Data Management, and Processing VII; 1277203 (2023) https://doi.org/10.1117/12.2687600
Event: SPIE/COS Photonics Asia, 2023, Beijing, China

Abstract

We present study of polarization properties of the narrow modes, generated in random Raman fiber lasers near the generation threshold. For this purpose, time and polarization resolved spectral measurements based on optical heterodyning technique were implemented, that allow reconstruction of the ratio of vertical and horizontal projections of the electrical field during the mode generation process. We revealed that modes have high degree of polarization, with the slow change of its state during the mode lifetime. Moreover, it appeared that each mode has its own randomly appeared state of polarization, even when the several modes are generated simultaneously.

(2023) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Ilya D. Vatnik, Artem E. Kirik, Oleg A. Gorbunov, and Dmitry V. Churkin "Polarization dynamics of ultra-narrow modes generated in random fiber lasers", Proc. SPIE 12772, Real-time Photonic Measurements, Data Management, and Processing VII, 1277203 (28 November 2023); https://doi.org/10.1117/12.2687600

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