A multi-frequency synchronous self-oscillations in fiber lasers with optomechanical microoscillators

F. A. Egorov

Kotelnikov Institute of Radioengineering and Electronics, Fryazino Branch, Russian Academy of Sciences, Fryazino, Moscow oblast, Russia

Abstract: In erbium-ytterbium fiber lasers with mirrors based on sets of optomechanical microoscillators, modes of multi-frequency (up to five frequencies) synchronous self-oscillations are implemented. Microoscillators are made in the form of a silicon microbeams array with a quasi-equidistant spectrum of elastic vibration modes excited by laser radiation pressure. A significant dependence of self-oscillations on the spectral properties of optical resonator mirrors has been revealed, which is explained within the framework of the concepts of inhomogeneous broadening in the active fiber.

Keywords: fiber lasers, self-oscillations, optomechanical microoscillators.

Received: 28.03.2022
Revised: 29.04.2022
Accepted: 01.05.2022

DOI: 10.21883/PJTF.2022.12.52673.19203

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