Open AccessOptical-fiber ring cavity with saturable rare-earth-doped fiber
Author(s) -
E. Martínez-Aguilar,
S. Srepanov,
Eduardo Hernández
Publication year - 2021
Publication title -
suplemento de la revista mexicana de física
Language(s) - English
Resource type - Journals
ISSN - 2683-2585
DOI - 10.31349/suplrevmexfis.2.1.11
Subject(s) - materials science , saturable absorption , optics , optical bistability , graded index fiber , fiber laser , photonic crystal fiber , saturation (graph theory) , refractive index , polarization maintaining optical fiber , optoelectronics , ytterbium , optical fiber , dispersion shifted fiber , doping , laser , wavelength , fiber , fiber optic sensor , nonlinear optics , composite material , physics , mathematics , combinatorics
Resonance properties of the all-fiber ring cavity filled with nonlinear material - saturable rare-earth-doped fiber are analyzed and experimentally investigated. Unlike the earlier investigated erbium-doped fiber at 1550nm where the optical absorption photo-induced change (saturation) is observed only, the ytterbium-doped fiber at 1064nm demonstrates the saturation of the refractive index mainly. For this configuration we report experimental observation of the optical bistability and hysteresis in the transmitted output light at the 10mW-scale incident light power. The experimental results are in qualitative agreement with the theoretical analysis that takes into account the saturation of both parameters: the optical absorption and the refractive index of the doped fiber. The reported results seem promising for applications in high-sensitivity interferometric configurations at 1064nm operation wavelength.
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