Saturable absorber based on the CS2-filled dual-core fiber coupler | Zendy

Chuncan Wang | Zendy; Jing Li | Zendy

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Saturable absorber based on the CS₂-filled dual-core fiber coupler

Author(s) -

Chuncan Wang,

Jing Li

Publication year - 2018

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.26.022144

Subject(s) - optics , materials science , fiber laser , saturable absorption , raman scattering , wavelength , saturation (graph theory) , photonic crystal fiber , core (optical fiber) , optoelectronics , raman spectroscopy , physics , mathematics , combinatorics

It is demonstrated by numerical simulations that the CS 2 -filled dual-core fiber coupler with appropriate parameters can provide single-mode operation, normal dispersions, low loss and high nonlinearities in 1550-nm and 2000-nm wavelength windows, which can contribute to a saturable absorber (SA) with short fiber length and low power needed for nonlinearity-induced saturation. The effects of stimulated Raman scattering (SRS) play a key role in the process of nonlinearity-induced saturation. The numerical results indicate that the SAs can be employed in the mode-locking fiber lasers with self-similar (SS) or dissipative soliton (DS) operations.

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