Dynamics of ultimate spectral narrowing in a semiconductor fiber-grating laser with an intra-cavity saturable absorber | Zendy

Irina A. Kostko | Zendy; Raman Kashyap | Zendy

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Dynamics of ultimate spectral narrowing in a semiconductor fiber-grating laser with an intra-cavity saturable absorber

Author(s) -

Irina A. Kostko,

Raman Kashyap

Publication year - 2006

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.14.002706

Subject(s) - saturable absorption , materials science , optics , fiber bragg grating , grating , laser , fiber laser , semiconductor laser theory , mode locking , optical cavity , optoelectronics , semiconductor , physics

The ultimate spectrum-narrowing and side-mode suppression due to the presence of a saturable absorber in an external cavity of a fiber Bragg grating semiconductor laser is numerically simulated. The proposed algorithm describes an effect of absorption bleaching in a saturable absorber using earlier measurements and shows the evolution of a dynamic grating in the laser cavity. The simulations confirm for the first time an empirical theory of spectral line narrowing in a laser with an intra-cavity saturable absorber.

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