Multiwatts narrow linewidth fiber Raman amplifiers | Zendy

Yan Feng | Zendy; Luke Taylor | Zendy; Domenico Bonaccini Calia | Zendy

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Multiwatts narrow linewidth fiber Raman amplifiers

Author(s) -

Yan Feng,

Luke Taylor,

Domenico Bonaccini Calia

Publication year - 2008

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.16.010927

Subject(s) - laser linewidth , materials science , optics , brillouin scattering , fiber laser , raman spectroscopy , raman scattering , brillouin zone , laser , double clad fiber , optoelectronics , optical fiber , raman laser , polarization maintaining optical fiber , fiber optic sensor , physics

Up to 4.8 W, approximately 10 MHz, 1178 nm laser is obtained by Raman amplification of a distributed feedback diode laser in standard single mode fibers pumped by an 1120 nm Yb fiber laser. More than 10% efficiency and 27 dB amplification is achieved, limited by onset of stimulated Brillouin scattering. The ratio of Raman to Brillouin gain coefficient of a fiber is identified as a figure of merit for building a narrow linewidth fiber Raman amplifier.

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