Multiwatts narrow linewidth fiber Raman amplifiers

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 scatter...

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Bibliographic Details
Published inOptics express Vol. 16; no. 15; pp. 10927 - 10932
Main Authors Feng, Yan, Taylor, Luke, Bonaccini Calia, Domenico
Format Journal Article
LanguageEnglish
Published United States 21.07.2008
Subjects
Amplifiers, Electronic
Computer-Aided Design
Equipment Design
Equipment Failure Analysis
Fiber Optic Technology - instrumentation
Lasers, Semiconductor
Spectrum Analysis, Raman - instrumentation
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Summary: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.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
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ISSN:1094-4087
1094-4087
DOI:10.1364/OE.16.010927