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Optical Engineering

Tunable multiwavelength narrow linewidth Brillouin erbium fiber laser based on Rayleigh backscattering
Author(s): Xiaorui Wang; Yanfu Yang; Meng Liu; Yong Yao
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Paper Abstract

A Rayleigh backscattering (RBS) assisted Brillouin erbium fiber laser scheme with multiwavelength narrow linewidth output is proposed and investigated experimentally. The stimulated Brillouin scattering and RBS take place at two conventional single-mode fibers (SMFs), respectively. RBS is used as a mechanism to compress the linewidth of each Stokes component, and it has been realized and maximized in conventional SMF by optimizing injection power of Stokes light through adjusting variable optical attenuator (VOA). By adjusting VOA attenuation, the laser can obtain three wavelengths output with 3 dB linewidth less than 2 KHz for each wavelength, or six wavelengths output with 3 dB linewidth less than 5 KHz.

Paper Details

Date Published: 8 June 2016
PDF: 6 pages
Opt. Eng. 55(6) 066106 doi: 10.1117/1.OE.55.6.066106
Published in: Optical Engineering Volume 55, Issue 6
Show Author Affiliations
Xiaorui Wang, Harbin Institute of Technology Shenzhen Graduate School (China)
Yanfu Yang, Harbin Institute of Technology Shenzhen Graduate School (China)
Meng Liu, Nanyang Technological Univ. (Singapore)
Yong Yao, Harbin Institute of Technology Shenzhen Graduate School (China)


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