Lasers, Fiber Optics, and Communications

Tunable multiwavelength narrow linewidth Brillouin erbium fiber laser based on Rayleigh backscattering

[+] Author Affiliations
Xiaorui Wang, Yanfu Yang, Yong Yao

Harbin Institute of Technology, College of Electronic and Information Engineering, Shenzhen Graduate School, University Town, Nanshan District, Shenzhen 518055, China

Meng Liu

Nanyang Technological University, School of Electrical and Electronic Engineering, 50 Nanyang Avenue, Singapore City 639798, Singapore

Opt. Eng. 55(6), 066106 (Jun 08, 2016). doi:10.1117/1.OE.55.6.066106
History: Received March 27, 2016; Accepted May 23, 2016
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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.

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© 2016 Society of Photo-Optical Instrumentation Engineers

Citation

Xiaorui Wang ; Yanfu Yang ; Meng Liu and Yong Yao
"Tunable multiwavelength narrow linewidth Brillouin erbium fiber laser based on Rayleigh backscattering", Opt. Eng. 55(6), 066106 (Jun 08, 2016). ; http://dx.doi.org/10.1117/1.OE.55.6.066106


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