Effects of stimulated Brillouin scattering on gain saturation in discrete Raman fiber amplifiers

Ronghua Chi; Qingning Li; Xianqin Li; Kecheng Lu

doi:10.1117/12.522122

12 May 2004 Effects of stimulated Brillouin scattering on gain saturation in discrete Raman fiber amplifiers

Ronghua Chi, Qingning Li, Xianqin Li, Kecheng Lu

Proceedings Volume 5280, Materials, Active Devices, and Optical Amplifiers; (2004) https://doi.org/10.1117/12.522122
Event: Asia-Pacific Optical and Wireless Communications, 2003, Wuhan, China

Abstract

The generation of SBS in discrete Raman gain must be considered along with the problem of limited gain per unit pump power when developing a practical Raman amplifier. In this paper, we focus on discrete Raman amplifier with 15 km dispersion compensating fibers (DCFs). The gain saturation of both forward and backward pumping schemes have been considered and compared. As the pump power increased, the SBS threshold decreased and the reflected power increased dramatically. The 7th SBS stokes have been observed when the pump power is 490mW. The experimental results clearly indicate that the SBS effects produced a saturation of the Raman gain.

Citation Download Citation

Ronghua Chi, Qingning Li, Xianqin Li, and Kecheng Lu "Effects of stimulated Brillouin scattering on gain saturation in discrete Raman fiber amplifiers", Proc. SPIE 5280, Materials, Active Devices, and Optical Amplifiers, (12 May 2004); https://doi.org/10.1117/12.522122

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