Manufacture and test of C-band and S-band gain flatness dispersion compensation fiber Raman amplifier

Bizhi Dai; Zaixuan Zhang; Chenxia Li; Yu Huang; Hongling Liu; Laixiao Li; Dan Geng; Tao Liu; Insoo S. Kim

doi:10.1117/12.636099

5 December 2005 Manufacture and test of C-band and S-band gain flatness dispersion compensation fiber Raman amplifier

Bizhi Dai, Zaixuan Zhang, Chenxia Li, Yu Huang, Hongling Liu, Laixiao Li, Dan Geng, Tao Liu, Insoo S. Kim

Proceedings Volume 6019, Passive Components and Fiber-based Devices II; 601920 (2005) https://doi.org/10.1117/12.636099
Event: Asia-Pacific Optical Communications, 2005, Shanghai, China

Abstract

C-band and S-band fiber Raman gain spectrum pumped by single wavelength high power fiber Raman laser were tested and the proper chirped Bragg fiber grating as gain flattening filter was designed to flatten actually tested gain spectrum. Besides, FWDM (filter wavelength division multiplexer) and 1427nm/1505nm CWDM (coarse wavelength division multiplexer) are used as C-band and S-band fiber Raman amplifier pump-signal couplers respectively. The gain media are 50 km G652 fiber and 5km DCF (dispersion compensation fiber). C-band fiber dispersion compensation Raman amplifier with bandwidth from 1519nm to 1574nm (55nm) and average gain 15.2dB and ripple ±0.8dB was successfully obtained. S-band fiber dispersion compensation Raman amplifier with bandwidth from 1488nm to 1541nm (53nm) and average gain 10.1dB and ripple ±0.9dB was successfully obtained. During the test of C-band fiber Raman amplifiers, broadband ASE light source and WDM-emulator were used to simulate the DWDM (dense wavelength division multiplexing) signal source that can make the whole test more accurate. It is very significant for extending range of communication band of fiber and increasing the capacity of fiber communication especially for ultra-long haul and ultra-high capacity communication system. At last, the result of experiment using these setup and influence caused by gain flattening filter and different type fibers location arrangements (G652 fiber and DCF) and corresponding solutions were also discussed.

Citation Download Citation

Bizhi Dai, Zaixuan Zhang, Chenxia Li, Yu Huang, Hongling Liu, Laixiao Li, Dan Geng, Tao Liu, and Insoo S. Kim "Manufacture and test of C-band and S-band gain flatness dispersion compensation fiber Raman amplifier", Proc. SPIE 6019, Passive Components and Fiber-based Devices II, 601920 (5 December 2005); https://doi.org/10.1117/12.636099

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