Study and manufacture of gain flattened S-band distributed dispersion compensation fiber Raman amplifier

Bizhi Dai; Zaixuan Zhang; Laixiao Li; Haifeng Xu; Dan Geng; Honglina Liu; Jianfeng Wang; Chenxia Li; Tiao Liu; Insoo S. Kim

doi:10.1117/12.667755

20 January 2006 Study and manufacture of gain flattened S-band distributed dispersion compensation fiber Raman amplifier

Bizhi Dai, Zaixuan Zhang, Laixiao Li, Haifeng Xu, Dan Geng, Honglina Liu, Jianfeng Wang, Chenxia Li, Tiao Liu, Insoo S. Kim

Author Affiliations +

Proceedings Volume 6027, ICO20: Optical Information Processing; 60270I (2006) https://doi.org/10.1117/12.667755
Event: ICO20:Optical Devices and Instruments, 2005, Changchun, China

Abstract

Now the communication band of fiber focuses on C-band, but with increasing demand of fiber communication capacity, the communication band will extend to the S-band and L-band and fiber Raman amplifier will play a very important role in this process. In this paper, actual fiber Raman gain spectrum using single high power fiber Raman laser as pump was tested and the proper chirped Bragg fiber grating as gain flattening filter was designed to flatten actually tested gain spectrum. Besides, FWDM (film wavelength division multiplexer) is used as the multiplexer of signals and 1427nm/1505nm CWDM (coarse wavelength division multiplexer) is used as pump-signal coupler. The gain media are 50 km G652 fiber and 5km DCF (dispersion compensation fiber). The gain is 10dB of S-band fiber dispersion compensation Raman amplifier from1487.88nm~1541.88nm (total 53nm bandwidth) with gain ripple ± 0.6dB was successfully obtained. Besides, the effect caused by different location ways of different type fibers was also discussed. 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.

Citation Download Citation

Bizhi Dai, Zaixuan Zhang, Laixiao Li, Haifeng Xu, Dan Geng, Honglina Liu, Jianfeng Wang, Chenxia Li, Tiao Liu, and Insoo S. Kim "Study and manufacture of gain flattened S-band distributed dispersion compensation fiber Raman amplifier", Proc. SPIE 6027, ICO20: Optical Information Processing, 60270I (20 January 2006); https://doi.org/10.1117/12.667755

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