Gain flattened distributed fiber Raman amplifiers

Zai-xuan Zhang; Bi-zhi Dai; Jian-feng Wang; Hong-lin Liu; Hai-feng Xu; Dan Geng; Lan-xiao Li; Chen-xia Li; S. Kim Insoo

doi:10.1007/s11801-007-7027-x

Optoelectronics Letters ›› 2007, Vol. 3 ›› Issue (5) : 339 -341. DOI: 10.1007/s11801-007-7027-x

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Gain flattened distributed fiber Raman amplifiers

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Abstract

An S band and a C band distributed fiber Raman amplifiers (DFRAs) with flattened gain and compensated dispersion have been studied and implemented with 1 427 nm and 1 455 nm mono-wavelength fiber Raman lasers as the pumped sources respectively. The gain of single-wave pumped S band and C band can reach 10 dB and 15 dB respectively. And a 50 nm gain flattened width was successfully obtained by using a chirp fiber Bragg grating (CFBG) gain flattened filter with gain ripple of ±0.6 dB. The C band DFRA has been applied to CDMA wireless communication system successfully.

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Zai-xuan Zhang, Bi-zhi Dai, Jian-feng Wang, Hong-lin Liu, Hai-feng Xu, Dan Geng, Lan-xiao Li, Chen-xia Li, S. Kim Insoo. Gain flattened distributed fiber Raman amplifiers. Optoelectronics Letters, 2007, 3(5): 339-341 DOI:10.1007/s11801-007-7027-x

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References

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