Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/15462
Title: Optimization of a Raman/EDFA hybrid amplifier based on dual-order stimulated Raman scattering using a single-pump
Authors: Li, Z
Zhao, CL
Wen, YJ
Lu, C 
Wang, Y
Chen, J
Keywords: Dual-order stimulated Raman scattering and hybrid amplifier
Raman amplifier
Issue Date: 2006
Publisher: North-Holland
Source: Optics communications, 2006, v. 265, no. 2, p. 655-658 How to cite?
Journal: Optics communications 
Abstract: Based on dual-order stimulated Raman scattering (SRS) of a single 1395 nm Raman fiber laser in 75 km single mode fiber and its corresponding dispersion compensation module, a hybrid Raman/Erbium doped fiber amplifier (EDFA) for long wavelength band (L-band) amplification is realized by inserting a segment of EDF within the span. By comparing the performance of gain and noise in four hybrid amplifiers with different span configurations, we find that the distribution of the secondary L-band amplification obtained from the EDF along the link has a great influence on the performance of the hybrid amplifier. Both gain and noise performance of hybrid amplifier can be improved significantly by optimizing the location of the EDF. Moreover, we can extend the flat gain bandwidth from L-band to central wavelength band (C-band) plus L-band by recycling the residual first-order SRS to pump a segment of EDF with proper length.
URI: http://hdl.handle.net/10397/15462
ISSN: 0030-4018
EISSN: 1873-0310
DOI: 10.1016/j.optcom.2006.03.049
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