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Title: Effect of a nonlinear photonic crystal fiber on the noise characterization of a distributed Raman amplifier
Authors: Zhao, CL
Li, Z
Yang, X
Lu, C 
Jin, W 
Demokan, S
Keywords: Amplified spontaneous emission (ASE)
Double Rayleigh scattering (DRS)
Photonic crystal fiber (PCF)
Ramin amplifier
Issue Date: Mar-2005
Publisher: Institute of Electrical and Electronics Engineers
Source: IEEE photonics technology letters, Mar. 2005, v. 17, no. 3, p. 561-563 How to cite?
Journal: IEEE photonics technology letters 
Abstract: The first experimental study of the effect of a nonlinear photonic crystal fiber (PCF) on the noise characteristics of a distributed backward-pumped Raman amplifier is reported. The PCF has a highly nonlinear Raman efficient, and a high Rayleigh scattering parameter. When an optical signal first passes through a 100-m nonlinear PCF followed by a 25-km single-mode fiber, the optical signal-to-noise ratios (OSNRs) of the amplified spontaneous emission and the double Rayleigh scattering (DRS) are improved because the high Raman gain efficiency of the PCF makes the Raman gain of the signal at the beginning of the link increase, and the signal power over the length of the transmission becomes near a constant. However, the improvement of the OSNR of DRS compared with the OSNR of amplifier spontaneous emission is limited by the large Rayleigh scattering in the PCF.
ISSN: 1041-1135
EISSN: 1941-0174
DOI: 10.1109/LPT.2004.841023
Rights: © 2005 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
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