Presentation Information
[TuC1-4]Optical Noise Reduction by Employing FWM in In-line Optical Amplification
○Youichi Akasaka1, Paparao Palacharla1, Rongqing Hui2, Shigehiro Takasaka3, Ryuichi Sugizaki3 (1.Fujitsu Network Communications, 2.University of Kansas, 3.Furukawa Electric Co., LTD.)
Keywords:
Optical signal processing subsystems for optical communications
We develop a novel amplification technique to reduce inline noise generation. By adding OPA (FWM) in front of an EDFA, 5dB on/off OSNR and 1dB net NF improvements are achieved with >20dB net gain.