[TuC1] Optical Amplifiers

10:15 AM - 10:30 AM JST(1:15 AM - 1:30 AM UTC)

[TuC1-4] Optical Noise Reduction by Employing FWM in In-line Optical Amplification

○Youichi Akasaka¹, Paparao Palacharla¹, Rongqing Hui², Shigehiro Takasaka³, Ryuichi Sugizaki³ (¹Fujitsu Network Communications, ²Univ. of Kansas, ³Furukawa 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.