Author:
Takasaka Shigehiro,Ohishi Norihiro,Ichihara Satoru,Thudsalingkarnsakul Nitidet,Hojo Naoya,Tatamida Yasuto,Yoshida Junji,Anantathanasarn Sanguan,Kimura Toshio
Abstract
We measure characteristics of a transmitted WDM signal in an 80 km-long SMF under bi-directionally pumped DRA with incoherent-forward and coherent-backward pumps. The signal shows OSNR of 50.0 dB and RIN less than -140 dB/Hz.