[MC2] Fiber Amplifiers

[MC2-2] Core Dependence of the Optical Gain of Turbo Cladding Pumped 7-core MC-EDFA

〇Hitoshi Takeshita, Keiichi Matsumoto, Shigeyuki Yanagimachi, Emmanuel Le Taillandier de Gabory (NEC Corporation, Japan)

キーワード：Fiber/Waveguide amplifiers and lasers, Fiber based devices for space division multiplexing, Transmission Subsystems

We have confirmed 1.5 dB optical gain improvement with a ±0.6 dB dependence among cores by applying the turbo cladding pumping scheme. The turbo scheme does not degrade optical gain and NF, nor their uniformity.