Mode-Equalized Distributed Raman Amplification in 137-km Few-Mode Fiber
01 January 2011
We experimentally demonstrate 8 dB of mode-equalized distributed Raman gain using a backward pumping scheme. The equivalent noise figure of the amplifier is -3.5 dB, and the amplifier was successfully employed to demonstrate 6-channel mode-multiplexed MIMO transmission over 137 km of few-mode fiber. OCIS codes: 060.4510, 060.1660, 060.2280, 040.1880, 060.4230.
