Abstract

Parametric amplification of 112-Gbit/s-33%-RZ-DQPSK signals with 20 dB on-off-gain is shown using highly nonlinear fiber in a polarization diversity configuration. The measured OSNR penalty at a BER of 10-4(10-9) is about 0.3 dB (1 dB).

© 2011 OSA

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