Abstract
We experimentally demonstrate simultaneous two-channel wavelength conversion of 40-Gbit/s RZ-DPSK WDM signals using four-wave mixing (FWM) in a highly nonlinear fiber (HNLF) without additional pumps. A power penalty of <1 dB is observed as channel spacing varies from 200 GHz to 1 THz.
© 2010 Optical Society of America
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