An all optical wavelength conversion of over 72 nm is achieved by four-wave mixing in a polarizationmaintaining highly nonlinear dispersion-shijied fiber. Simultaneous wavelength conversion and optical phase conjugation of 320 Gbls (32x10 Gbls) WDM signal between 1.55-jm band and 1.58-pm band is successfully demonstrated with a polarization-insensitive configuration.
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