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All-Optical Tunable Wavelength Shifting of a 128-Gbit/s 64-QAM Signal

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Abstract

Wavelength shifting of a 21.4-Gbaud 64-QAM signal is achieved using Bragg scattering with dither-free pumping in a longitudinally stressed highly nonlinear silica fiber. Three wavelengths over a 10-nm tuning range centered on a 24-nm shift are demonstrated with a penalty of less than 2 dB at a BER of 10-3.

© 2012 Optical Society of America

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