All-Optical Tunable Wavelength Shifting of a 128-Gbit/s 64-QAM Signal
01 January 2012
Wavelength shifting of a 21.4-Gbaud 64-QAM signal was achieved using Bragg scattering with dither-free pumping in a longitudinally stressed highly nonlinear silica fiber. A 10-nm tuning range was demonstrated. OCIS codes: (060.4264) Networks, wavelength assignment; (190.4380) Nonlinear optics, four-wave mixing; (060.4370) Nonlinear optics, fibers