We demonstrate error-free, no power penalty, all-optical XOR operation for 40 Gbit/s phase-encoded signals in a highly-nonlinear photonic chip. This scheme exploits the Kerr nonlinearity in a dispersion-engineered chalcogenide planar waveguide.
© 2011 OSA
(070.4340) Fourier optics and signal processing : Nonlinear optical signal processing
(190.4360) Nonlinear optics : Nonlinear optics, devices
(190.4380) Nonlinear optics : Nonlinear optics, four-wave mixing
T. D. Vo, J. Schröder, R. Pant, M. Pelusi, S. Madden, D. Choi, D. Bulla, B. Luther-Davies, and B. Eggleton, "Photonic chip based all-optical XOR gate for phase-encoded signals," in Optical Fiber Communication Conference/National Fiber Optic Engineers Conference 2011, OSA Technical Digest (CD) (Optical Society of America, 2011), paper OWG2.
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