We demonstrated 80 Gb/s optical differential quadrature-shift-keying odulation, by using a single chip integrated LiNbO3 modulator with two sub Mach-Zehnder interferometers, where 40 Gb/s in-phase and quadrature data were, simultaneously, fed to the modulator.
© 2006 Optical Society of America
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.4080) Fiber optics and optical communications : Modulation
(230.0230) Optical devices : Optical devices
(230.4110) Optical devices : Modulators
T. Fujita, T. Kawanishi, T. Sakamoto, K. Higuma, S. Mori, J. Ichikawa, T. Miyazaki, and M. Izutsu, "80 Gb/s Optical Quadrature Phase Shift Keying Modulation Using an Integrated LiNbO3 Modulator," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, Technical Digest (CD) (Optical Society of America, 2006), paper CFP4.
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