We demonstrate unrepeated transmission of 20-Gbit/s QPSK signals over a 200-km-long standard single-mode fiber without any optical dispersion compensator. Digital signal processing after homodyne detection enables demodulation and dispersion compensation of the transmitted QPSK signal.
© 2006 Optical Society of America
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.1660) Fiber optics and optical communications : Coherent communications
(060.4080) Fiber optics and optical communications : Modulation
S. Tsukamoto, K. Katoh, and K. Kikuchi, " Unrepeated 20-Gbit/s QPSK Transmission over 200-km Standard Single-Mode Fiber Using Homodyne Detection and Digital Signal Processing for Dispersion Compensation," in Optical Fiber Communication Conference and Exposition and The National Fiber Optic Engineers Conference, Technical Digest (CD) (Optical Society of America, 2006), paper OWB4.
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