Unrepeated transmission of 20-Gb/s optical quadrature phase-shift-keying signal over 200-km standard single-mode fiber based on digital processing of homodyne-detected signal for Group-velocity dispersion compensation

We demonstrate unrepeated optical transmission of 20-Gb/s quadrature phase-shift-keying (QPSK) signals over a 200-km-long standard single-mode fiber (SMF) without using any optical dispersion compensator. By employing optical homodyne detection, which can restore the entire information of the comple...

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Veröffentlicht in:	IEEE photonics technology letters 2006-05, Vol.18 (9), p.1016-1018
Hauptverfasser:	Tsukamoto, S., Katoh, K., Kikuchi, K.
Format:	Artikel
Sprache:	eng
Schlagworte:	Circuits Coherent receiver Dispersions Equalizers group-velocity dispersion (GVD) optical communications Optical detectors Optical fibers Optical filters Optical receivers Optical signal processing Phase shift keying Quadrature phase shift keying Quadratures Signal processing Signal restoration Transversal filters
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