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Opt Express. 2006 Oct 30;14(22):10239-44.

16-level differential phase shift keying (D16PSK) in direct detection optical communication systems.

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1
COM*DTU, Department of Communications, Optics and Materials, Technical University of Denmark, ├śrsteds Plads, 345V, DK-2800, Kgs. Lyngby, Denmark.

Abstract

Optical 16-level differential phase shift keying (D16PSK) carrying four bits for every symbol is proposed for direct detection optical communication systems. Transmitter and receiver schematics are presented, and the receiver sensitivity is discussed. We numerically investigate the impact of chromatic dispersion and nonlinear transmission degradations.

PMID:
19529420
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