Polarisation-mode dispersion impairments in direct-detection differential phase-shift-keying systems

29 August 2002

journal article
Published by Institution of Engineering and Technology (IET) in Electronics Letters

Vol. 38 (18) , 1047-1048
https://doi.org/10.1049/el:20020601

Abstract

Evaluation of the system performance degraded by first-order polarisation-mode dispersion (PMD) for non-return-to-zero (NRZ) or return-to-zero (RZ) differential phase-shift-keying (DPSK) signals is presented. The PMD-induced power penalties were measured with a PMD emulator for an optically preamplified receiver. The results show that the PMD sensitivities of DPSK signals are comparable with on-off keying signals.

Keywords

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