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Error-rate Floors in Differential n -level Phase-shift-keying Coherent Receivers employing Electronic Dispersion Equalisation by Gunnar Jacobsen; Tianhua Xu; Sergei Popov; Jie Li; Yimo Zhang; Ari T. Friberg is a Engineering article available to read on EtoBox.

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## Abstract A model for the phase noise influence in differential __n__-level phase shift keying (__n__PSK) systems and 2__n__-level quadrature amplitude modulated (2__n__QAM) systems employing electronic dispersion equalization and quadruple carrier phase extraction is presented. The model includes the dispersion equalization enhanced local oscillator phase noise influence. Numerical results for phase noise error-rate floors are given for dual polarization (DQPSK, D16PSK and D64PSK) system configurations with basic baud-rate of 25 GS/s. The transmission distance in excess of 1000 km requires local oscillator lasers with sub-MHz linewidth.

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Author

Gunnar Jacobsen; Tianhua Xu; Sergei Popov; Jie Li; Yimo Zhang; Ari T. Friberg

Publisher

Walter de Gruyter GmbH

Published

2011

Language

EN

Field

Engineering (Physical Sciences)