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Phase recovery algorithm in coherent homodyne optical systems
Author(s): R. Z. Ibragimov
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Paper Abstract

In paper we present low-complexity feed-forward algorithm for digital signal processing in coherent optical 16QAM systems, employing adaptive filtering for decreasing linewidth phase noise of coherent laser. Simulations show performance that using dual polarization for 16 quadrature-amplitude modulation (QAM) transmission is possible for laser beat linewidths of ΔfTs = 0.3 ∙ 10-3 and ΔfTs = 7.9 ∙ 10-5 when soft-decision phase estimator is employed.

Paper Details

Date Published: 6 April 2017
PDF: 5 pages
Proc. SPIE 10342, Optical Technologies for Telecommunications 2016, 103420Z (6 April 2017); doi: 10.1117/12.2270076
Show Author Affiliations
R. Z. Ibragimov, Siberian State Univ. of Telecommunications and Informatics (Russian Federation)


Published in SPIE Proceedings Vol. 10342:
Optical Technologies for Telecommunications 2016
Vladimir A. Andreev; Anton V. Bourdine; Vladimir A. Burdin; Oleg G. Morozov; Albert H. Sultanov, Editor(s)

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