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Optica Publishing Group
Conferences > OFC > 2015 > W1E > W1E.2

Multiplier-Free Carrier-Phase Recovery for Real-Time Receivers Using Processing in Polar Coordinates

B. Baeuerle, A. Josten, F. Abrecht, E. Dornbierer, J. Boesser, M. Dreschmann, J. Becker, J. Leuthold, and D. Hillerkuss

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Abstract

A low-complexity, multi-format carrier-phase estimation algorithm for QPSK and 16QAM is demonstrated. Our multiplier-free hardware implementation is enabled by operating in polar coordinates and allows for detection of QPSK signals beyond 38 GBd.

© 2015 Optical Society of America

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