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Conferences > COTA > 2008 > CWB > CWB4

Frequency Estimation and Compensation for Coherent QPSK Transmission with DFB Lasers

S. Hoffmann, T. Pfau, O. Adamczyk, C. Wördehoff, R. Peveling, M. Porrmann, R. Noé, and S. Bhandare

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Abstract

We present a hardware-efficient combined frequency and phase estimator. It is capable of tracking phase noise of 10 GBaud optical QPSK transmission systems with DFB lasers and frequency mismatch up to 0.8 GHz.

© 2008 Optical Society of America

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