Accurate Digital Frequency Offset Estimator for Coherent PolMux QAM Transmission Systems

Conference: ECOC 2009 - 35th European Conference on Optical Communication
09/20/2009 - 09/24/2009 at Vienna, Austria

Proceedings: ECOC 2009

Pages: 2Language: englishTyp: PDF

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Selmi, Mehrez; Jaouën, Yves; Ciblat, Philippe (Institut Telecom/Telecom ParisTech, CNRS UMR LTCI, 46 rue Barrault 75634 Paris CEDEX 13 France)

An accurate blind frequency offset estimator adapted to QAM modulated signal is proposed. For coherent 100Gbit/s QAM PolMux transmission, frequency offset can be recovered with an accuracy of a few kHz.