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Non-Data-Aided Wide-Range Frequency Offset Estimator for QAM Optical Coherent Receivers
Non-Data-Aided Wide-Range Frequency Offset Estimator QAM Optical Coherent Receivers
2011/5/20
We propose and experimentally demonstrate a novel blind frequency offset estimator for coherent quadrature amplitude modulation (QAM) receivers. Its frequency offset estimation range is more than thre...
Polarization Demultiplexing Based on Independent Component Analysis in Optical Coherent Receivers
Polarization Demultiplexing Independent Component Analysis Optical Coherent Receivers
2008/7/30
A novel independent component analysis based algorithm is proposed for polarization demultiplexing. It solves the converge-to-same-source problem of constant modulus algorithm while possesses similar ...
Digital Clock Recovery Algorithm for Optical Coherent Receivers Operating Independent of Laser Frequency Offset
Digital Clock Recovery Algorithm Optical Coherent Receivers Laser Frequency Offset
2008/7/30
We propose a digital clock recovery algorithm and demonstrate its tolerance to at least 5GHz laser frequency mismatch in a 43Gb/s DP-RZ-QPSK receiver after 1200km transmission.