Carrier phase recovery without pilot sub-carriers in coherent optical OFDM transmission systems

Wu Liu; Qi Yang

doi:10.1117/12.903998

9 December 2011 Carrier phase recovery without pilot sub-carriers in coherent optical OFDM transmission systems

Wu Liu, Qi Yang

Proceedings Volume 8309, Optical Transmission Systems, Subsystems, and Technologies IX; 83090G (2011) https://doi.org/10.1117/12.903998
Event: SPIE/OSA/IEEE Asia Communications and Photonics, 2011, Shanghai, China

Abstract

A carrier phase recovery method for optical transmission format of 16-QAM constellations is presented. The method can also be used in coherent optical single carrier or OFDM (CO-OFDM) system to implement blind phase recovery with low computational cost. We apply this method in 112Gb/s 1040 km CO-OFDM transmission, and compare its performance to those using the fourth-power estimator. Experimental results obtained indicate that the proposed method significantly outperform the fourth-power estimator.

Citation Download Citation

Wu Liu and Qi Yang "Carrier phase recovery without pilot sub-carriers in coherent optical OFDM transmission systems", Proc. SPIE 8309, Optical Transmission Systems, Subsystems, and Technologies IX, 83090G (9 December 2011); https://doi.org/10.1117/12.903998

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