Coherent detection of 40-Gb/s optical minimum-shift keying modulation

Li Tao; Bo Huang; Yufeng Shao; Junwen Zhang; Jiangbo Zhu; Nan Chi

doi:10.1117/12.888547

18 February 2011 Coherent detection of 40-Gb/s optical minimum-shift keying modulation

Li Tao, Bo Huang, Yufeng Shao, Junwen Zhang, Jiangbo Zhu, Nan Chi

Proceedings Volume 7988, Optical Transmission Systems, Switching, and Subsystems VIII; 798825 (2011) https://doi.org/10.1117/12.888547
Event: Asia Communications and Photonics Conference and Exhibition, 2010, Shanghai, Shanghai, China

Abstract

Optical minimum-shift keying (MSK) format has constant envelope and continuous temporal phase shift, and exhibits a promising application for its high compact spectrum. Coherent detections have been proved to be effectively for the significant improvement of receiver sensitivity. In this paper, a heterodyne detection scheme to demodulate 40Gb/s MSK signal is proposed, and simulation analysis is given to the receiver sensitivity, the laser line-width and frequency offset. Comparison is drawn between the presented heterodyne detection and homodyne detection, and investigation is made on the performance of the receiver in different schemes.

Citation Download Citation

Li Tao, Bo Huang, Yufeng Shao, Junwen Zhang, Jiangbo Zhu, and Nan Chi "Coherent detection of 40-Gb/s optical minimum-shift keying modulation", Proc. SPIE 7988, Optical Transmission Systems, Switching, and Subsystems VIII, 798825 (18 February 2011); https://doi.org/10.1117/12.888547

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