Proposal of a Star-16QAM system based on Intersymbol Interference (ISI) suppression and coherent detection

Liang Zhang; Xiaofeng Hu; Tao Wang; Qi Liu; Yikai Su

doi:10.1117/12.843470

28 October 2009 Proposal of a Star-16QAM system based on Intersymbol Interference (ISI) suppression and coherent detection

Liang Zhang, Xiaofeng Hu, Tao Wang, Qi Liu, Yikai Su

Author Affiliations +

Proceedings Volume 7514, Photonics and Optoelectronics Meetings (POEM) 2009: Fiber Optic Communication and Sensors; 75140V (2009) https://doi.org/10.1117/12.843470
Event: Photonics and Optoelectronics Meetings 2009, 2009, Wuhan, China

Abstract

We propose a 40Gbit/s star-16QAM(to define) system based on ISI(to define)-suppression technology and coherent detection. ISI-free BPSK optical signals generated by Mach-Zehnder modulators (MZM) and continuous wave (CW) lights are used to realize a star-16QAM signal. As a result, the obtained star-16QAM signal is also ISI-free. It turns out that the proposed ISI free star-16QAM has better performance in terms of eye opening and constellation diagram comparing with two conventional star-16QAM signals transmitted through 80-km standard single-mode fiber (SSMF) and detected by a coherent receiver.

Citation Download Citation

Liang Zhang, Xiaofeng Hu, Tao Wang, Qi Liu, and Yikai Su "Proposal of a Star-16QAM system based on Intersymbol Interference (ISI) suppression and coherent detection", Proc. SPIE 7514, Photonics and Optoelectronics Meetings (POEM) 2009: Fiber Optic Communication and Sensors, 75140V (28 October 2009); https://doi.org/10.1117/12.843470

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