Spectral Efficiency Enhancement Using Coherent WDM with Multi-Level Offset-QAM

被引：0
作者：
Zhao, J. [1 ]
Ellis, A. D. [1 ]
机构：
[1] Univ Coll Cork, Tyndall Natl Inst, Photon Syst Grp, Lee Maltings,Prospect Row, Cork, Ireland
来源：
2011 37TH EUROPEAN CONFERENCE AND EXHIBITION ON OPTICAL COMMUNICATIONS (ECOC 2011) | 2011年
基金：
爱尔兰科学基金会;
关键词：
PERFORMANCE; QPSK; OFDM;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We propose offset-QAM based CoWDM, and show that the proposed system outperforms no-guard-interval optical OFDM and Nyquist WDM and enables the use of offset 4-, 16-, and 64-QAM with the performance approaching the theoretical limits.
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页数：3
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