Polarization-interleave-multiplexed discrete multi-tone modulation with direct detection utilizing MIMO equalization

被引：13
|
作者：
Zhou, Xian [1 ,2 ]
Zhong, Kangping [2 ]
Gao, Yuliang [3 ]
Sui, Qi [3 ]
Dong, Zhenghua [3 ]
Yuan, Jinhui [2 ]
Wang, Liang [2 ]
Long, Keping [1 ]
Lau, Alan Pak Tao [3 ]
Lu, Chao [2 ]
机构：
[1] Univ Sci & Technol Beijing, Res Ctr Convergence Networks & Ubiquitous Service, Beijing 100083, Peoples R China
[2] Hong Kong Polytech Univ, Photon Res Ctr, Elect & Informat Engn Dept, Kowloon, Hong Kong, Peoples R China
[3] Hong Kong Polytech Univ, Photon Res Ctr, Dept Elect Engn, Kowloon, Hong Kong, Peoples R China
来源：
OPTICS EXPRESS | 2015年 / 23卷 / 07期
基金：
中国国家自然科学基金;
关键词：
OPTICAL COMMUNICATION-SYSTEMS; PHASE MODULATION; TRANSMISSION; DMT; AMPLITUDE; FORMATS;
D O I：
10.1364/OE.23.008409
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Discrete multi-tone (DMT) modulation is an attractive modulation format for short-reach applications to achieve the best use of available channel bandwidth and signal noise ratio (SNR). In order to realize polarization-multiplexed DMT modulation with direct detection, we derive an analytical transmission model for dual polarizations with intensity modulation and direct diction (IM-DD) in this paper. Based on the model, we propose a novel polarization-interleave-multiplexed DMT modulation with direct diction (PIM-DMT-DD) transmission system, where the polarization de-multiplexing can be achieved by using a simple multipleinput- multiple-output (MIMO) equalizer and the transmission performance is optimized over two distinct received polarization states to eliminate the singularity issue of MIMO demultiplexing algorithms. The feasibility and effectiveness of the proposed PIM-DMT-DD system are investigated via theoretical analyses and simulation studies. (C) 2015 Optical Society of America
引用
收藏
页码：8409 / 8421
页数：13
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