Multiband Three-Dimensional Carrierless Amplitude Phase Modulation for Short Reach Optical Communications

被引：65
作者：
Sun, Lin [1 ]
Du, Jiangbing [1 ]
He, Zuyuan [1 ]
机构：
[1] Shanghai Jiao Tong Univ, State Key Lab Adv Opt Commun Syst & Networks, Shanghai 200240, Peoples R China
来源：
JOURNAL OF LIGHTWAVE TECHNOLOGY | 2016年 / 34卷 / 13期
基金：
中国国家自然科学基金;
关键词：
Carrierless amplitude phase modulation; multiband CAP; optical communication; LESS AMPLITUDE; CAP; SYSTEMS; TRANSMISSION; EFFICIENCY; VCSELS; LINKS; OFDM; PAM;
D O I：
10.1109/JLT.2016.2559783
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：
Multi-dimensional carrierless amplitude phase (CAP) modulation attracts a lot interest in recent optical communications as an advanced modulation format with improved performance. In this paper, we have demonstrated a multiband three-dimensional CAP (3D-CAP) modulation scheme and investigated its applications in short reach optical communication systems. Corresponding digital filters are designed by minimax algorithm with additional linear constraint to avoid the coding intersymbol interference. The performance of the digital filters is analyzed for optical fiber links with data rate over 100 Gb/s based on simulations. Similar to discrete multitone technique, several independent bands can be loaded with different 3D-CAP signals in the proposed multiband 3D-CAP system, offering improved tolerance to non-flat channels. 2-km single mode fiber transmission at total bit rate of 112.5 Gb/s is investigated through simulations and the results indicate better performance of multiband 3D-CAP compared with conventional 3D-CAP in short reach optical communication.
引用
收藏
页码：3103 / 3109
页数：7
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