Transmission Performance Comparison of Direction Detection-Based 100-Gb/s Modulation Formats for Metro Area Optical Networks

被引：0
|
作者：
Chung, Hwan Seok [1 ]
Chang, Sun Hyok [2 ]
Lee, Jonghyun [2 ]
Kim, Kwangjoon [2 ]
机构：
[1] ETRI, BigData Software Res Lab, Taejon, South Korea
[2] ETRI, Adv Commun Res Lab, Taejon, South Korea
来源：
ETRI JOURNAL | 2012年 / 34卷 / 06期
关键词：
100; G; modulation format; metro network;
D O I：
10.4218/etrij.12.1812.0109
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：
Transmission performances of direct detection-based 100-Gb/s modulation formats are investigated and compared for metro area optical networks. The effects of optical signal-to-noise ratio sensitivity, chromatic dispersion, cross-channel nonlinearity, and transmission distance on the performance of differential 8-ary phase-shift keying (D8PSK), differential phase-shift keying plus three-level amplitude-shift keying (DPSK+3ASK), and dual-carrier differential quaternary phase-shift keying (DC-DQPSK) are evaluated. The performance of coherent dual-polarization quadrature phase-shift keying (DP-QPSK) with block phase estimation and coherent DP-QPSK with digital differential detection are also presented for reference. According to our analysis, all three direct detection modulation formats could transmit a 100-Gb/s signal over several hundred kilometers of a single-mode fiber link. The results also show that DC-DQPSK outperforms D8PSK and DPSK+3ASK, and the performance of DC-DQPSK is comparable to that of coherent DP-QPSK with digital differential detection. The maximum transmission distance of DC-DQPSK is over 1,000 km, which is enough distance for metro applications.
引用
收藏
页码：800 / 806
页数：7
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