High-Spectral-Efficiency Optical Modulation Formats

被引：300
作者：
Winzer, Peter J. [1 ]
机构：
[1] Bell Labs, Alcatel Lucent, Holmdel, NJ 07733 USA
来源：
JOURNAL OF LIGHTWAVE TECHNOLOGY | 2012年 / 30卷 / 24期
关键词：
Coding; coherent detection; digital signal processing; DSP; FEC; modulation; PDM; QAM; QPSK; SDM; WDM; FEEDFORWARD CARRIER RECOVERY; COHERENT-DETECTION; RECEIVER CONCEPT; NYQUIST-WDM; TRANSMISSION; QPSK; LIMITS; OFDM; PERFORMANCE; EQUALIZATION;
D O I：
10.1109/JLT.2012.2212180
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：
As 100-Gb/s coherent systems based on polarization-division multiplexed quadrature phase shift keying (PDM-QPSK), with aggregate wavelength-division multiplexed (WDM) capacities close to 10 Tb/s, are getting widely deployed, the use of high-spectral-efficiency quadrature amplitude modulation (QAM) to increase both per-channel interface rates and aggregate WDM capacities is the next evolutionary step. In this paper we review high-spectral-efficiency optical modulation formats for use in digital coherent systems. We look at fundamental as well as at technological scaling trends and highlight important trade-offs pertaining to the design and performance of coherent higher-order QAM transponders.
引用
收藏
页码：3824 / 3835
页数：12
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