Ultra-dense WDM with over 100% spectral efficiency using co-polarized 40-Gb/s inverse-RZ signals

被引:6
作者
Ogusu, M [1 ]
Ide, K [1 ]
Ohshima, S [1 ]
机构
[1] Toshiba Co Ltd, Ctr Corp Res & Dev, Kawasaki, Kanagawa 2128582, Japan
关键词
dense WDM systems; spectral efficiency; 40; Gb/s; inverse-RZ signals;
D O I
10.1093/ietcom/E88-B.1.195
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
An inverse-RZ modulation scheme for dense WDM systems is proposed. Inverse-RZ signals have tolerances to chromatic dispersion and optical bandwidth limitation. The strongly pre-filtered inverse-RZ signals can be adapted to ultra-dense WDM systems, in which the spectral efficiencies are over 1.0 b/s/Hz. We have confirmed the error-free transmission of pre-filtered and co-polarized 40-Gb/s inverse-RZ signals where the channel intervals were 37.5 GHz.
引用
收藏
页码:195 / 202
页数:8
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