Optical duobinary transmission system featuring improved receiver sensitivity and reduced optical bandwidth

被引：51
|
作者：
Kim, H [1 ]
Yu, CX [1 ]
机构：
[1] Lucent Technol, Bell Labs, Holmdel, NJ 07733 USA
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2002年 / 14卷 / 08期
关键词：
optical communication; optical duobinary; optical modulation;
D O I：
10.1109/LPT.2002.1022019
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：
We propose and demonstrate a simple method to improve both the receiver sensitivity and spectral efficiency of the optical duobinary transmission system. Compared to the conventional duobinary signal generated by using an electrical low-pass filter, more than 1-dB improvement of receiver sensitivity and similar to20% reduction in the spectral width are achieved simply by filtering the 10-Gb/s duobinary signals with a narrow-bandwidth (7 GHz) optical filter.
引用
收藏
页码：1205 / 1207
页数：3
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