Impact of optical filtering on duobinary transmission

被引：15
|
作者：
Lyubomirsky, I [1 ]
Pitchumani, B [1 ]
机构：
[1] Univ Calif Riverside, Dept Elect Engn, Riverside, CA 92521 USA
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2004年 / 16卷 / 08期
关键词：
amplified spontaneous emission (ASE) noise; dense wavelength-division-multiplexing (WDM); duobinary; optical filtering;
D O I：
10.1109/LPT.2004.829751
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 experimental investigation into the effects of optical filtering on 10-Gb/s duobinary transmission is presented. It is found that duobinary transmission systems benefit substantially from narrow optical filtering at the receiver. A 2-3-dB Q improvement in amplified spontaneous emission (ASE) noise-limited performance is obtained by optimizing the optical filter bandwidth. The duobinary modulation is compared to nonreturn-to-zero modulation as a function of optical filter bandwidth in ASE noise-limited and dispersion-limited regimes.
引用
收藏
页码：1969 / 1971
页数：3
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