Highly efficient multichannel wavelength conversion of DPSK signals

被引:50
|
作者
Devgan, Preetpaul [1 ]
Tang, Renyong [1 ]
Grigoryan, Vladimir S. [1 ]
Kumar, Prem [1 ]
机构
[1] Northwestern Univ, Ctr Photon Commun & Comp, Dept Elect Engn & Comp Sci, Evanston, IL 60208 USA
基金
美国国家科学基金会;
关键词
differential phase-shift keying (DPSK); multi-channel; wavelength conversion;
D O I
10.1109/JLT.2006.882244
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
This paper demonstrates a multichannel wavelength conversion of differential phase-shift-keyed (DPSK) signals using four-wave mixing-in a highly nonlinear fiber. The wavelengths of three 10-Gb/s nonreturn-to-zero (NRZ) DPSK channels are simultaneously converted without incurring the cross-gain modulation penalty usually associated with ON-OFF-keyed signals. A maximum conversion efficiency of 85% was achieved for both NRZ and return-to-zero DPSK signals.
引用
收藏
页码:3677 / 3682
页数:6
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