Polarization-insensitive optical clock recovery at 80 Gb/s using a silicon photodiode

被引:23
作者
Salem, R [1 ]
Tudury, GE
Horton, TU
Carter, GM
Murphy, TE
机构
[1] Univ Maryland, Dept Elect & Comp Engn, College Pk, MD 20742 USA
[2] Univ Maryland Baltimore Cty, Dept Elect & Comp Engn, Baltimore, MD 21228 USA
[3] Lab Phys Sci, College Pk, MD 20742 USA
关键词
nonlinear optics; optical communication; optical signal processing; phase-locked loop (PLLs); photodiodes; polarization; synchronization; timing jitter;
D O I
10.1109/LPT.2005.851885
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 report an optical clock recovery system that uses two-photon absorption in a conventional silicon photodiode to synchronize a 10-GHz optical clock to an 80-Gb/s data stream. Compared to many other clock recovery techniques, the system is economical, pol arization-insensitive, and can operate over '.to-back range of optical wavelengths. The system was tested back and in a 110-km transmission experiment, achieved error-free performance in all cases, and exhibits a root-mean-square timing jitter of 120 fs. Low timing jitter is maintained even in the presence of slow or fast polarization fluctuations.
引用
收藏
页码:1968 / 1970
页数:3
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