40-Gb/s all-optical packet synchronization and address comparison for OTDM networks

被引:41
|
作者
Hamilton, SA [1 ]
Robinson, BS [1 ]
机构
[1] MIT, Lincoln Lab, Lexington, MA 02420 USA
关键词
address comparison; all-optical logic; optical time-division multiplexing; packet synchronization; pulse-position modulation; ultrafast nonlinear interferometer;
D O I
10.1109/68.980524
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 demonstrate a novel optical time division multiplexing packet-level system-synchronization and address-comparison technique, which relies on cascaded semiconductor-based optical logic gates operating at 50-Gb/s line rates. Synchronous global clock distribution is used to achieve fixed length packet-synchronization that is resistant to channel-induced timing delays, and straightforward to achieve using a single optical logic gate. Four-bit address processing is achieved using a pulse-position modulated header input to a single optical logic gate, which provides boolean XOR functionality, low latency, and stability over >1 h time periods with low switching energy <100 fJ.
引用
收藏
页码:209 / 211
页数:3
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