Demultiplexing of 80-Gb/s pulse-position modulated data with an ultrafast nonlinear interferometer

被引:9
作者
Robinson, BS
Hamilton, SA
Ippen, EP
机构
[1] MIT, Lincoln Lab, Lexington, MA 02420 USA
[2] MIT, Dept Elect Engn & Comp Sci, Cambridge, MA 02139 USA
[3] MIT, Elect Res Lab, Cambridge, MA 02139 USA
关键词
demultiplexing; gain saturation; optical switches; pulse position modulation; semiconductor optical amplifiers; time-division multiplexing;
D O I
10.1109/68.980519
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
Pulse-position modulation may be used to reduce patterning effects arising from gain saturation in all-optical switches employing semiconductor optical amplifiers. We present a novel technique for return-to-zero pulse-position modulation of data suitable for use in optical time-division-multiplexed (OTDM) networks. We demonstrate two methods for all-optical demultiplexing of a pulse-position modulated data stream using an ultrafast nonlinear interferometer. Errorfree operation is obtained for demultiplexing from OTDM data rates as high as 80 Gb/s with control pulse energies of 25 fJ.
引用
收藏
页码:206 / 208
页数:3
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