Simultaneous all-optical AND and NOR gates for NRZ differential phase-shift-keying signals

被引：16

作者：

Xu, Jing ^{[1
,2
,3
]}

Zhang, Xinliang ^{[1
,2
]}

Dong, Hanji ^{[1
,2
]}

Liu, Deming ^{[1
,2
]}

Huang, Dexiu ^{[1
,2
]}

机构：

[1] Huazhong Univ Sci & Technol, Wuhan Natl Lab Optoelect, Wuhan 430074, Peoples R China

[2] Huazhong Univ Sci & Technol, Inst Optoelect Sci & Engn, Wuhan 430074, Peoples R China

[3] Tech Univ Denmark, Dept Photon Engn, DTU Foton, Lyngby, Denmark

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2008年 / 20卷 / 5-8期

关键词：

delayed interferometer (DI); nonreturn-to-zero differential phase-shift keying (NRZ-DPSK); optical logic devices semiconductor optical amplifiers (SOAs);

D O I：

10.1109/LPT.2008.918822

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：

A scheme for realizing all-optical logic AND and NOR gates simultaneously for nonreturn-to-zero differential phase-shift-keying signals is proposed and demonstrated based on a delayed interferometer and two semiconductor optical amplifiers. Experimental demonstration at 20 Gb/s verifies the logic integrity of this scheme. The final results are derived in the ON-OFF keying format with clear open eyes and extinction ratios over 10 dB. The proposed scheme can be expanded to realize arbitrary logic gate.

引用

页码：596 / 598

页数：3

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