Ultrafast multifunctional all-optical logic gates based on single semiconductor optical amplifier

被引：0

作者：

Dong, Jianji ^{[1
]}

Zhang, Xinliang ^{[1
]}

Fu, Songnian ^{[2
]}

Wang, Yang ^{[1
]}

Huang, Dexiu ^{[1
]}

机构：

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

[2] Nanyang Technol Univ, Sch Elect & Elect Engn, Network Technol Res Ctr, Singapore 637553, Singapore

来源：

OPTOELECTRONIC MATERIALS AND DEVICES II | 2007年 / 6782卷

基金：

中国国家自然科学基金;

关键词：

all-optical logic gate; semiconductor optical amplifier (SOA); cross phase modulation (XPM);

D O I：

10.1117/12.741720

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We propose and demonstrate 40Gb/s multifunctional all-optical logic gates based on single semiconductor optical amplifier (SOA) and a blue shifted optical bandpass filter (OBF), suitable for both return-to-zero (RZ) and nonreturn-to-zero (NRZ) format. The logic functions NOT, NOR and OR of RZ format are realized at the OBF detuning of -0.15nm, -0.22nm, and -0.44nm, respectively. The logic functions NOT and NOR of NRZ format are realized at the OBF detuning of -0.24nm. The measured ER is around 7dB and Q factor is over 6. Our scheme has the potential advantages of multilogic functions, simple structure, and high tolerance to input pulsewidth.

引用

页数：6

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