Arbitrary-Order Bandwidth-Tunable Temporal Differentiator Using a Programmable Optical Pulse Shaper

被引：20

作者：

Dong, Jianji ^{[1
]}

Yu, Yuan ^{[1
]}

Zhang, Yin ^{[1
]}

Luo, Bowen ^{[1
]}

Yang, Ting ^{[1
]}

Zhang, Xinliang ^{[1
]}

机构：

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

来源：

IEEE PHOTONICS JOURNAL | 2011年 / 3卷 / 06期

基金：

中国国家自然科学基金;

关键词：

Analog optical signal processing; ultrafast processing; pulse shaping; technologies for computing;

D O I：

10.1109/JPHOT.2011.2170965

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 experimentally demonstrate an arbitrary-order bandwidth-tunable differentiator using a programmable optical pulse shaper, which is based on spatial diffraction and liquid crystal modulation. The impact of bandwidth of optical pulse shaper on output power and pulsewidth of differentiation is theoretically analyzed. In the experiment, all first-order, second-order, and third-order differentiators with bandwidths of 80, 160, and 320 GHz are obtained with average deviations of less than 4.2%. The differentiation of pseudorandom nonreturn-to-zero (NRZ) signals at 10 and 20 Gbit/s is also discussed.

引用

页码：996 / 1003

页数：8

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