Simulation and Demonstration of Directed XOR/XNOR Logic Gates Using Two Cascaded Microring Resonators

被引：7

作者：

Tian, Yonghui ^{[1
,2
]}

Li, Dezhao ^{[1
,2
]}

Liu, Zilong ^{[1
,2
]}

Xiao, Huifu ^{[1
,2
]}

Zhao, Guolin ^{[1
,2
]}

Yang, Jianhong ^{[1
,2
]}

Zhao, Yongpeng ^{[1
,2
]}

Han, Genliang ^{[3
]}

Gao, Xiaoping ^{[3
]}

机构：

[1] Lanzhou Univ, Inst Microelect, Lanzhou 730000, Peoples R China

[2] Lanzhou Univ, Key Lab Magnetism & Magnet Mat MOE, Sch Phys Sci & Technol, Lanzhou 730000, Peoples R China

[3] Gansu Acad Sci, Inst Sensor Technol, Gansu Key Lab Sensor & Sensor Technol, Lanzhou 730000, Peoples R China

来源：

IEEE PHOTONICS JOURNAL | 2016年 / 8卷 / 02期

基金：

中国国家自然科学基金;

关键词：

Integrated optics; optical switching devices; optical logic devices; resonators; photonic integrated circuits; ALL-OPTICAL XOR; WAVE-GUIDES; SILICON; NAND; MODULATOR; NETWORKS; CIRCUITS; FUTURE; POWER; XNOR;

D O I：

10.1109/JPHOT.2016.2535910

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 propose and demonstrate a directed optical logic circuit that can perform the XOR and XNOR logic operations consisting of two cascaded microring resonators, i.e., an upper waveguide and an under waveguide. No waveguide crossings exist in the circuit, which is very useful to improve the signal quality and reduce the insertion loss of the device. As proof of principle, XOR and XNOR logic operations with the speed of 10 kb/s are successfully demonstrated. In addition, numerical simulation results indicate that the length difference between the upper waveguide and the under waveguide can change the output spectrum characteristics of the device, which acts like a Mach-Zehnder interferometer (MZI).

引用

页数：11

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