Design of XOR/XNOR optical logic circuit with two cascaded microring resonators and U-bend waveguides  

作　　者：张鑫 李志全 童凯 

机构地区：[1]School of Electronic Engineering,Yanshan University

出　　处：《Optoelectronics Letters》2014年第6期415-419,共5页光电子快报（英文版）

基　　金：supported by the National Natural Science Foundation of China(No.61172044);the Natural Science Foundation of Hebei Province(No.F2012203204)

摘　　要：An XOR/XNOR optical logic circuit with two cascaded microring resonators and two U-bend waveguides is proposed. The microring resonators are made of electro-optical polymer and modulated through linear electro-optical effect. Two electrical signals are applied to the two microrings, and simultaneous XOR and XNOR operations are demonstrated in two different operating modes. We also use scattering matrix method to analyze the analog output spectra, and find that different inputs like ‘00' and ‘11' can lead to different extinction ratios in output spectra at certain wavelengths, even though their digital outputs are the same.An XOR/XNOR optical logic circuit with two cascaded microring resonators and two U-bend waveguides is proposed. The microring resonators are made of electro-optical polymer and modulated through linear electro-optical effect. Two electrical signals are applied to the two microrings, and simultaneous XOR and XNOR operations are demonstrated in two different operating modes. We also use scattering matrix method to analyze the analog output spectra, and find that different inputs like ＇00＇ and ＇11＇ can lead to different extinction ratios in output spectra at certain wavelengths, even though their digital outputs are the same.

关 键 词：逻辑电路 谐振器 微环 弯曲波导 级联 设计 U形 线性电光效应 

分 类 号：TN252[电子电信—物理电子学]