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Optical notch filter design based on digital signal processing

期刊名称：Optoelectronics Letters
时间：0
页码：182-185
语言：英文
分类：O734[理学—晶体学] TN911.72[电子电信—通信与信息系统;电子电信—信息与通信工程]
作者机构：[1]Key Laboratory of Specialty Fiber Optics and Optical Access Networks, School of Communication and Information Engineering, Shanghai University, Shanghai 200072, China, [2]Key Laboratory of High Power Laser Materials, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
相关基金：Project supported by the National Natural Science Foundation of China （Grant Nos. 10804070 and 61137002）, the Key Program of the Science and Technology Commission of Shanghai, China （Grant No. 1 ljc1413300）, and the Shanghai Leading Academic Discipline Project, China （Grant No. S30108）.
相关项目：频域密集光波信号的非对称群组分离原理、实现方法研究

关键词：一维光子晶体, 数字信号处理, 信号处理理论, 光子带隙, 解析表达式, 传递矩阵法, 脉冲响应, PC结构, one-dimensional photonic crystal, digital signal processing, Z-transform

中文摘要：

A method of describing one-dimensional photonic crystals(1DPCs) based on Z-domain digital signal processing theory is presented. The analytical expression of the target band gap spectrum in the digital domain is obtained by the autocorrelation of its impulse response. The feasibility of this method is verified by reconstructing two simple 1DPC structures with a target photonic band gap obtained by the traditional transfer matrix method. This method provides an effective approach to function-guided designs of interference-based band gap structures for photonic applications.

英文摘要：

A method of describing one-dimensional photonic crystals （1DPCs） based on Z-domain digital signal processing theory is presented. The analytical expression of the target band gap spectrum in the digital domain is obtained by the autocorrelation of its impulse response. The feasibility of this method is verified by reconstructing two simple 1DPC structures with a target photonic band gap obtained by the traditional transfer matrix method. This method provides an effective approach to function-guided designs of interference-based band gap structures for photonic applications.

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