高精细度光纤谐振环辅助MZI滤波器的数值分析

doi:10.16389/j.cnki.cn42-1737/n.2018.03.008

江汉大学学报（自然科学版） ›› 2018, Vol. 46 ›› Issue (3): 244-250.doi: 10.16389/j.cnki.cn42-1737/n.2018.03.008

高精细度光纤谐振环辅助MZI滤波器的数值分析

宫原野^1，2，董姗姗^*3

1. 中国移动通信集团有限公司蚌埠分公司，安徽蚌埠 233000；2. 北方工业大学电子信息工程学院，北京 100144；3. 安徽财经大学商学院，安徽蚌埠 234041

出版日期:2018-06-28 发布日期:2018-05-30
通讯作者: 董姗姗
作者简介:宫原野（1992—），男，工程师，硕士，研究方向：光通信与集成光电子器件设计。

Numerical Analysis of High Finesse Filter Based on Optical Fiber Ring Resonator Assisted Mach-Zehnder Interferometer

GONG Yuanye^1，2，DONG Shanshan^*3

1.Bengbu Branch Company,China Mobile Communications Group Co.,Ltd., Bengbu 233000, Anhui, China; 2. College of Information Engineering, North China University of Technology, Beijing 100144, China; 3. School of Business, Anhui University of Finance and Economics, Bengbu 234041, Anhui, China

Online:2018-06-28 Published:2018-05-30
Contact: DONG Shanshan

摘要/Abstract

摘要： 将4个光纤谐振环采用耦合器相互级联，再与普通马赫-曾德尔干涉仪滤波器上下臂相耦合，设计了一种新型的光纤谐振环辅助马赫-曾德尔干涉仪滤波器。根据光纤环谐振理论与信号流程图理论，推导出滤波器输出端的光学传递函数，并对其传输特性进行模拟分析。仿真结果表明：滤波器输出光谱具有顶部平坦、边沿滚降明显、窄带宽、高精细度的优良性能。数值计算得出，滤波器的精细度达到69. 4，能够对密集波分复用系统中的光信号做到精确提取与选择。

关键词: 集成光学, 光学滤波器, 光纤谐振环, 马赫-曾德尔干涉仪, 高精细度

Abstract: A novel optical filter combining ring resonator with Mach-Zehnder interferometer was designed. In this structure, four fiber ring resonators were cascaded and combined with Mach-Zehnder interferometer using coupler. Formulas of the transfer functions were deduced by fiber ring resonance theory and signal flow graph method and the simulation analysis was given as well. The results showed that output spectrum of this filter had excellent performance such as flatness filtering response, strengthening of rolloff in transition band, narrow bandwidth and high finesse. The numeral calculations showed that the fineness of this structure reached 69. 4, it is able to select and extract optical signal precisely in dense wavelength division multiplexing system.

Key words: integrated optics, optical filter, ring resonator, Mach-Zehnder interferometer, high finesse

中图分类号:

TN253
TN256

宫原野，董姗姗. 高精细度光纤谐振环辅助MZI滤波器的数值分析[J]. 江汉大学学报（自然科学版）, 2018, 46(3): 244-250.

GONG Yuanye，DONG Shanshan. Numerical Analysis of High Finesse Filter Based on Optical Fiber Ring Resonator Assisted Mach-Zehnder Interferometer[J]. Journal of Jianghan University(Natural Science Edition), 2018, 46(3): 244-250.

[1]	董姗姗，宫原野，牛长流. “8”字型微环谐振器辅助马赫-曾德尔干涉仪滤波器[J]. 江汉大学学报（自然科学版）, 2022, 50(3): 90-96.
[2]	宫原野，董姗姗，牛长流，丁智，沈志兴. 一种改进的微环谐振器耦合MZI型光学滤波器[J]. 江汉大学学报（自然科学版）, 2020, 48(2): 21-27.
[3]	宫原野，丁智. 基于三微环串联阵列的8通道密集波分复用器[J]. 江汉大学学报（自然科学版）, 2019, 47(4): 314-320.
[4]	宫原野，盛凯. 基于信号流程图理论的交叉信道微环滤波器研究[J]. 江汉大学学报（自然科学版）, 2017, 45(4): 377-384.

高精细度光纤谐振环辅助MZI滤波器的数值分析

Numerical Analysis of High Finesse Filter Based on Optical Fiber Ring Resonator Assisted Mach-Zehnder Interferometer

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