Synthesis of multifunction optical filter based on digital signal processing method

被引：0
|
作者：
Juan Zhang
Yang Wang
机构：
[1] Shanghai University,Key Laboratory of Specialty Fiber Optics and Optical Access Networks, School of Communication and Information Engineering
[2] Chinese Academy of Sciences,Shanghai Institute of Optics and Fine Mechanics
来源：
Optical and Quantum Electronics | 2017年 / 49卷
关键词：
Optical interleaver; Optical notch filter; Ring resonator; Z-transform;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
By a digital signal processing method, a multifunction optical filter is synthesized. The filter is formed by a Mach–Zehnder interferometer with two cascaded double-ring resonators and a single-ring resonator on the two arms respectively. It can operate as a symmetrical interleaver, an asymmetrical interleaver with arbitrary duty cycles, a notch filter with a single notch point and a notch filter with two notch points. These four functions can be realized by choosing appropriate structural parameters. The configurable and tunable features make it useful in the future intelligent optical communication networks.
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