Compact microring notch filters

被引：116

作者：

Absil, PP ^{[1
]}

Hryniewicz, JV

Little, BE

Wilson, RA

Joneckis, LG

Ho, PT

机构：

[1] Lab Phys Sci, College Pk, MD 20740 USA

[2] Univ Maryland, Dept Elect & Comp Engn, College Pk, MD 20742 USA

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2000年 / 12卷 / 04期

关键词：

microresonators; optical waveguide filters;

D O I：

10.1109/68.839031

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：

Microresonator filters reported so far have been ah-pole-type filters. We report two experimental realizations of zero-type (notch) filters using GaAs-AlGaAs microring resonators. The first is a ring coupled to one side of a Mach-Zehnder interferometer, the Y-branch of which has an effective splitting angle of 50 degrees with 0.5-dB loss, The second is a ring whose toss exactly matches the coupling to the input/output waveguide with an extinction greater than 20 dB.

引用

页码：398 / 400

页数：3

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