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
收藏
页码：398 / 400
页数：3
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