Ultra-compact channel drop filter based on photonic crystal nanobeam cavities utilizing a resonant tunneling effect

被引：38
作者：
Ge, Xiaochen [1 ]
Shi, Yaocheng [1 ]
He, Sailing [1 ,2 ]
机构：
[1] Zhejiang Univ, Ctr Opt & Elect Res, State Key Lab Modern Opt Instrumentat, Hangzhou 310058, Zhejiang, Peoples R China
[2] Royal Inst Technol, Sch Elect Engn, Dept Electromagnet Engn, S-10044 Stockholm, Sweden
来源：
OPTICS LETTERS | 2014年 / 39卷 / 24期
基金：
中国国家自然科学基金;
关键词：
MICRORING RESONATORS; MODE-GAP; DESIGN; SILICON; MULTIPLEXER;
D O I：
10.1364/OL.39.006973
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The design, fabrication, and characterization of a compact photonic crystal nanobeam drop filter based on the tunneling effect of the degenerate modes are presented. The degeneracy was achieved by tuning the coupling distance between the nanobeam and input/output waveguides. The tunneling effect of degenerate resonances with different symmetries has been verified experimentally. Channel drop filters with an extinction ratio larger than 10 dB and a quality factor of similar to 5000 have been experimentally demonstrated. (C) 2014 Optical Society of America
引用
收藏
页码：6973 / 6976
页数：4
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