High-quality-factor photonic crystal ring resonator

被引：46
|
作者：
Zhang, Yong [1 ,2 ]
Zeng, Cheng [1 ,2 ]
Li, Danping [1 ,2 ]
Gao, Ge [1 ,2 ]
Huang, Zengzhi [1 ,2 ]
Yu, Jinzhong [1 ,2 ,3 ]
Xia, Jinsong [1 ,2 ]
机构：
[1] Huazhong Univ Sci & Technol, Wuhan Natl Lab Optoelect, Wuhan 430074, Hunan, Peoples R China
[2] Huazhong Univ Sci & Technol, Sch Opt & Elect Informat, Wuhan 430074, Hunan, Peoples R China
[3] Chinese Acad Sci, Inst Semicond, Optoelect Syst Lab, Beijing 100083, Peoples R China
来源：
OPTICS LETTERS | 2014年 / 39卷 / 05期
基金：
中国国家自然科学基金;
关键词：
DROP FILTER; BENDS;
D O I：
10.1364/OL.39.001282
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A design for enhancing the quality (Q) factor of a photonic crystal ring resonator (PCRR) is introduced. The highest Q factor based on simulations is 121,000. The analysis of momentum space distributions of the electric field profile for PCRR resonance shows that a high Q factor of a PCRR is attributed to the reduction of tangential k-vector component inside the leaky region. A high Q factor of 75,200 is experimentally demonstrated for a modified PCRR on a silicon-on-insulator wafer. The high-Q-factor PCRR demonstrated here will be beneficial for channel drop filters, lasers, sensors, and other applications. (C) 2014 Optical Society of America
引用
收藏
页码：1282 / 1285
页数：4
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