Design considerations of III-nitride-based two-dimensional photonic crystal cavities with crystallographically induced disorder

被引：6
|
作者：
Iwaya, Takenori [1 ]
Ichikawa, Shuhei [1 ,2 ]
Murakami, Masato [1 ]
Timmerman, Dolf [1 ]
Tatebayashi, Jun [1 ]
Fujiwara, Yasufumi [1 ]
机构：
[1] Osaka Univ, Grad Sch Engn, 2-1 Yamadaoka, Suita, Osaka 5650871, Japan
[2] Osaka Univ, Res Ctr Ultrahigh Voltage Electron Microscopy, 7-1 Mihogaoka, Ibaraki, Osaka 5670047, Japan
来源：
APPLIED PHYSICS EXPRESS | 2021年 / 14卷 / 12期
关键词：
Photonic crystal cavity; III-nitrides; Laser; LOCALIZATION; LASER;
D O I：
10.35848/1882-0786/ac3545
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We present a study on the improvement of quality factors (Q-factors) of III-nitride-based two-dimensional photonic crystal (2D-PhC) nanocavities. Although III-nitride-based 2D-PhC cavities have been studied for long time, they typically show relatively low experimental Q-factors due to disorders inevitably introduced during the fabrication processes. In order to realize high-Q-factors, it is necessary to introduce cavities that are tolerant to disorder. We numerically reproduce the experimental found disorder in simulations, and discuss the influence of disorder on Q-factors of several types of cavities. We demonstrate the suitability of these cavities for the realization of high-Q-factors, and show which structures have the largest tolerance for disorders.
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页数：4
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