Investigation of mode characteristics for a square cavity with a pedestal by a three-dimensional finite-difference time-domain technique
文献类型：期刊论文
| 作者 | Chen Q (Chen Qin) ; Huang YZ (Huang Yon-Zhen) |
| 刊名 | journal of the optical society of america b-optical physics
 |
| 出版日期 | 2006 |
| 卷号 | 23期号:7页码:1287-1291 |
| 关键词 | MICRODISK LASERS RESONATORS |
| ISSN号 | 0740-3224 |
| 通讯作者 | chen, q, chinese acad sci, inst semicond, state key lab integrated optoelect, pob 912, beijing 100083, peoples r china. e-mail: chenqin@red.semi.ac.cn ; yzhuang@red.semi.ac.cn |
| 中文摘要 | mode characteristics of a strongly confined square cavity suspended in air via a pedestal on the substrate are investigated by a three-dimensional finite-difference time-domain technique. the mode wavelengths and mode quality factors (q factors) are calculated as the functions of the size of the pedestal and the slope angle 0 of the sidewalls of the square slab, respectively for the square slab with side length of 2 mu m, thickness of 0.2 mu m, and refractive index of 3.4, on a square pedestal with refractive index of 3.17, the q factor of the whispering-gallery (wg)-like mode transverse-electric te(3.5)o first increases with the side length b of the square pedestal and then quickly decreases as b > 0.4 mu m, but the q factor of the wg-like mode te(4.6)o drops down quickly as b > 0.2 mu m, owing to their different symmetries. the results indicate that the pedestal can also result in mode selection in the wg-like modes. in addition, the numerical results show that the q factors decrease 50% as the slope angle of the sidewalls varies from 90 degrees to 80 degrees. the mode characteristics of wg-like modes in the square cavity with a rectangular pedestal are also discussed. the results show that the nonsquare pedestal largely degrades the wg-like modes. (c) 2006 optical society of america |
| 学科主题 | 光电子学 |
| 收录类别 | SCI |
| 语种 | 英语 |
| 公开日期 | 2010-04-11 |
| 源URL | [http://ir.semi.ac.cn/handle/172111/10496]  |
| 专题 | 半导体研究所_中国科学院半导体研究所（2009年前） |
| 推荐引用方式 GB/T 7714 | Chen Q ,Huang YZ . Investigation of mode characteristics for a square cavity with a pedestal by a three-dimensional finite-difference time-domain technique[J]. journal of the optical society of america b-optical physics,2006,23(7):1287-1291. |
| APA | Chen Q ,&Huang YZ .(2006).Investigation of mode characteristics for a square cavity with a pedestal by a three-dimensional finite-difference time-domain technique.journal of the optical society of america b-optical physics,23(7),1287-1291. |
| MLA | Chen Q ,et al."Investigation of mode characteristics for a square cavity with a pedestal by a three-dimensional finite-difference time-domain technique".journal of the optical society of america b-optical physics 23.7(2006):1287-1291. |
入库方式： OAI收割
来源：半导体研究所
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