Degeneracy breaking of optical resonance modes in rolled-up spiral microtubes

被引：52

作者：

Hosoda, M. ^{[1
]}

Shigaki, T. ^{[1
]}

机构：

[1] Osaka City Univ, Dept Appl Phys, Sumiyoshi Ku, Osaka 5588585, Japan

来源：

APPLIED PHYSICS LETTERS | 2007年 / 90卷 / 18期

关键词：

D O I：

10.1063/1.2734878

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The authors investigate the optical resonance modes (ORMs) generated in semiconductor microtubes of spiral symmetry by using finite-difference time-domain methods. Even though the tube-wall thickness is much smaller than the light wavelength, modes having an electric field parallel to the tube wall can loop around the tube periphery as ORMs. In addition, the degenerated ORMs present in conventional cylindrical cavities such as whispering gallery modes are broken and separated into two modes due to the spiral asymmetry of the rolled-up microtubes. (c) 2007 American Institute of Physics.

引用

页数：3

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