Whispering gallery modes in indium oxide hexagonal microcavities

被引：28
作者：
Dong, Hongxing [1 ]
Chen, Zhanghai [1 ]
Sun, Liaoxin [1 ]
Lu, Jian [1 ]
Xie, Wei [1 ]
Tan, H. Hoe [2 ]
Jagadish, Chennupati [2 ]
Shen, Xuechu [1 ]
机构：
[1] Fudan Univ, Dept Phys, Surface Phys Lab, Adv Mat Lab, Shanghai 200433, Peoples R China
[2] Australian Natl Univ, Dept Elect Mat Engn, Res Sch Phys & Engn, Canberra, ACT 0200, Australia
来源：
APPLIED PHYSICS LETTERS | 2009年 / 94卷 / 17期
关键词：
laser cavity resonators; microcavities; nanowires; semiconductor quantum wires; whispering gallery modes; IN2O3; GROWTH; CHAINS;
D O I：
10.1063/1.3126443
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We report on the use of In(2)O(3) nanowires with hexagonal cross section as optical whispering gallery resonators. The single-crystal In(2)O(3) nanowires were fabricated by an in situ thermal oxidation method. Whispering gallery modes (WGMs) in the visible spectral range were directly observed at room temperature. Due to the slight tapering of the nanowires, the energies and orders of the WGMs were modulated when excitations were scanned along the c-axis (length) of the nanowires. The experimental results were explained and fitted well with a plane wave interference model and Cauchy dispersion formula for refractive indices.
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页数：3
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