High quality two-dimensional photonic crystal slab cavities

被引:156
作者
Yoshie, T [1 ]
Vuckovic, J
Scherer, A
Chen, H
Deppe, D
机构
[1] CALTECH, Dept Elect Engn, Pasadena, CA 91125 USA
[2] Univ Texas, Dept Elect & Comp Engn, Microelect Res Ctr, Austin, TX 78712 USA
关键词
D O I
10.1063/1.1427748
中图分类号
O59 [应用物理学];
学科分类号
摘要
We have fabricated and characterized donor-mode nanocavities formed by a single defect cavity defined within a two-dimensional photonic crystal slab. Quantum dots emitting in the 1.1-1.3 micron range were used as luminescence sources, and a design using fractional edge dislocations was used to demonstrate well-confined dipole modes with high quality factors. By applying the fractional dislocation geometry, the measured quality factor could be increased to values as high as 2800. This compares with typical quality factors of around 1500 measured from more conventional shallow donor mode cavities with larger mode volumes. (C) 2001 American Institute of Physics.
引用
收藏
页码:4289 / 4291
页数:3
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