Demonstration of high-Q (>8600) three-dimensional photonic crystal nanocavity embedding quantum dots

被引：38
作者：
Tandaechanurat, A. [1 ]
Ishida, S. [1 ]
Aoki, K. [2 ]
Guimard, D. [2 ]
Nomura, M. [2 ]
Iwamoto, S. [1 ,2 ,3 ]
Arakawa, Y. [1 ,2 ,3 ]
机构：
[1] Univ Tokyo, Adv Sci & Technol Res Ctr, Meguro Ku, Tokyo 1538904, Japan
[2] Univ Tokyo, Inst Nano Quantum Informat Elect, Meguro Ku, Tokyo 1538505, Japan
[3] Univ Tokyo, Inst Ind Sci, Meguro Ku, Tokyo 1538505, Japan
来源：
APPLIED PHYSICS LETTERS | 2009年 / 94卷 / 17期
关键词：
laser cavity resonators; nanostructured materials; optical fabrication; photonic crystals; point defects; Q-factor; quantum dots; SPONTANEOUS EMISSION; LIGHT-EMISSION; DEFECT;
D O I：
10.1063/1.3127523
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The authors report on an experimental demonstration of coupling of quantum dots with a point-defect nanocavity in woodpile three-dimensional (3D) photonic crystal (PhC) with the highest quality (Q) factor among those for 3D PhC cavities. The Q factor of more than 8600 was achieved by stacking 25 layers using a micromanipulation technique. The size of the square-shaped defect cavity was optimized to tune the cavity mode to the midgap frequency of the complete photonic bandgap to achieve high Q.
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页数：3
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