Cavity-enhanced blue single-photon emission from a single InGaN/GaN quantum dot

被引：58
|
作者：
Jarjour, Anas F.
Taylor, Robert A.
Oliver, Rachel A.
Kappers, Menno J.
Humphreys, Colin J.
Tahraoui, Abbes
机构：
[1] Univ Oxford, Dept Phys, Clarendon Lab, Oxford OX1 3PU, England
[2] Univ Cambridge, Dept Mat Sci & Met, Cambridge CB2 3QZ, England
[3] Univ Sheffield, Dept Elect & Elect Engn, Natl Ctr III V Technol, Sheffield S1 3JD, S Yorkshire, England
来源：
APPLIED PHYSICS LETTERS | 2007年 / 91卷 / 05期
基金：
英国工程与自然科学研究理事会;
关键词：
D O I：
10.1063/1.2767217
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The authors report on the generation of single photons in the blue spectral region from a single InGaN/GaN quantum dot. The collection efficiency was enhanced by embedding the quantum dot layer in the middle of a low-Q microcavity. The microphotoluminescence is observed to be approximately ten times stronger than typical InGaN quantum dot emission without a cavity. The measurements were performed using nonlinear excitation spectroscopy in order to suppress the background emission from the underlying wetting layer. (c) 2007 American Institute of Physics.
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页数：3
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