Enhanced single photon emission from positioned InP/GaInP quantum dots coupled to a confined Tamm-plasmon mode

被引：31
作者：
Braun, T. [1 ,2 ]
Baumann, V. [1 ,2 ]
Iff, O. [1 ,2 ]
Hoefling, S. [1 ,2 ,3 ]
Schneider, C. [1 ,2 ]
Kamp, M. [1 ,2 ]
机构：
[1] Univ Wurzburg, Inst Phys, D-97074 Wurzburg, Germany
[2] Univ Wurzburg, Wilhelm Conrad Rontgen Res Ctr Complex Mat Syst, D-97074 Wurzburg, Germany
[3] Univ St Andrews, Sch Phys & Astron, SUPA, St Andrews KY16 9SS, Fife, Scotland
来源：
APPLIED PHYSICS LETTERS | 2015年 / 106卷 / 04期
关键词：
TEMPERATURE-DEPENDENCE; DEVICE;
D O I：
10.1063/1.4907003
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We report on the enhancement of the spontaneous emission in the visible red spectral range from site-controlled InP/GaInP quantum dots by resonant coupling to Tamm-plasmon modes confined beneath gold disks in a hybrid metal/semiconductor structure. The enhancement of the emission intensity is confirmed by spatially resolved micro-photoluminescence area scans and temperature dependent measurements. Single photon emission from our coupled system is verified via second order autocorrelation measurements. We observe bright single quantum dot emission of up to similar to 173 000 detected photons per second at a repetition rate of the excitation source of 82 MHz, and calculate an extraction efficiency of our device as high as 7%. (C) 2015 AIP Publishing LLC.
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页数：5
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