Single quantum dot controlled lasing effects in high-Q micropillar cavities

被引：63

作者：

Reitzenstein, S. ^{[1
]}

Boeckler, C. ^{[1
]}

Bazhenov, A. ^{[1
,2
]}

Gorbunov, A. ^{[1
,2
]}

Loeffler, A. ^{[1
]}

Kamp, M. ^{[1
]}

Kulakovskii, V. D. ^{[2
]}

Forchel, A. ^{[1
]}

机构：

[1] Univ Wurzburg, Wurzburg, Germany

[2] Russian Acad Sci, Inst Solid State Phys, Chernogolovka 142432, Russia

来源：

OPTICS EXPRESS | 2008年 / 16卷 / 07期

关键词：

D O I：

10.1364/OE.16.004848

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Lasing effects based on individual quantum dots have been investigated in optically pumped high-Q micropillar cavities. We demonstrate a lowering of the threshold pump power from a off-resonance value of 37 mu W to 18 mu W when an individual quantum dot exciton is on-resonance with the cavity mode. Photon correlation studies below and above the laser threshold confirm the single dot influence. At resonance we observe antibunching with g((2))(0) = 0.36 at low excitation, which increases to 1 at about 1.5 times the threshold. In the off-resonant case, g((2))(0) is about 1 below and above threshold. (c) 2008 Optical Society of America.

引用

页码：4848 / 4857

页数：10

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