Post-Selected Indistinguishable Photons from the Resonance Fluorescence of a Single Quantum Dot in a Microcavity

被引：224

作者：

Ates, S. ^{[1
]}

Ulrich, S. M. ^{[1
]}

Reitzenstein, S. ^{[2
]}

Loeffler, A. ^{[2
]}

Forchel, A. ^{[2
]}

Michler, P. ^{[1
]}

机构：

[1] Univ Stuttgart, Inst Halbleiteropt & Funkt Grenzflachen, D-70569 Stuttgart, Germany

[2] Univ Wurzburg, D-97074 Wurzburg, Germany

来源：

PHYSICAL REVIEW LETTERS | 2009年 / 103卷 / 16期

关键词：

INTERFERENCE; MOLECULE; DEVICE; PAIRS;

D O I：

10.1103/PhysRevLett.103.167402

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Applying continuous-wave pure resonant s-shell optical excitation of individual quantum dots in a high-quality micropillar cavity, we demonstrate the generation of post-selected indistinguishable photons in resonance fluorescence. Close to ideal visibility contrast of 90% is verified by polarization-dependent Hong-Ou-Mandel two-photon interference measurements. Furthermore, a strictly resonant continuous-wave excitation together with controlling the spontaneous emission lifetime of the single quantum dots via tunable emitter-mode coupling (Purcell) is proven as a versatile scheme to generate close to Fourier transform-limited (T-2/(2T(1)) = 0.91) single photons even at 80% of the emission saturation level.

引用

页数：4

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