Photon correlation in GaAs self-assembled quantum dots

被引：24

作者：

Kuroda, Takashi ^{[1
,2
]}

Abbarchi, Marco ^{[1
,4
,5
]}

Mano, Takaaki ^{[1
]}

Watanabe, Kenji ^{[1
]}

Yamagiwa, Masakazu ^{[1
]}

Kuroda, Keiji ^{[1
]}

Sakoda, Kazuaki ^{[1
]}

Kido, Giyuu ^{[1
]}

Koguchi, Nobuyuki ^{[1
]}

Mastrandrea, Carmine ^{[4
,5
]}

Cavigli, Lucia ^{[4
,5
]}

Gurioli, Massimo ^{[4
,5
]}

Ogawa, Yoshihiro ^{[3
]}

Minami, Fujio ^{[3
]}

机构：

[1] Natl Inst Mat Sci, Tsukuba, Ibaraki 3050044, Japan

[2] Japan Sci & Technol Agcy, PRESTO, Kawaguchi, Saitama 3320012, Japan

[3] Tokyo Inst Technol, Dept Phys, Meguro Ku, Tokyo 1528551, Japan

[4] Univ Florence, Dipartimento Fis, I-50019 Florence, Italy

[5] Univ Florence, European Lab Non Linear Spectroscopy, I-50019 Florence, Italy

来源：

APPLIED PHYSICS EXPRESS | 2008年 / 1卷 / 04期

关键词：

D O I：

10.1143/APEX.1.042001

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report on photon coincidence measurement in a single GaAs self-assembled quantum dot (QD) using a pulsed excitation light source. At low excitation, when a neutral exciton line was present in the photoluminescence (PL) spectrum, we observed nearly perfect single photon emission from an isolated OD at 670 nm wavelength. For higher excitation, multiple PL lines appeared on the spectra, reflecting the formation of exciton complexes. Cross-correlation functions between these lines showed either bunching or antibunching behavior, depending on whether the relevant emission was from a biexciton cascade or a charged exciton recombination. (C) 2008 The Japan Society of Applied Physics.

引用

页码：0420011 / 0420013

页数：3

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