Observation of interdot correlation in single pair of electromagnetically coupled quantum dots

Shohgo Yamauchi; Kazuhiro Komori; Isao Morohashi; Keishiro Goshima; Takeyoshi Sugaya; Toshihide Takagahara

doi:10.1063/1.2120910

Observation of interdot correlation in single pair of electromagnetically coupled quantum dots

Shohgo Yamauchi, Kazuhiro Komori, Isao Morohashi, Keishiro Goshima, Takeyoshi Sugaya, Toshihide Takagahara

研究成果: Article › 査読

17 被引用数 (Scopus)

抄録

The interdot correlation in a single pair of InAsGaAs barrier-coupled quantum dots (QDs) is investigated by microphotoluminescence spectroscopy, in which each QD is individually excited at unique energy levels. Surprisingly, we observe an anomalous increase in the luminescence intensity when the two QDs are excited simultaneously. This remarkable finding can be interpreted in terms of the electromagnetic coupling between QDs with thick barrier layers.

本文言語	English
論文番号	182103
ページ（範囲）	1-3
ページ数	3
ジャーナル	Applied Physics Letters
巻	87
号	18
DOI	https://doi.org/10.1063/1.2120910
出版ステータス	Published - 2005 10月 31
外部発表	はい

ASJC Scopus subject areas

物理学および天文学（その他）

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10.1063/1.2120910

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AU - Komori, Kazuhiro

AU - Morohashi, Isao

AU - Goshima, Keishiro

AU - Sugaya, Takeyoshi

AU - Takagahara, Toshihide

PY - 2005/10/31

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AB - The interdot correlation in a single pair of InAsGaAs barrier-coupled quantum dots (QDs) is investigated by microphotoluminescence spectroscopy, in which each QD is individually excited at unique energy levels. Surprisingly, we observe an anomalous increase in the luminescence intensity when the two QDs are excited simultaneously. This remarkable finding can be interpreted in terms of the electromagnetic coupling between QDs with thick barrier layers.

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Observation of interdot correlation in single pair of electromagnetically coupled quantum dots

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