Real-space mapping of exciton wave function in a GaAs quantum dot by near-field optical imaging spectroscopy

Kazunari Matsuda; Toshiharu Saiki; Shintaro Nomura; Masaru Mihara; Yoshinobu Aoyagi

doi:10.1002/pssb.200303039

Real-space mapping of exciton wave function in a GaAs quantum dot by near-field optical imaging spectroscopy

Kazunari Matsuda, Toshiharu Saiki, Shintaro Nomura, Masaru Mihara, Yoshinobu Aoyagi

電気情報工学科

研究成果: Article › 査読

抄録

We describe near-field photoluminescence imaging spectroscopy of a single naturally occurring GaAs quantum dot in a narrow quantum well. A spatial mapping of the center-of-mass wave function of the exciton state in the quantum dot is demonstrated due to the realization of a high spatial resolution (30 nm) of imaging spectroscopy and the selection of a large quantum dot (100 nm). We observe an elongation along the [110] crystal axis of the wave function in the exciton state.

本文言語	English
ページ（範囲）	285-288
ページ数	4
ジャーナル	Physica Status Solidi (B) Basic Research
巻	238
号	2
DOI	https://doi.org/10.1002/pssb.200303039
出版ステータス	Published - 2003 7

ASJC Scopus subject areas

電子材料、光学材料、および磁性材料
凝縮系物理学

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10.1002/pssb.200303039

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author = "Kazunari Matsuda and Toshiharu Saiki and Shintaro Nomura and Masaru Mihara and Yoshinobu Aoyagi",

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AU - Matsuda, Kazunari

AU - Saiki, Toshiharu

AU - Nomura, Shintaro

AU - Mihara, Masaru

AU - Aoyagi, Yoshinobu

PY - 2003/7

Y1 - 2003/7

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Real-space mapping of exciton wave function in a GaAs quantum dot by near-field optical imaging spectroscopy

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