Strong photoabsorption by a single-quantum wire in waveguide-transmission spectroscopy

Yasushi Takahashi; Yuhei Hayamizu; Hirotake Itoh; Masahiro Yoshita; Hidefumi Akiyama; Loren N. Pfeiffer; Ken W. West

doi:10.1063/1.1947902

Strong photoabsorption by a single-quantum wire in waveguide-transmission spectroscopy

Yasushi Takahashi, Yuhei Hayamizu, Hirotake Itoh, Masahiro Yoshita, Hidefumi Akiyama, Loren N. Pfeiffer, Ken W. West

Research output: Contribution to journal › Article › peer-review

12 Citations (Scopus)

Abstract

We measured the absorption spectrum of a single T-shaped 14×6 nm lateral-sized quantum wire embedded in an optical waveguide using waveguide-transmission spectroscopy at 5 K. In spite of its small volume, the one-dimensional-exciton ground state shows a large absorption coefficient of 80 cm-1, or a 98% absorption probability for a single pass of the 500 μm long waveguide.

Original language	English
Article number	243101
Pages (from-to)	1-3
Number of pages	3
Journal	Applied Physics Letters
Volume	86
Issue number	24
DOIs	https://doi.org/10.1063/1.1947902
Publication status	Published - 2005 Jun 13
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1063/1.1947902

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abstract = "We measured the absorption spectrum of a single T-shaped 14×6 nm lateral-sized quantum wire embedded in an optical waveguide using waveguide-transmission spectroscopy at 5 K. In spite of its small volume, the one-dimensional-exciton ground state shows a large absorption coefficient of 80 cm-1, or a 98% absorption probability for a single pass of the 500 μm long waveguide.",

author = "Yasushi Takahashi and Yuhei Hayamizu and Hirotake Itoh and Masahiro Yoshita and Hidefumi Akiyama and Pfeiffer, {Loren N.} and West, {Ken W.}",

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AU - Takahashi, Yasushi

AU - Hayamizu, Yuhei

AU - Itoh, Hirotake

AU - Yoshita, Masahiro

AU - Akiyama, Hidefumi

AU - Pfeiffer, Loren N.

AU - West, Ken W.

N1 - Funding Information: This work was partly supported by a Grant-in-Aid from the Ministry of Education, Culture, Sports, Science, and Technology, Japan.

PY - 2005/6/13

Y1 - 2005/6/13

N2 - We measured the absorption spectrum of a single T-shaped 14×6 nm lateral-sized quantum wire embedded in an optical waveguide using waveguide-transmission spectroscopy at 5 K. In spite of its small volume, the one-dimensional-exciton ground state shows a large absorption coefficient of 80 cm-1, or a 98% absorption probability for a single pass of the 500 μm long waveguide.

AB - We measured the absorption spectrum of a single T-shaped 14×6 nm lateral-sized quantum wire embedded in an optical waveguide using waveguide-transmission spectroscopy at 5 K. In spite of its small volume, the one-dimensional-exciton ground state shows a large absorption coefficient of 80 cm-1, or a 98% absorption probability for a single pass of the 500 μm long waveguide.

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Strong photoabsorption by a single-quantum wire in waveguide-transmission spectroscopy

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