Controlling Polarization of 1.55-μm Columnar InAs Quantum Dots with Highly Tensile-Strained InGaAsP Barriers on InP(001)
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概要
- 論文の詳細を見る
The optical polarization properties of columnar InAs quantum dots (QDs) on InP substrate grown by metalorganic vapor-phase epitaxy were investigated. The polarization of photoluminescence was found to strongly depend on the strain in QDs as well as the shape of QDs. We successfully changed the polarization properties from a transverse-electric-dominant to a transverse-magnetic-dominant regime by controlling the height of coupled QDs based on the stacking number and by controlling strain within QDs based on the thickness of 3.7%-tensile-strained barriers. Highly strained side barriers were required to change the polarization of QDs, which is considered to be due to wetting layers acting in maintaining biaxial-compressive strain in QDs. Polarization-insensitive QDs with the 1.55-μm telecom region were obtained, which promises to provide polarization-insensitive semiconductor optical amplifiers.
- Japan Society of Applied Physicsの論文
- 2006-12-25
著者
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Ebe Hiroji
Nanoelectronics Collaborative Research Center (ncrc) Institute Of Industrial Science (iis) The Unive
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Akiyama Tomoyuki
Qd Laser Inc.
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YASUOKA Nami
Fujitsu Limited and Fujitsu Laboratories, Limited
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Arakawa Yasuhiko
Nanoelectronics Collaborative Research Center (ncrc) Institute Of Industrial Science (iis) The Unive
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Sugawara Mitsuru
Fujitsu Laboratories Ltd.
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Ekawa Mitsuru
Fujitsu Laboratories Ltd.
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Ebe Hiroji
Nanoelectronics Collaborative Research Center (NCRC), Institute of Industrial Science (IIS), The University of Tokyo, 4-6-1 Komaba, Meguro-ku, Tokyo 153-8505, Japan
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Kawaguchi Kenichi
Fujitsu and Fujitsu Laboratories Ltd., 10-1 Morinosato-Wakamiya, Atsugi, Kanagawa 243-0197, Japan
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Kawaguchi Kenichi
Fujitsu Limited and Fujitsu Laboratories, Limited, 10-1 Morinosato-Wakamiya, Atsugi, Kanagawa 243-0197, Japan
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Yasuoka Nami
Fujitsu and Fujitsu Laboratories Ltd., 10-1 Morinosato-Wakamiya, Atsugi, Kanagawa 243-0197, Japan
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Yasuoka Nami
Fujitsu Limited and Fujitsu Laboratories, Limited, 10-1 Morinosato-Wakamiya, Atsugi, Kanagawa 243-0197, Japan
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Sugawara Mitsuru
Fujitsu and Fujitsu Laboratories Ltd., 10-1 Morinosato-Wakamiya, Atsugi, Kanagawa 243-0197, Japan
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Ekawa Mitsuru
Fujitsu and Fujitsu Laboratories Ltd., 10-1 Morinosato-Wakamiya, Atsugi, Kanagawa 243-0197, Japan
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Ekawa Mitsuru
Fujitsu Limited and Fujitsu Laboratories, Limited, 10-1 Morinosato-Wakamiya, Atsugi, Kanagawa 243-0197, Japan
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Sugawara Mitsuru
Fujitsu Limited and Fujitsu Laboratories, Limited, 10-1 Morinosato-Wakamiya, Atsugi, Kanagawa 243-0197, Japan
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Akiyama Tomoyuki
QD Laser Inc., 1-14-17 Kudankita, Chiyoda-ku, Tokyo 102-0073, Japan
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