Presentation 2008-11-28
Theoretical Calculations of Polarization Properties in InGaN Quantum Wells on Non-C (Al)InGaN Alloy Substrates
A. Atsushi YAMAGUCHI,
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Abstract(in English) Polarization properties in InGaN quantum wells on non-C AlInGaN alloy substrates are theoretically investigated. It is shown that the polarization direction of quantum-well emission switches depending on the substrate alloy composition, substrate orientation and quantum well width, and that these polarization switches are caused by the strain anisotropy and quantum confinement effects in the quantum wells. On the basis of the calculation results, it is predicted that the utilization of InGaN or AlInGaN alloy substrates is beneficial to obtain desirable polarization properties for the formation of cleaved-facet cavity mirrors in laser diodes on non-C substrates.
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Keyword(in English) optical anisotropy / polarization properties / InGaN quantum wells / alloy substrates / valence band / strain
Paper # ED2008-172,CPM2008-121,LQE2008-116
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Committee ED
Conference Date 2008/11/20(1days)
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Language JPN
Title (in Japanese) (See Japanese page)
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Title (in English) Theoretical Calculations of Polarization Properties in InGaN Quantum Wells on Non-C (Al)InGaN Alloy Substrates
Sub Title (in English)
Keyword(1) optical anisotropy
Keyword(2) polarization properties
Keyword(3) InGaN quantum wells
Keyword(4) alloy substrates
Keyword(5) valence band
Keyword(6) strain
1st Author's Name A. Atsushi YAMAGUCHI
1st Author's Affiliation Research Laboratory for Integrated Technological Systems, Kanazawa Institute of Technology()
Date 2008-11-28
Paper # ED2008-172,CPM2008-121,LQE2008-116
Volume (vol) vol.108
Number (no) 321
Page pp.pp.-
#Pages 6
Date of Issue