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Polarization dependence of optical absorption and emission in quantum wires

Sercel, Peter C. and Vahala, Kerry J. (1991) Polarization dependence of optical absorption and emission in quantum wires. Physical Review B, 44 (11). pp. 5681-5691. ISSN 0163-1829. doi:10.1103/PhysRevB.44.5681.

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The polarization dependence of absorption and emission spectra in cylindrical quantum wires is studied using a formulation of multiband envelope-function theory in a representation of cylindrical Bloch waves. The work presented is an analysis of the optical properties of quantum wires, which includes band-coupling effects. Contrary to the assumptions employed in previous studies, the valence states involved in these transitions are a strong admixture of light- and heavy-hole character. Band-coupling effects are therefore essential to understanding valence-subband dispersion and density of states, the energy dependence of interband optical-transition matrix elements, and polarization anisotropies. Analytical expressions are derived for the polarization dependence of optical matrix elements, and hence, optical-absorption and emission spectra. Applicability of the results derived for cylindrical quantum wires to the case of wires with lower symmetry is discussed.

Item Type:Article
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URLURL TypeDescription
Sercel, Peter C.0000-0002-1734-3793
Vahala, Kerry J.0000-0003-1783-1380
Additional Information:©1991 The American Physical Society Received 17 January 1991 This work was supported by grants from the National Science Foundation and the Office of Naval Research. P.S. gratefully acknowledges support received from the National Science Foundation.
Issue or Number:11
Record Number:CaltechAUTHORS:SERprb91
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:6321
Deposited By: Archive Administrator
Deposited On:01 Dec 2006
Last Modified:08 Nov 2021 20:33

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