Special Section on Optics, Spectroscopy, and Nanophotonics of Quantum Dots

Optical properties of narrow band prolate ellipsoidal quantum layers ensemble

[+] Author Affiliations
Davit A. Baghdasaryan, Eduard M. Kazaryan

Russian-Armenian University, 123 Hovsep Emin Street, Yerevan 0051, Armenia

David B. Hayrapetyan

Russian-Armenian University, 123 Hovsep Emin Street, Yerevan 0051, Armenia

Yerevan State University, Centre of Quantum Technologies and New Materials, 1 A. Manoogian Street, Yerevan 0025, Armenia

J. Nanophoton. 10(3), 033508 (Mar 07, 2016). doi:10.1117/1.JNP.10.033508
History: Received November 20, 2015; Accepted February 16, 2016
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Abstract.  Electronic states and direct interband light absorption in the ensemble of prolate spheroidal quantum layers are considered. The problem of finding the one-electron wave function and energy spectrum have been solved exactly. Absorption edge dependence on the thickness of the layer in the strong size quantization regime has been obtained. The effect of nonparabolicity of the dispersion law of energy levels and optical absorption have been taken into account and calculations are carried out for the cases of both parabolic and Kane’s dispersion laws. Selection rules have been revealed. Absorption coefficient dependence on the frequency of incident light has been obtained, taking into account dispersion of nanolayer thicknesses for the cases of both symmetric and asymmetric distribution functions.

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© 2016 Society of Photo-Optical Instrumentation Engineers

Citation

Davit A. Baghdasaryan ; David B. Hayrapetyan and Eduard M. Kazaryan
"Optical properties of narrow band prolate ellipsoidal quantum layers ensemble", J. Nanophoton. 10(3), 033508 (Mar 07, 2016). ; http://dx.doi.org/10.1117/1.JNP.10.033508


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