Superlattices and Microstructures, volume 82, pages 143-150
Birefringence in quantum wells of heterostructures In0.68Al0.1Ga0.13As/In0.42Al0.22Ga0.24As/InP
N.N. Syrbu
1
,
A. Dorogan
1
,
V. Dorogan
1
,
V.V. Zalamai
2
1
2
Institute of Applied Physics, Academy of Sciences of Moldova, 5 Academy Street, 2028 Chisinau, Republic of Moldova
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Publication type: Journal Article
Publication date: 2015-06-01
Journal:
Superlattices and Microstructures
wos Q2
SJR: —
CiteScore: —
Impact factor: 3.3
ISSN: 07496036, 10963677
Condensed Matter Physics
General Materials Science
Electrical and Electronic Engineering
Abstract
The polarization dependences of reflection and wavelength modulated reflection spectra of quantum wells In0.68Al0.1Ga0.13As/In0.42Al0.22Ga0.24As were investigated. Spectral dependences of refractive indices, extinction coefficients, real and imaginary parts of dielectric constants of quantum wells structures for different polarizations were calculated by the Kramers–Kronig analysis. A phenomenon of birefringence and an interference of polarized light waves in quantum wells were researched. The isotropic wavelength λ0 = 1.246 μm was found out. Interference spectra changes the density of fringes and refractive indices (Δni, ΔnKK = nР,Р–nS,S) intersect zero axis at energy of isotropic wavelength (0.955 eV).
Found
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