Specific features in reflectance and absorbance spectra of one-dimensional resonant photonic crystals

被引:0
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作者
M. M. Voronov
E. L. Ivchenko
V. A. Kosobukin
A. N. Poddubnyĭ
机构
[1] Russian Academy of Sciences,Ioffe Physicotechnical Institute
来源
Physics of the Solid State | 2007年 / 49卷
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73.21.Fg; 78.67.De; 71.35.-y;
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摘要
The optical spectra of resonant Bragg and quasi-Bragg quantum-well structures are studied theoretically. The existence of special frequencies in the reflectance and absorbance spectra at which the reflectance or absorbance does not depend on the number of quantum wells in a structure is explained analytically. It is shown that the reflectance and absorbance spectra of structures in which the quantum-well width substantially exceeds the exciton Bohr radius also contain special frequencies and that the smooth spectral component is determined primarily by the interaction of the light wave with the quantum-well ground-state exciton.
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页码:1792 / 1802
页数:10
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