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Resonant Bragg reflection from quantum-well structures

✍ Scribed by E.L. Ivchenko; A.I. Nesvizhskii; S. Jorda

Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
154 KB
Volume
16
Category
Article
ISSN
0749-6036

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✦ Synopsis

The resonant spectra of light reflected and transmitted by a heterostructure with a finite system of equidistant quantum wells have been calculated. Recurrence relations have been derived connecting the amplitude reflection coefficients from (N) and (N-2) quantum wells, and analytical properties of the reflection coefficient as a function of the complex frequency (\omega) have been established. A method has been proposed which allows one to find complex frequencies of coupled exciton-photon nonstationary modes, or exciton-polaritons. It has been shown that the resonant Bragg structures represent a particular case where among (N) eigenmodes only one is radiative.

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The electronic structure of the perturbe
The electronic structure of the perturbed superlattice: the case of Bragg-confined double quantum well resonant structures
✍ D. Indjin; V. MilanoviΔ‡; Z. IkoniΔ‡ πŸ“‚ Article πŸ“… 1998 πŸ› Elsevier Science 🌐 English βš– 341 KB

The electronic structure of a perturbed superlattice of the Bragg-confined resonant structure type is discussed within the effective mass approximation. Expressions for bound-state energies and wavefunctions in these structures are derived in general form, valid for any symmetric form of the potenti