AlGaAs

Fotónica y nanotecnología
In this paper we deal with the intimate connection between photonics and nanotechnology. We will briefly review the optical methods to …
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Electric Field Enhancement of the Rabi Splitting in a Superlattice-Microcavity System
We have observed a large coupling between the photonic mode of a microcavity and Stark-localized excitons from a superlattice embedded …
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Excitonic effects in the miniband formation of graded-gap superlattices
The formation of an electron miniband has been investigated in two differently realized graded-gap superlattices (SL’s). The …
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Wannier-Stark localization and Bloch oscillations
This chapter discusses the effects of an electric field on the electronic and optical properties of semiconductor superlattices. Here …
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Wannier-Stark localization and Bloch oscillations
Miniband formation at finite electric fields in a graded-gap superlattice
We have investigated a graded-gap superlattice with differential photocurrent spectroscopy at 77 K. The lowest conduction subband …
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Temperature Dependence of the Electronic Coherence of GaAs-GaAlAs Superlattices
We have shown that the coherence length of electrons in a 55-Å-period GaAs-GaAlAs superlattice does not depend strongly on temperature …
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Optical properties of quantum wells and superlattices under electric fields
We review the effects of a longitudinal electric field on the optical properties of semiconductor quantum wells and superlattices, …
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Quantum coherence in semiconductor superlattices
Phys. Rev. B 40, 1357(R) (1989)
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Quantum coherence in semiconductor superlattices
Doubly Resonant Raman Scattering Induced by an Electric Field
Phys. Rev. B 38, 12720–12723 (1988)
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Doubly Resonant Raman Scattering Induced by an Electric Field
Stark Localization in GaAs-GaAlAs Superlattices under an Electric Field
Phys. Rev. Lett. 60, 2426–2429 (1988)
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Stark Localization in GaAs-GaAlAs Superlattices under an Electric Field