electro-optical

Local origin of photocurrent in semiconductor superlattices
To trace the origin of photocurrent (PC) in semiconductor superlatices, we have studied the PC spectra as a function of the applied …
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Change in dimensionality of superlattice excitons induced by an electric field
We have observed an electric-field-induced change in the dimensionality of excitons in superlattices, from three to quasi-two …
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Coherence and localization in semiconductor superlattices under electric fields
Using optical techniques, we have demonstrated that the quantum coherence of electron states in GaAs/GaAlAs superlattices under …
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Interactions between extended and localized states in superlattices
We have observed electric-field-induced interactions between the extended states of a (40 Å)-(15 Å) GaAs-Ga0.65Al0.35As superlattice …
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