Zimmermann, S. and Schedelbeck, Gert and Govorov, A. O. and Wixforth, A. and Kotthaus, J.P. and Bichler, Max and Wegscheider, Werner and Abstreiter, Gerhard
Spatially resolved exciton trapping in a voltage-controlled lateral superlattice.
Applied Physics Letters 73 (2), pp. 154-156.
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With spatially resolved photoluminescence experiments we demonstrate voltage-controlled trapping of excitons in a submicron scale lateral potential superlattice imposed on a semiconductor quantum well. The potential modulation is achieved by two interdigitated field-effect electrodes on top of the sample surface. Both parallel and vertical electric field components strongly modify the optical ...
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