Zimmermann, S. and Govorov, A. O. and Wixforth, A. and Rocke, C. and Hansen, W. and Kotthaus, J.P. and Bichler, Max and Wegscheider, Werner
Voltage-controlled trapping of excitons and “storage of light” in lateral superlattices.
Physica E Low-dimensional Systems and Nanostructures 2 (1-4), p. 36.
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Voltage-controlled lateral superlattices of various periods are employed to demonstrate the trapping of photogenerated excitons in quasi-one-dimensional regions and to store light in form of ionised excitons in the quantum well of a semiconductor heterostructure. The superlattices are induced by applying spatially alternating external voltages via interdigitated metal gates. Exciton localisation ...
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