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A Semiconductor-Based Photonic Memory Cell

Zimmermann, S. ; Wixforth, A. ; Kotthaus, J.P. ; Wegscheider, Werner ; Bichler, Max
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Date of publication of this fulltext: 09 Nov 2009 13:28


Abstract

Photonic signals were efficiently stored in a semiconductor-based memory cell. The incident photons were converted to electron-hole pairs that were locally stored in a quantum well that was laterally modulated by a field-effect tunable electrostatic superlattice. At large superlattice potential amplitudes, these pairs were stored for a time that was at least five orders of magnitude longer than ...

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