Electromagnetically Induced Transparency in Semiconductors via Biexciton Coherence
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- 31 October 2003
- journal article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 91 (18) , 183602
- https://doi.org/10.1103/physrevlett.91.183602
Abstract
We report an experimental demonstration and theoretical analysis of electromagnetically induced transparency in a GaAs quantum well, in which the absorption of an exciton resonance is reduced by more than twentyfold. The destructive quantum interference in this scheme is set up by a control pulse that couples to a resonance of biexcitons. These studies illustrate that many-particle interactions, which are inherent in semiconductors and are often detrimental to quantum coherences, can also be harnessed to manipulate these coherences.Keywords
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