Quantum information processing using quantum dot spins and cavity-QED
| Type of Publication: | Journal article |
| URI (citable link): | http://nbn-resolving.de/urn:nbn:de:bsz:352-opus-91590 |
| Author: | Imamoglu, Atac; Awschalom, David D.; Burkard, Guido; DiVincenzo, David P.; Loss, Daniel; Sherwin, Mark S.; Small, A. |
| Year of publication: | 1999 |
| Published in: | Physical Review Letters ; 83 (1999), 20. - pp. 4204-4207 |
| ArXiv-ID: | arXiv:quant-ph/9904096 |
| DOI (citable link): | https://dx.doi.org/10.1103/PhysRevLett.83.4204 |
| Summary: |
The electronic spin degrees of freedom in semiconductors typically have decoherence times that are several orders of magnitude longer than other relevant timescales. A solid-state quantum computer based on localized electron spins as qubits is therefore of potential interest. Here, a scheme that realizes controlled interactions between two distant quantum dot spins is proposed. The effective long-range interaction is mediated by the vacuum field of a high finesse microcavity. By using conduction-band-hole Raman transitions induced by classical laser fields and the cavity-mode, parallel controlled-not operations and arbitrary single qubit rotations can be realized. Optical techniques can also be used to measure the spin-state of each quantum dot.
|
| Subject (DDC): | 530 Physics |
| Link to License: | Terms of use |
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IMAMOGLU, Atac, David D. AWSCHALOM, Guido BURKARD, David P. DIVINCENZO, Daniel LOSS, Mark S. SHERWIN, A. SMALL, 1999. Quantum information processing using quantum dot spins and cavity-QED. In: Physical Review Letters. 83(20), pp. 4204-4207. Available under: doi: 10.1103/PhysRevLett.83.4204
@article{Imamoglu1999Quant-5261, title={Quantum information processing using quantum dot spins and cavity-QED}, year={1999}, doi={10.1103/PhysRevLett.83.4204}, number={20}, volume={83}, journal={Physical Review Letters}, pages={4204--4207}, author={Imamoglu, Atac and Awschalom, David D. and Burkard, Guido and DiVincenzo, David P. and Loss, Daniel and Sherwin, Mark S. and Small, A.} }
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