Spiller, Timothy P., D'Amico, Irene and Lovett, Brendon W. (2007) Entanglement distribution for a practical quantum-dot-based quantum processor architecture. New Journal of Physics. -. ISSN 1367-2630
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Abstract
We propose a quantum dot (QD) architecture for enabling universal quantum information processing. Quantum registers, consisting of arrays of vertically stacked self-assembled semiconductor QDs, are connected by chains of in-plane self-assembled dots. We propose an entanglement distributor, a device for producing and distributing maximally entangled qubits on demand, communicated through in-plane dot chains. This enables the transmission of entanglement to spatially separated register stacks, providing a resource for the realization of a sizeable quantum processor built from coupled register stacks of practical size. Our entanglement distributor could be integrated into many of the present proposals for self-assembled QD- based quantum computation ( QC). Our device exploits the properties of simple, relatively short, spin-chains and does not require microcavities. Utilizing the properties of self-assembled QDs, after distribution the entanglement can be mapped into relatively long-lived spin qubits and purified, providing a flexible, distributed, off-line resource.
| Item Type: | Article |
|---|---|
| Copyright, Publisher and Additional Information: | © IOP Publishing Ltd and Deutsche Physikalische Gesellschaft. Third parties have the same rights to reuse articles in NJP as described in the Creative Commons Attribution-Non-Commercial-ShareAlike 2.5 license. These open access rights allow third-party users to copy, distribute and display the published version of articles in NJP, and create derivative works, subject to appropriate attribution and non-commercial exploitation. |
| Keywords: | COMPUTATION, CRYSTALS, GROWTH, ARRAYS |
| Academic Units: | The University of York > Physics (York) |
| Depositing User: | Ms Diana Hilmer |
| Date Deposited: | 24 Aug 2007 14:36 |
| Last Modified: | 19 Feb 2013 11:36 |
| Published Version: | http://dx.doi.org/10.1088/1367-2630/9/1/020 |
| Status: | Published |
| Refereed: | Yes |
| Related URLs: | |
| URI: | http://eprints.whiterose.ac.uk/id/eprint/2649 |
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