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Spiller, Timothy P.; D'Amico, Irene; Lovett, Brendon W. (2007)
Journal: NEW JOURNAL OF PHYSICS
Languages: English
Types: Article
Subjects: 3100

Classified by OpenAIRE into

ACM Ref: TheoryofComputation_GENERAL
arxiv: Quantum Physics
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. © IOP Publishing Ltd and Deutsche Physikalische Gesellschaft.
  • The results below are discovered through our pilot algorithms. Let us know how we are doing!

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