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Spatial adiabatic passage as a quantum wire

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8 Author(s)
Greentree, A.D. ; Centre for Quantum Comput. Technol., Melbourne Univ., Melbourne, VIC ; Jong, L.M. ; Van Donkelaar, J.A. ; Devitt, S.J.
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Qubit transport has been identified as vital in improving quantum error correction thresholds in scalable quantum computer architectures. Introducing practical transport in the solid-state is problematic, but in phosphorus in silicon implementations we have shown an interesting adiabatic protocol for qubit transfer, coherent tunneling adiabatic passage (CTAP). Here we review the role of CTAP as a quantum wire, highlighting the protocol and the temporal scaling as the length of the transport chain is increased. We also highlight an extension of CTAP to generate spatial superposition states which demonstrates some of the flexibility of quantum electronic structures over quantum optical systems.

Published in:

Nanoscience and Nanotechnology, 2008. ICONN 2008. International Conference on

Date of Conference:

25-29 Feb. 2008