Compact implementation of the $$\hbox {(SWAP)}^a$$ (SWAP) a gate on diamond nitrogen-vacancy centers coupled to resonators

Compact implementation of the $$\hbox {(SWAP)}^a$$ (SWAP) a gate on diamond... A compact quantum circuit for implementing the $$\hbox {(SWAP)}^a$$ (SWAP) a gate for $$0<a\le 1$$ 0 < a ≤ 1 on two diamond nitrogen-vacancy centers (NV) is designed by using some input–output processes of a single photon. Our proposal is interesting because the $$\hbox {(SWAP)}^a$$ (SWAP) a gate is universal for quantum computing, and the diamond NV center has a long coherence time. Our scheme is compact, and additional electronic qubits are not employed, which beats its synthesis procedure in terms of controlled-not gates and single-qubit rotations largely. Moreover, our scheme is feasible with current experiment technology. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Quantum Information Processing Springer Journals

Compact implementation of the $$\hbox {(SWAP)}^a$$ (SWAP) a gate on diamond nitrogen-vacancy centers coupled to resonators

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Publisher
Springer US
Copyright
Copyright © 2014 by Springer Science+Business Media New York
Subject
Physics; Quantum Information Technology, Spintronics; Quantum Computing; Data Structures, Cryptology and Information Theory; Quantum Physics; Mathematical Physics
ISSN
1570-0755
eISSN
1573-1332
D.O.I.
10.1007/s11128-014-0868-x
Publisher site
See Article on Publisher Site

Abstract

A compact quantum circuit for implementing the $$\hbox {(SWAP)}^a$$ (SWAP) a gate for $$0<a\le 1$$ 0 < a ≤ 1 on two diamond nitrogen-vacancy centers (NV) is designed by using some input–output processes of a single photon. Our proposal is interesting because the $$\hbox {(SWAP)}^a$$ (SWAP) a gate is universal for quantum computing, and the diamond NV center has a long coherence time. Our scheme is compact, and additional electronic qubits are not employed, which beats its synthesis procedure in terms of controlled-not gates and single-qubit rotations largely. Moreover, our scheme is feasible with current experiment technology.

Journal

Quantum Information ProcessingSpringer Journals

Published: Nov 4, 2014

References

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