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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 10 — May. 20, 2013
  • pp: 12484–12494

Physical optimization of quantum error correction circuits with spatially separated quantum dot spins

Hong-Fu Wang, Ai-Dong Zhu, and Shou Zhang  »View Author Affiliations

Optics Express, Vol. 21, Issue 10, pp. 12484-12494 (2013)

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We propose an efficient protocol for optimizing the physical implementation of three-qubit quantum error correction with spatially separated quantum dot spins via virtual-photon-induced process. In the protocol, each quantum dot is trapped in an individual cavity and each two cavities are connected by an optical fiber. We propose the optimal quantum circuits and describe the physical implementation for correcting both the bit flip and phase flip errors by applying a series of one-bit unitary rotation gates and two-bit quantum iSWAP gates that are produced by the long-range interaction between two distributed quantum dot spins mediated by the vacuum fields of the fiber and cavity. The protocol opens promising perspectives for long distance quantum communication and distributed quantum computation networks.

© 2013 OSA

OCIS Codes
(270.5580) Quantum optics : Quantum electrodynamics
(270.5585) Quantum optics : Quantum information and processing

ToC Category:
Quantum Optics

Original Manuscript: March 4, 2013
Revised Manuscript: April 23, 2013
Manuscript Accepted: April 23, 2013
Published: May 14, 2013

Hong-Fu Wang, Ai-Dong Zhu, and Shou Zhang, "Physical optimization of quantum error correction circuits with spatially separated quantum dot spins," Opt. Express 21, 12484-12494 (2013)

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