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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Grover Swartzlander
  • Vol. 31, Iss. 1 — Jan. 1, 2014
  • pp: 67–74

Hyperentanglement concentration for n-photon 2n-qubit systems with linear optics

Ming-Xing Luo, Xiu-Bo Chen, Yi-Xian Yang, Zhi-Guo Qu, and Xiaojun Wang  »View Author Affiliations


JOSA B, Vol. 31, Issue 1, pp. 67-74 (2014)
http://dx.doi.org/10.1364/JOSAB.31.000067


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Abstract

Hyperentanglement involves multiple degrees of freedom of a quantum system and has attracted a lot of attention recently because of its high efficiency in quantum applications. We propose some practical schemes using linear optics for partially entangled n-photon 2n-qubit systems with spatial and polarization degrees of freedom. The states involved are not equivalent to the general Bell states or GHz states under local quantum operations and classical communication. Our schemes are based on the parameter-splitting method, which can change different entanglement coefficients into equal coefficients. They are very efficient and practical as they use only linear-optical elements and do not require nonlinear optics.

© 2013 Optical Society of America

OCIS Codes
(270.0270) Quantum optics : Quantum optics
(270.5565) Quantum optics : Quantum communications

ToC Category:
Quantum Optics

History
Original Manuscript: September 5, 2013
Revised Manuscript: November 12, 2013
Manuscript Accepted: November 13, 2013
Published: December 11, 2013

Citation
Ming-Xing Luo, Xiu-Bo Chen, Yi-Xian Yang, Zhi-Guo Qu, and Xiaojun Wang, "Hyperentanglement concentration for n-photon 2n-qubit systems with linear optics," J. Opt. Soc. Am. B 31, 67-74 (2014)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-31-1-67


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