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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. 30, Iss. 11 — Nov. 1, 2013
  • pp: 2875–2881

Tripartite entanglement of microwave radiation via nonlinear parametric interactions enhanced by quantum interference in superconducting quantum circuits

Guang-ling Cheng, Ai-xi Chen, and Wen-xue Zhong  »View Author Affiliations


JOSA B, Vol. 30, Issue 11, pp. 2875-2881 (2013)
http://dx.doi.org/10.1364/JOSAB.30.002875


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Abstract

We present an efficient scheme for generating the tripartite continuous variable entanglement of microwave radiation in a Δ-type three-level artificial atom placed in a transmission line resonator, simultaneously driven resonantly by two strong electromagnetic fields. We show that it is possible to obtain the full tripartite entanglement with the different frequencies in the presence of atom and cavity decays. In our scheme, interestingly, the nonlinear process of simultaneous parametric downconversion and upconversion interactions between microwave modes can be achieved via quantum interference induced by two classical fields and can be greatly enhanced under the condition of resonant driving of the two classical fields. Such a nonlinear interaction is responsible for the generation of the strong tripartite entanglement among three microwave modes. In practice, the system considered here could offer an alternative for implementing the scalable information processing in the solid-state system.

© 2013 Optical Society of America

OCIS Codes
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
(270.1670) Quantum optics : Coherent optical effects
(270.2500) Quantum optics : Fluctuations, relaxations, and noise

ToC Category:
Quantum Optics

History
Original Manuscript: July 23, 2013
Revised Manuscript: August 25, 2013
Manuscript Accepted: September 17, 2013
Published: October 11, 2013

Citation
Guang-ling Cheng, Ai-xi Chen, and Wen-xue Zhong, "Tripartite entanglement of microwave radiation via nonlinear parametric interactions enhanced by quantum interference in superconducting quantum circuits," J. Opt. Soc. Am. B 30, 2875-2881 (2013)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-30-11-2875

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