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Phys. Rev. A 74, 032309 (2006) [5 pages]

Preparation of microwave single-photon states via a superconducting circuit

Yun-Feng Xiao, Xu-Bo Zou, Yong Hu, Zheng-Fu Han, and Guang-Can Guo
Key Laboratory of Quantum Information, University of Science and Technology of China, Hefei 230026, People's Republic of China
Received 7 May 2006; published 12 September 2006

We propose a scheme for preparing a stationary microwave single-photon state of a transmission line resonator via off-resonant interaction with a single superconducting Cooper-pair Box (CPB). It is shown that with the help of an auxiliary microwave field, single-photon state can be persistently produced with high efficiency by using the CPB and cavity loss. The scheme is feasible with the current experimental technology and can be extended to prepare a multiphoton Fock state in a transmission line cavity.

©2006 The American Physical Society

URL: http://link.aps.org/doi/10.1103/PhysRevA.74.032309
DOI: 10.1103/PhysRevA.74.032309
PACS: 03.67.Lx; 42.50.Dv; 32.80.Qk; 85.25.-j
  • 03.67.Lx
    Quantum computation
  • 42.50.Dv
    Nonclassical states of the electromagnetic field, including entangled photon states; quantum state engineering and measurements
  • 32.80.Qk
    Coherent control of atomic interactions with photons
  • 85.25.-j
    Superconducting devices
  • YEAR: 2006
KEYWORDS: quantum optics, quantum computing, information theory, quantum electrodynamics, superconducting devices, Cooper pairs

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