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Proceedings Paper

Unconventional geometric phase gates using two cyclic three-level artificial atoms in a cavity
Author(s): Li-Xin Xia; Fang-Zhou Wu; Qiong-Tao Xie; Yan-Jun Gong
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Paper Abstract

Using two cyclic three-level artificial atoms, we propose a scheme for realizing two-qubit quantum phase gates via an unconventional geometric phase shift in a cavity. In this scheme, the excited states of the two artificial atoms are adiabatically eliminated, and the logical gates' operation only involves their metastable states. Moreover, under certain conditions, the artificial atoms are disentangled with the cavity mode. Thus the gate is insensitive to both the cavity decay and the spontaneous emission of the artificial atoms.

Paper Details

Date Published: 22 July 2010
PDF: 8 pages
Proc. SPIE 7749, 2010 International Conference on Display and Photonics, 774923 (22 July 2010); doi: 10.1117/12.870511
Show Author Affiliations
Li-Xin Xia, Henan Univ. of Science and Technology (China)
Fang-Zhou Wu, Henan Univ. of Science and Technology (China)
Qiong-Tao Xie, Hunan Normal Univ. (China)
Yan-Jun Gong, Hunan Univ. of Science and Engineering (China)


Published in SPIE Proceedings Vol. 7749:
2010 International Conference on Display and Photonics

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