Cavity QED quantum phase gates for a single longitudinal mode of the intracavity field

R. García-Maraver; R. Corbalán; K. Eckert; S. Rebić; M. Artoni; J. Mompart

doi:https://doi.org/10.1103/PhysRevA.70.062324

Cavity QED quantum phase gates for a single longitudinal mode of the intracavity field

R. García-Maraver, R. Corbalán, K. Eckert, S. Rebić, M. Artoni, J. Mompart

Department of Physics

Research output: Contribution to journal › Article › Research › peer-review

31 Citations (Scopus)

Abstract

A cavity quantum electrohydrodynamic (CQED) method for intracavity field was developed. The method used a single-three level atom driven by a longitudnal mode of a high-Q cavity to implement two-qubit quantum phase gates (QPG) for the intracavity field. It was found that QPG realizations with fidelities above 0.99 could be achieved. The results show that gate times of around 0.1 ms for the microwave regime and a few microseconds for the optical regime can be attained which lie below achievable photon lifetimes in high-Q cavities.

Original language	English
Article number	062324
Journal	Physical Review A - Atomic, Molecular, and Optical Physics
Volume	70
DOIs	https://doi.org/10.1103/PhysRevA.70.062324
Publication status	Published - 1 Dec 2004

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abstract = "A cavity quantum electrohydrodynamic (CQED) method for intracavity field was developed. The method used a single-three level atom driven by a longitudnal mode of a high-Q cavity to implement two-qubit quantum phase gates (QPG) for the intracavity field. It was found that QPG realizations with fidelities above 0.99 could be achieved. The results show that gate times of around 0.1 ms for the microwave regime and a few microseconds for the optical regime can be attained which lie below achievable photon lifetimes in high-Q cavities.",

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AU - Rebić, S.

AU - Artoni, M.

AU - Mompart, J.

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AB - A cavity quantum electrohydrodynamic (CQED) method for intracavity field was developed. The method used a single-three level atom driven by a longitudnal mode of a high-Q cavity to implement two-qubit quantum phase gates (QPG) for the intracavity field. It was found that QPG realizations with fidelities above 0.99 could be achieved. The results show that gate times of around 0.1 ms for the microwave regime and a few microseconds for the optical regime can be attained which lie below achievable photon lifetimes in high-Q cavities.

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