The effect of classical driving field on the spectrum of a qubit and entanglement swapping inside dissipative cavities

In this paper, we study the effect of the classical driving field on the spontaneous emission spectrum of a qubit embedded in a dissipative cavity. Furthermore, we monitor the entanglement dynamics of the driven qubit with its radiative decay under the action of the classical field. Afterward, we ca...

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Bibliographic Details
Published in:Quantum information processing 2020-04, Vol.19 (4), Article 136
Main Authors: Mortezapour, Ali, Nourmandipour, Alireza, Gholipour, Hossein
Format: Article
Language:English
Subjects:
Data Structures and Information Theory
Holes
Mathematical Physics
Physics
Physics and Astronomy
Quantum Computing
Quantum entanglement
Quantum Information Technology
Quantum Physics
Spintronics
Spontaneous emission
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Summary:In this paper, we study the effect of the classical driving field on the spontaneous emission spectrum of a qubit embedded in a dissipative cavity. Furthermore, we monitor the entanglement dynamics of the driven qubit with its radiative decay under the action of the classical field. Afterward, we carry out an investigation on the possibility of entanglement swapping between two such driven qubit systems. The swapping will be feasible with the aid of a Bell state measurement performing on the photons leaving the cavities. It is demonstrated that the classical driving field has a beneficial effect on the prolonging of the swapped entanglement.
ISSN:1570-0755
1573-1332
DOI:10.1007/s11128-020-02634-4