Photon filters in a microwave cavity |
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Authors: | J Larson S Stenholm |
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Affiliation: | Physics Department , Royal Institute of Technology, SCFAB , Roslagstullsbacken 21, S-10691, Stockholm, Sweden |
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Abstract: | Abstract In an earlier paper we concluded that time-dependent parameters in the atom-mode interaction can be utilized to modify the quantum field in a cavity. When an atom shoots through the cavity field, it is expected to experience a trigonometric time dependence of its coupling constant. We investigate the possibilities this offers to modify the field. As a point of comparison we use the solvable Rosen-Zener model, which has parameter dependences roughly similar to the ones expected in a real cavity. We do confirm that by repeatedly sending atoms through the cavity, we can obtain filters on the photon states. Highly non-classical states can be obtained. We find that the Rosen-Zener model is more sensitive to the detuning than the case of a trigonometric coupling. |
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