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Atoms 2015, 3(3), 339-347; doi:10.3390/atoms3030339

Influence of Virtual Photon Process on the Generation of Squeezed Light from Atoms in an Optical Cavity

School of Physical Sciences, Jawaharlal Nehru University, New Delhi-110067, India
Academic Editors: Jonathan Goldwin and Duncan O’Dell
Received: 8 May 2015 / Accepted: 22 July 2015 / Published: 24 July 2015
(This article belongs to the Special Issue Cavity Quantum Electrodynamics with Ultracold Atoms)
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Abstract

We show that a collection of two-level atoms in an optical cavity beyond the rotating wave approximation and in the dispersive-adiabatic and non-dispersive adiabatic regime constitutes a nonlinear medium and is capable of generating squeezed state of light. It is found that squeezing produced in the non-dispersive adiabatic regime is significantly high compared to that produced in the dispersive-adiabatic limit. On the other hand, we also show that it could be possible to observe the Dicke superradiant quantum phase transition in the dispersive-adiabatic regime where the Ã2 term is negligible. Such a system can be an essential component of a larger quantum-communication system. View Full-Text
Keywords: optical cavity; two-level atom; squeezed state optical cavity; two-level atom; squeezed state
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Bhattacherjee, A.B. Influence of Virtual Photon Process on the Generation of Squeezed Light from Atoms in an Optical Cavity. Atoms 2015, 3, 339-347.

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