Optical control of a quantum rotor

L. F. Buchmann; H. Jing; C. Raman; P. Meystre

doi:10.1103/PhysRevA.87.031601

Optical control of a quantum rotor

L. F. Buchmann, H. Jing, C. Raman, P. Meystre

Physics

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

9 Scopus citations

Abstract

The possibility to coherently control a quantum rotor is investigated theoretically. The rotor is realized by an antiferromagnetic spin-1 Bose-Einstein condensate, trapped in the optical field of a Fabry-Pérot resonator. By tuning the pumping field of the resonator, coherent control over the rotor is achieved. The technique is illustrated by the numerical simulation of a protocol that transforms the rotor's ground state into a squeezed state. The detection of the squeezed state via measurement of intensity correlations of the cavity field is proposed.

Original language	English (US)
Article number	031601
Journal	Physical Review A - Atomic, Molecular, and Optical Physics
Volume	87
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevA.87.031601
State	Published - Mar 8 2013

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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10.1103/PhysRevA.87.031601

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AB - The possibility to coherently control a quantum rotor is investigated theoretically. The rotor is realized by an antiferromagnetic spin-1 Bose-Einstein condensate, trapped in the optical field of a Fabry-Pérot resonator. By tuning the pumping field of the resonator, coherent control over the rotor is achieved. The technique is illustrated by the numerical simulation of a protocol that transforms the rotor's ground state into a squeezed state. The detection of the squeezed state via measurement of intensity correlations of the cavity field is proposed.

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