Vacuum Squeezing in Atomic Media via Self-Rotation

Details Vacuum Squeezing in Atomic Media via Self-Rotation Vacuum Squeezing in Atomic Media via Self-Rotation

2001-12-12

arxiv.org/abs/quant-ph/0112072v2

Physical Review A v.66, 043815 (2002).

Physics

Quantum Physics

10 pages, 6 figures; Submitted to PRA

Scientific paper

10.1103/PhysRevA.66.043815

When linearly polarized light propagates through a medium in which elliptically polarized light would undergo self-rotation, squeezed vacuum can appear in the orthogonal polarization. A simple relationship between self-rotation and the degree of vacuum squeezing is developed. Taking into account absorption, we find the optimum conditions for squeezing in any medium that can produce self-rotation. We then find analytic expressions for the amount of vacuum squeezing produced by an atomic vapor when light is near-resonant with a transition between various low-angular-momentum states. Finally, we consider a gas of multi-level Rb atoms, and analyze squeezing for light tuned near the D-lines under realistic conditions.

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