Spontaneous symmetry breaking as a resource for noncritically squeezed light

Details Spontaneous symmetry breaking as a resource for noncritically squeezed light Spontaneous symmetry breaking as a resource for noncritically squeezed light

2010-03-31

arxiv.org/abs/1004.0029v1

Physics

Quantum Physics

Review for the proceedings of SPIE Photonics Europe. 11 pages, 5 figures.

Scientific paper

In the last years we have proposed the use of the mechanism of spontaneous symmetry breaking with the purpose of generating perfect quadrature squeezing. Here we review previous work dealing with spatial (translational and rotational) symmetries, both on optical parametric oscillators and four-wave mixing cavities, as well as present new results. We then extend the phenomenon to the polarization state of the signal field, hence introducing spontaneous polarization symmetry breaking. Finally we propose a Jaynes-Cummings model in which the phenomenon can be investigated at the single-photon-pair level in a non-dissipative case, with the purpose of understanding it from a most fundamental point of view.

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