Transforming squeezed light into large amplitude Schrödinger cat states

Details Transforming squeezed light into large amplitude Schrödinger cat states Transforming squeezed light into large amplitude Schrödinger cat states

2007-08-14

arxiv.org/abs/0708.1956v1

Phys. Rev. A 76, 043840 (2007)

Physics

Quantum Physics

6 pages, 4 figures

Scientific paper

10.1103/PhysRevA.76.043840

A quantum superposition of two coherent states of light, a so-called Schr\"odinger cat, or kitten, state, with small amplitude can be obtained by subtracting a photon from a squeezed vacuum state. In experiments this preparation can be made conditioned on the detection of a photon in the field from a squeezed light source. We propose and analyze an extended measurement strategy which allows generation of high fidelity cat states with larger coherent amplitude.

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