Atomic quantum superposition state generation via optical probing

Details Atomic quantum superposition state generation via optical probing Atomic quantum superposition state generation via optical probing

2008-12-21

arxiv.org/abs/0812.4048v1

Phys. Rev. A 79, 023841 (2009) .

Physics

Quantum Physics

10 pages, 9 figures

Scientific paper

10.1103/PhysRevA.79.023841

We analyze the performance of a protocol to prepare an atomic ensemble in a superposition of two macroscopically distinguishable states. The protocol relies on conditional measurements performed on a light field, which interacts with the atoms inside an optical cavity prior to detection, and we investigate cavity enhanced probing with continuous beams of both coherent and squeezed light. The stochastic master equations used in the analysis are expressed in terms of the Hamiltonian of the probed system and the interaction between the probed system and the probe field and are thus quite generally applicable.

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