Superposition of coherent states prepared in one mode of a dissipative bimodal cavity

Details Superposition of coherent states prepared in one mode of a dissipative bimodal cavity Superposition of coherent states prepared in one mode of a dissipative bimodal cavity

2006-10-06

arxiv.org/abs/quant-ph/0610045v1

J. Phys. B: At. Mol. Opt. Phys. 40 (2007) 21-27

Physics

Quantum Physics

7 pages, 1 figure, submitted to J. Phys. B

Scientific paper

10.1088/0953-4075/40/1/003

We solve the problem of the temporal evolution of one of two-modes embedded in a same dissipative environment and investigate the role of the losses after the preparation of a coherent state in only one of the two modes. Based on current cavity QED technology, we present a calculation of the fidelity of a superposition of coherent states engineered in a bimodal high-Q cavity. Our calculation demonstrates that the engineered superposition retains coherence for large times when the mean photon number of the prepared mode is on the order of unity.

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