Quantum Superposition State Production by Continuous Observations and Feedback

Antonio Negretti; Uffe V. Poulsen; Klaus Molmer

doi:10.1103/PhysRevLett.99.223601

Quantum Superposition State Production by Continuous Observations and Feedback

Quantum Physics 2009-11-13 v3

Authors: Antonio Negretti , Uffe V. Poulsen , Klaus Molmer

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Abstract

We present a protocol for generation of superpositions of states with distinguishable field amplitudes in an optical cavity by quantum nondemolition photon number measurements and coherent feeding of the cavity.

Keywords

quantum optics and quantum information cavity quantum electrodynamics quantum optics

Cite

@article{arxiv.quant-ph/0703040,
  title  = {Quantum Superposition State Production by Continuous Observations and Feedback},
  author = {Antonio Negretti and Uffe V. Poulsen and Klaus Molmer},
  journal= {arXiv preprint arXiv:quant-ph/0703040},
  year   = {2009}
}

Comments

RevTex4, 4 pages, 2 figures. Published in Phys. Rev. Lett. with higher quality figures. The first part of the manuscript, regarding the Fock state generator, has been removed

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