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Conditional Schrödinger cats generation and detection by quantum non-demolition measurements

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Abstract.

 We show that a Schrödinger cat state can be generated using a crossed Kerr interaction between two optical modes and an appropriate conditional measurement on one of the modes. The effect of damping on the generation process is analyzed in detail and two possible detection schemes for the cat state are presented.

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Authors and Affiliations

  1. Dipartimento di Matematica e Fisica, Università di Camerino, I-62032 Camerino and Istituto Nazionale di Fisica della Materia, Italy, , , , , , IT

    D. Vitali & P. Tombesi

  2. Institut d’Optique Théorique et Appliquée, F-91403 Orsay, France, , , , , , FR

    P. Grangier

Authors
  1. D. Vitali
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  2. P. Tombesi
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  3. P. Grangier
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Received: 15 May 1996

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Vitali, D., Tombesi, P. & Grangier, P. Conditional Schrödinger cats generation and detection by quantum non-demolition measurements. Appl Phys B 64, 249–257 (1997). https://doi.org/10.1007/s003400050171

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  • DOI: https://doi.org/10.1007/s003400050171

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