Physical Review Letters

Creating Metastable Schrödinger Cat States

John J. Slosser, Gerard J Milburn

Published Jul 17, 1995• 19 citations

Abstract

We propose a scheme using feedback to generate a macroscopic quantum superposition of coherent states in an optical cavity mode which experiences very little decoherence (due to dissipation).Received 9 November 1994DOI:https://doi.org/10.1103/PhysRevLett.75.418©1995 American Physical Society

DOI: 10.1103/physrevlett.75.418

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Comment on “Creating Metastable Schrödinger Cat States”

Mauro Fortunato

After a careful analysis of the feedback model recently proposed by Slosser and Milburn [Phys. Rev. Lett. 75, 418 (1995)], we are led to the conclusion that---under realistic conditions---their scheme is not significantly more effective in the production of linear superpositions of macroscopically distinguishable quantum states than the usual quantum-optical Kerr effect.

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