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Photonic Josephson effect, phase transitions, and chaos in optomechanical systems
Stockholm University, Faculty of Science, Department of Physics.
Stockholm University, Nordic Institute for Theoretical Physics (Nordita).
2011 (English)In: Physical Review A. Atomic, Molecular, and Optical Physics, ISSN 1050-2947, E-ISSN 1094-1622, Vol. 84, no 2, 021804- p.Article in journal (Refereed) Published
Abstract [en]

A photonic analog of the Josephson effect is analyzed for a system formed by a partly transparent mechanical membrane dividing an optical cavity into two halves. Photons tunneling between the two subcavities constitute the coherent Jospehson current. The force acting upon the membrane due to the light pressure induces a nonlinearity, which results in a rich dynamical structure. For example, contrary to standard bosonic Josephson systems, we encounter chaos. By means of a mean-field approach, we identify the various regimes and corresponding phase diagram. At the short time scale, chaos is demonstrated to prevent regular self-trapping, while for longer times a dissipation-induced self-trapping effect is possible.

Place, publisher, year, edition, pages
2011. Vol. 84, no 2, 021804- p.
National Category
Natural Sciences
URN: urn:nbn:se:su:diva-68281DOI: 10.1103/PhysRevA.84.021804ISI: 000293917200003OAI: diva2:477988
authorCount :2Available from: 2012-01-15 Created: 2012-01-03 Last updated: 2012-01-15Bibliographically approved

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Larson, Jonas
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Department of PhysicsNordic Institute for Theoretical Physics (Nordita)
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