Dynamical coupling between a Bose–Einstein condensate and a cavity optical lattice

A Bose–Einstein condensate is dispersively coupled to a single mode of an ultra-high finesse optical cavity. The system is governed by strong interactions between the atomic motion and the light field even at the level of single quanta. While coherently pumping the cavity mode the condensate is subj...

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Bibliographic Details
Published in:Applied physics. B, Lasers and optics Lasers and optics, 2009-05, Vol.95 (2), p.213-218
Main Authors: Ritter, S., Brennecke, F., Baumann, K., Donner, T., Guerlin, C., Esslinger, T.
Format: Article
Language:English
Subjects:
Cavity quantum electrodynamics
micromasers
Classical and quantum physics: mechanics and fields
Condensates
Dynamical systems
Engineering
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Holes
Lasers
Lattice vibration
Matter waves
Nonlinear dynamics
Nonlinear optics
Optical bistability, multistability and switching, including local field effects
Optical Devices
Optical lattices
Optical pumping
Optics
Photonics
Photons
Physical Chemistry
Physics
Physics and Astronomy
Quantum Optics
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Summary:A Bose–Einstein condensate is dispersively coupled to a single mode of an ultra-high finesse optical cavity. The system is governed by strong interactions between the atomic motion and the light field even at the level of single quanta. While coherently pumping the cavity mode the condensate is subject to the cavity optical lattice potential whose depth depends nonlinearly on the atomic density distribution. We observe optical bistability already below the single photon level and strong back-action dynamics which tunes the coupled system periodically out of resonance.
ISSN:0946-2171
1432-0649
DOI:10.1007/s00340-009-3436-9