| Issue |
Europhys. Lett.
Volume 74, Number 2, April 2006
|
|
|---|---|---|
| Page(s) | 254 - 260 | |
| Section | Electromagnetism, optics, acoustics, heat transfer, classical mechanics, and fluid dynamics | |
| DOI | https://doi.org/10.1209/epl/i2005-10521-4 | |
| Published online | 08 March 2006 | |
Self-organization of a laser-driven cold gas in a ring cavity
1
Research Institute for Solid State Physics and Optics P.O. Box 49, H-1525 Budapest, Hungary
2
Institut für Theoretische Physik, Universität Innsbruck Technikerstraße 25, A-6020 Innsbruck, Austria
Received:
7
November
2005
Accepted:
14
February
2006
A gas of linearly polarizable particles transversely pumped by an off-resonant laser and interacting with the counterpropagating radiation modes of a ring cavity is studied. Depending on the pump intensity and the detunings the gas can form a self-organized density grating that enhances the feeding of the cavity. We investigate the system via a mean-field approach and find the thermodynamic phases of i) uniform distribution, ii) self-organized Bragg lattice, iii) lattice with defects, and iv) instability. The occurrence of these phases as a function of the pump intensity and particle density is fully mapped.
PACS: 42.50.Vk – Mechanical effects of light on atoms, molecules, electrons, and ions / 42.65.Sf – Dynamics of nonlinear optical systems; optical instabilities, optical chaos and complexity, and optical spatio-temporal dynamics / 42.50.Pq – Cavity quantum electrodynamics; micromasers
© EDP Sciences, 2006
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