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Dark Optical Lattice of Ring Traps for Cold Atoms
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Document type :
Article dans une revue scientifique
DOI :
10.1103/PhysRevA.74.031403
Title :
Dark Optical Lattice of Ring Traps for Cold Atoms
Author(s) :
Courtade, Emmanuel [Auteur] refId
Laboratoire de Physique des Lasers, Atomes et Molécules - UMR 8523 [PhLAM]
Houde, Olivier [Auteur] refId
Laboratoire de Physique des Lasers, Atomes et Molécules - UMR 8523 [PhLAM]
Clément, Jean-François [Auteur] refId
Laboratoire de Physique des Lasers, Atomes et Molécules - UMR 8523 [PhLAM]
laboratoire Charles Fabry de l'Institut d'Optique / Optique atomique
Verkerk, Philippe [Auteur]
Laboratoire de Physique des Lasers, Atomes et Molécules - UMR 8523 [PhLAM]
Hennequin, Daniel [Auteur] refId
Laboratoire de Physique des Lasers, Atomes et Molécules - UMR 8523 [PhLAM]
Journal title :
Physical Review A : Atomic, molecular, and optical physics
Pages :
031403(R)
Publisher :
American Physical Society
Publication date :
2006-09-20
ISSN :
1050-2947
English keyword(s) :
cold atoms
optical lattices
ring traps
HAL domain(s) :
Physique [physics]/Physique [physics]/Physique Atomique [physics.atom-ph]
Physique [physics]/Matière Condensée [cond-mat]/Autre [cond-mat.other]
English abstract : [en]
We propose a new geometry of optical lattice for cold atoms, namely a lattice made of a 1D stack of dark ring traps. It is obtained through the interference pattern of a standard Gaussian beam with a counter-propagating ...
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We propose a new geometry of optical lattice for cold atoms, namely a lattice made of a 1D stack of dark ring traps. It is obtained through the interference pattern of a standard Gaussian beam with a counter-propagating hollow beam obtained using a setup with two conical lenses. The traps of the resulting lattice are characterized by a high confinement and a filling rate much larger than unity, even if loaded with cold atoms from a MOT. We have implemented this system experimentally, and obtained a lattice of ring traps populated with typically 40 atoms per site with a life time of 30 ms. Applications in statistical physics, quantum computing and Bose-Einstein condensate dynamics are conceivable.Show less >
Language :
Anglais
Peer reviewed article :
Oui
Audience :
Internationale
Popular science :
Non
Comment :
4 pages, submitted to PRA
Collections :
  • Laboratoire de Physique des Lasers, Atomes et Molécules (PhLAM) - UMR 8523
Source :
Harvested from HAL
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