Trapping and observing single atoms in a blue-detuned intracavity dipole trap

T. Puppe; I. Schuster; A. Grothe; A. Kubanek; K. Murr; P. W H Pinkse; G. Rempe

doi:10.1103/PhysRevLett.99.013002

Trapping and observing single atoms in a blue-detuned intracavity dipole trap

T. Puppe^*, I. Schuster, A. Grothe, A. Kubanek, K. Murr, P. W H Pinkse, G. Rempe

^*Corresponding author for this work

Research output: Contribution to journal › Article › Academic › peer-review

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Abstract

A single atom strongly coupled to a cavity mode is stored by three-dimensional confinement in blue-detuned cavity modes of different longitudinal and transverse order. The vanishing light intensity at the trap center reduces the light shift of all atomic energy levels. This is exploited to detect a single atom by means of a dispersive measurement with 95% confidence in 10μs, limited by the photon-detection efficiency. As the atom switches resonant cavity transmission into cavity reflection, the atom can be detected while scattering about one photon.

Original language	English
Article number	013002
Journal	Physical review letters
Volume	99
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevLett.99.013002
Publication status	Published - 6 Jul 2007
Externally published	Yes

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abstract = "A single atom strongly coupled to a cavity mode is stored by three-dimensional confinement in blue-detuned cavity modes of different longitudinal and transverse order. The vanishing light intensity at the trap center reduces the light shift of all atomic energy levels. This is exploited to detect a single atom by means of a dispersive measurement with 95% confidence in 10μs, limited by the photon-detection efficiency. As the atom switches resonant cavity transmission into cavity reflection, the atom can be detected while scattering about one photon.",

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AU - Puppe, T.

AU - Schuster, I.

AU - Grothe, A.

AU - Kubanek, A.

AU - Murr, K.

AU - Pinkse, P. W H

AU - Rempe, G.

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AB - A single atom strongly coupled to a cavity mode is stored by three-dimensional confinement in blue-detuned cavity modes of different longitudinal and transverse order. The vanishing light intensity at the trap center reduces the light shift of all atomic energy levels. This is exploited to detect a single atom by means of a dispersive measurement with 95% confidence in 10μs, limited by the photon-detection efficiency. As the atom switches resonant cavity transmission into cavity reflection, the atom can be detected while scattering about one photon.

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Trapping and observing single atoms in a blue-detuned intracavity dipole trap

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