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Coherent light transport in a cold strontium cloud

Coherent light transport in a cold strontium cloud
Coherent light transport in a cold strontium cloud
We study light coherent transport in the weak localization regime using magneto-optically cooled strontium atoms. The coherent backscattering cone is measured in the four polarization channels using light resonant with a J(g)=0 to J(e)=1 transition of the strontium atom. We find an enhancement factor close to 2 in the helicity preserving channel, in agreement with theoretical predictions. This observation confirms the effect of internal structure as the key mechanism for the contrast reduction observed with a rubidium cold cloud [G.Labeyrie et al., Phys. Rev. Lett. 83, 5266 (1999)]. Experimental results are in good agreement with Monte Carlo simulations taking into account geometry effects.
Bidel, Y.
a520512b-8dbb-4306-bfe8-11f81c992a4d
Klappauf, B.
74f447a9-de1a-47f3-810e-f67f72eb0ad1
Bernard, J.C.
eaff5ced-1637-4ede-855a-0348bc0de30a
Delande, D.
62951db1-c038-416e-a062-b93544e5a2bd
Labeyrie, G.
29a45ac9-314b-4cec-a830-f1521ca7d585
Miniatura, C.
f549ddfc-23bd-422b-a006-6992501aef3c
Wilkowski, D.
06b9b497-9605-4bdc-8b46-dbc8ebf460cc
Kaiser, R.
28c00aa3-bd9c-4224-8fc4-acc15ec04dca
Bidel, Y.
a520512b-8dbb-4306-bfe8-11f81c992a4d
Klappauf, B.
74f447a9-de1a-47f3-810e-f67f72eb0ad1
Bernard, J.C.
eaff5ced-1637-4ede-855a-0348bc0de30a
Delande, D.
62951db1-c038-416e-a062-b93544e5a2bd
Labeyrie, G.
29a45ac9-314b-4cec-a830-f1521ca7d585
Miniatura, C.
f549ddfc-23bd-422b-a006-6992501aef3c
Wilkowski, D.
06b9b497-9605-4bdc-8b46-dbc8ebf460cc
Kaiser, R.
28c00aa3-bd9c-4224-8fc4-acc15ec04dca

Bidel, Y., Klappauf, B., Bernard, J.C., Delande, D., Labeyrie, G., Miniatura, C., Wilkowski, D. and Kaiser, R. (2002) Coherent light transport in a cold strontium cloud. Physical Review Letters, 88 (20). (doi:10.1103/PhysRevLett.88.203902).

Record type: Article

Abstract

We study light coherent transport in the weak localization regime using magneto-optically cooled strontium atoms. The coherent backscattering cone is measured in the four polarization channels using light resonant with a J(g)=0 to J(e)=1 transition of the strontium atom. We find an enhancement factor close to 2 in the helicity preserving channel, in agreement with theoretical predictions. This observation confirms the effect of internal structure as the key mechanism for the contrast reduction observed with a rubidium cold cloud [G.Labeyrie et al., Phys. Rev. Lett. 83, 5266 (1999)]. Experimental results are in good agreement with Monte Carlo simulations taking into account geometry effects.

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Published date: 2002
Organisations: Optoelectronics Research Centre

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Local EPrints ID: 376520
URI: http://eprints.soton.ac.uk/id/eprint/376520
PURE UUID: a16cd3f6-d806-4d3e-8256-515171bc9c0d

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Date deposited: 29 Apr 2015 14:04
Last modified: 15 Jul 2019 21:22

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