Implementation of Cavity Squeezing of a Collective Atomic Spin
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We squeeze unconditionally the collective spin of a dilute ensemble of laser-cooled superscript 87]Rb atoms using their interaction with a driven optical resonator. The shape and size of the resulting spin uncertainty region are well described by a simple analytical model [M. H. Schleier-Smith, I. D. Leroux, and V. Vuletić, arXiv:0911.3936 [Phys. Rev. A (to be published)]] through 2 orders of magnitude in the effective interaction strength, without free parameters. We deterministically generate states with up to 5.6(6) dB of metrologically relevant spin squeezing on the canonical [superscript 87]Rb hyperfine clock transition.
Date issued
2010-02Department
Massachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Research Laboratory of Electronics; Massachusetts Institute of Technology. School of Science; MIT-Harvard Center for Ultracold AtomsJournal
Physical Review Letters
Publisher
American Physical Society
Citation
Leroux, Ian D., Monika H. Schleier-Smith, and Vladan Vuletić. “Implementation of Cavity Squeezing of a Collective Atomic Spin.” Physical Review Letters 104.7 (2010): 073602. © 2010 American Physical Society.
Version: Final published version
ISSN
0031-9007