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Cavity Cooling of Many Atoms

Mahdi Hosseini, Yiheng Duan, Kristin M. Beck, Yu-Ting Chen, and Vladan Vuletić
Phys. Rev. Lett. 118, 183601 – Published 1 May 2017
Physics logo See Synopsis: Cooling Multiple Atoms in a Cavity
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Abstract

We demonstrate cavity cooling of all motional degrees of freedom of an atomic ensemble using light that is far detuned from the atomic transitions by several gigahertz. The cooling is achieved by cavity-induced frequency-dependent asymmetric enhancement of the atomic emission spectrum, thereby extracting thermal kinetic energy from the atomic system. Within 100 ms, the atomic temperature is reduced from 200 to 10μK, where the final temperature is mainly limited by the linewidth of the cavity. In principle, the technique can be applied to molecules and atoms with complex internal energy structure.

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  • Received 4 January 2017

DOI:https://doi.org/10.1103/PhysRevLett.118.183601

© 2017 American Physical Society

Physics Subject Headings (PhySH)

Atomic, Molecular & Optical

Synopsis

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Cooling Multiple Atoms in a Cavity

Published 1 May 2017

A cavity-based method of cooling single atoms or other objects has now been used to cool multiple atoms simultaneously.

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Authors & Affiliations

Mahdi Hosseini1,†, Yiheng Duan1, Kristin M. Beck1,‡, Yu-Ting Chen1,2, and Vladan Vuletić1,*

  • 1Department of Physics and Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
  • 2Department of Physics, Harvard University, Cambridge, Massachusetts 02138, USA

  • *Corresponding author. vuletic@mit.edu
  • Present address: Birck Nanotechnology Center, School of Electrical and Computer Engineering, Purdue University, West Lafayette, Indiana 47907, USA.
  • Present address: JQI and Department of Physics, University of Maryland, College Park, Maryland 20742, USA.

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Issue

Vol. 118, Iss. 18 — 5 May 2017

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