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APS » Journals » Phys. Rev. Lett. » Volume 103 » Issue 16
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Phys. Rev. Lett. 103, 160403 (2009) [4 pages]

Cavity-Mediated Strong Matter Wave Bistability in a Spin-1 Condensate

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Lu Zhou1, Han Pu2, Hong Y. Ling3, and Weiping Zhang1
1State Key Laboratory of Precision Spectroscopy, Department of Physics, East China Normal University, Shanghai 200062, China
2Department of Physics and Astronomy, and Rice Quantum Institute, Rice University, Houston, Texas 77251-1892, USA
3Department of Physics and Astronomy, Rowan University, Glassboro, New Jersey 08028-1700, USA

Received 7 June 2009; published 15 October 2009

We study matter-wave bistability in a spin-1 Bose-Einstein condensate dispersively coupled to a unidirectional ring cavity. A unique feature is that the population exchange among different modes of matter fields is accomplished via spin-exchange collisions. We show that the interplay between the atomic spin mixing and the cavity light field can lead to a strong matter-wave nonlinearity, making matter-wave bistability in a cavity at the single-photon level achievable.

© 2009 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.103.160403
DOI:
10.1103/PhysRevLett.103.160403
PACS:
03.75.Mn, 03.75.Kk, 42.50.Pq, 42.65.−k
 
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