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APS » Journals » Phys. Rev. Lett. » Volume 102 » Issue 20
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Phys. Rev. Lett. 102, 203902 (2009) [4 pages]

Efficient All-Optical Switching Using Slow Light within a Hollow Fiber

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M. Bajcsy1, S. Hofferberth1, V. Balic1, T. Peyronel2, M. Hafezi1, A. S. Zibrov1, V. Vuletic2, and M. D. Lukin1
1Harvard-MIT Center for Ultracold Atoms, Department of Physics, Harvard University, Cambridge, Massachusetts 02138, USA
2Harvard-MIT Center for Ultracold Atoms, Department of Physics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA

Received 3 January 2009; published 18 May 2009

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We demonstrate a fiber-optical switch that is activated at tiny energies corresponding to a few hundred optical photons per pulse. This is achieved by simultaneously confining both photons and a small laser-cooled ensemble of atoms inside the microscopic hollow core of a single-mode photonic-crystal fiber and using quantum optical techniques for generating slow light propagation and large nonlinear interaction between light beams.

© 2009 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.102.203902
DOI:
10.1103/PhysRevLett.102.203902
PACS:
42.65.−k
 
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