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Phys. Rev. Lett. 88, 023602 (2001) [4 pages]

Observation of Ultraslow and Stored Light Pulses in a Solid

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A. V. Turukhin*, V. S. Sudarshanam, and M. S. Shahriar
Research Laboratory of Electronics, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139

J. A. Musser
Texas A&M University, College Station, Texas 77843

B. S. Ham
Center for Quantum Coherence and Communications, Electronics and Telecommunications Research Institute, Daejon 305-350, South Korea

P. R. Hemmer
Air Force Research Laboratory, Sensors Directorate, Hanscom AFB, Massachusetts 01731

Received 7 December 2000; revised 15 August 2001; published 20 December 2001

We report ultraslow group velocities of light in an optically dense crystal of Pr doped Y2SiO5. Light speeds as slow as 45 m/s were observed, corresponding to a group delay of 66 μs. Deceleration and “stopping” or trapping of the light pulse was also observed. These reductions of the group velocity are accomplished by using a sharp spectral feature in absorption and dispersion that is produced by resonance Raman excitation of a ground-state spin coherence.

© 2002 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.88.023602
DOI:
10.1103/PhysRevLett.88.023602
PACS:
42.50.Gy, 42.62.Fi

*Corresponding author.Email address: alexey.turukhin@us.jdsuniphase.comCurrent address: JDS Uniphase Corporation, Optical Networks Research, 625 Industrial Way West, Eatontown, NJ 07724.

 
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