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Chinese Optics Letters

Chinese Optics Letters


  • Vol. 3, Iss. S1 — Aug. 28, 2005
  • pp: S354–S355

Slowdown the light speed in an alexandrite crystal

Baohua Fan, Yundong Zhang, and Ping Yuan  »View Author Affiliations

Chinese Optics Letters, Vol. 3, Issue S1, pp. S354-S355 (2005)

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We have observed a hole in the absorption profile of the homogeneously broadened absorption band of an Alexandrite crystal. With the spectral hole-burning technique that resulting from the periodic modulation of the ground state population at the beat frequency between the pump and the probe fields, we observed the slowdown the light propagation with the group velocity as slow as 12.5 m/s at room temperature. And the group velocity in the Alexandrite crystal depends on the amplitude modulation frequency, the power of laser beam and the orientation of the crystal lattice. The lower frequency or higher power leads to slower group velocity of light.

© 2005 Chinese Optics Letters

OCIS Codes
(190.4420) Nonlinear optics : Nonlinear optics, transverse effects in
(190.5530) Nonlinear optics : Pulse propagation and temporal solitons
(190.5940) Nonlinear optics : Self-action effects
(270.1670) Quantum optics : Coherent optical effects
(270.5530) Quantum optics : Pulse propagation and temporal solitons

Baohua Fan, Yundong Zhang, and Ping Yuan, "Slowdown the light speed in an alexandrite crystal," Chin. Opt. Lett. 3, S354-S355 (2005)

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