Vacuum Squeezing of Solids: Macroscopic Quantum States Driven by Light Pulses-Reference-Cited by-同舟云学术

Vacuum Squeezing of Solids: Macroscopic Quantum States Driven by Light Pulses

Published:1997-03-14 Issue:5306 Volume:275 Page:1638-1640
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Garrett G. A.¹,Rojo A. G.²,Sood A. K.¹,Whitaker J. F.¹,Merlin R.¹

Affiliation:

1. G. A. Garrett, A. K. Sood, R. Merlin, Center for Ultrafast Optical Science, University of Michigan, Ann Arbor, MI 48109-2099, and Department of Physics, University of Michigan, Ann Arbor, MI 48109-1120, USA.

2. A. G. Rojo, Department of Physics, University of Michigan, Ann Arbor, MI 48109-1120, USA. J. F. Whitaker, Center for Ultrafast Optical Science, University of Michigan, Ann Arbor, MI 48109-2099, USA.

Abstract

Femtosecond laser pulses and coherent two-phonon Raman scattering were used to excite KTaO 3 into a squeezed state, nearly periodic in time, in which the variance of the atomic displacements dips below the standard quantum limit for half of a cycle. This nonclassical state involves a continuum of transverse acoustic modes that leads to oscillations in the refractive index associated with the frequency of a van Hove singularity in the phonon density of states.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference24 articles.

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