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

Garrett, GA and Rojo, AG and Sood, AK and Whitaker, JF and Merlin, R (1997) Vacuum Squeezing of Solids: Macroscopic Quantum States Driven by Light Pulses. In: Science, 275 (5306). pp. 1638-1640.

Preview

PDF sood2.pdf Download (408kB)

Abstract

Femtosecond laser pulses and coherent two-phonon Raman scattering were used to excite KTaO3 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

Item Type:	Journal Article
Publication:	Science
Publisher:	American Association for the Advancement of Science
Department/Centre:	Division of Physical & Mathematical Sciences > Physics
Date Deposited:	14 Feb 2007
Last Modified:	19 Sep 2010 04:12
URI:	http://eprints.iisc.ac.in/id/eprint/252

Actions (login required)

View Item