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Optical Materials Express

Optical Materials Express

  • Editor: David Hagan
  • Vol. 4, Iss. 8 — Aug. 1, 2014
  • pp: 1487–1493

Observation of an intrinsic nonlinearity in the electro-optic response of freezing relaxors ferroelectrics

D. Pierangeli, F. Di Mei, J. Parravicini, GB. Parravicini, A. J. Agranat, C. Conti, and E. DelRe  »View Author Affiliations


Optical Materials Express, Vol. 4, Issue 8, pp. 1487-1493 (2014)
http://dx.doi.org/10.1364/OME.4.001487


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Abstract

We demonstrate an electro-optic response that is linear in the amplitude but independent of the sign of the applied electric field. The symmetry-preserving linear electro-optic effect emerges at low applied electric fields in freezing nanodisordered KNTN above the dielectric peak temperature, deep into the nominal paraelectric phase. Strong temperature dependence allows us to attribute the phenomenon to an anomalously reduced thermal agitation in the reorientational response of the underlying polar-nanoregions.

© 2014 Optical Society of America

OCIS Codes
(160.2750) Materials : Glass and other amorphous materials
(190.4400) Nonlinear optics : Nonlinear optics, materials

ToC Category:
Electro-optical Materials

History
Original Manuscript: April 9, 2014
Revised Manuscript: May 26, 2014
Manuscript Accepted: May 27, 2014
Published: July 1, 2014

Citation
D. Pierangeli, F. Di Mei, J. Parravicini, GB. Parravicini, A. J. Agranat, C. Conti, and E. DelRe, "Observation of an intrinsic nonlinearity in the electro-optic response of freezing relaxors ferroelectrics," Opt. Mater. Express 4, 1487-1493 (2014)
http://www.opticsinfobase.org/ome/abstract.cfm?URI=ome-4-8-1487


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