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Title: Ultrafast terahertz gating of the polarization and giant nonlinear optical response in BiFeO3 thin films

Journal Article · · Advanced Materials
 [1];  [1];  [2];  [2];  [3];  [4];  [5];  [6];  [6];  [2];  [7];  [5];  [1]
  1. SLAC National Accelerator Lab., Menlo Park, CA (United States); Stanford Univ., Stanford, CA (United States)
  2. Univ. of Pennsylvania, Philadelphia, PA (United States)
  3. SLAC National Accelerator Lab., Menlo Park, CA (United States)
  4. Univ. of California, Berkeley, CA (United States)
  5. Argonne National Lab. (ANL), Lemont, IL (United States)
  6. Univ. of Maryland, College Park, MD (United States)
  7. Univ. of California, Berkeley, CA (United States); Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)

In this article, terahertz pulses are applied as an all-optical bias to ferroelectric thin-film BiFeO3 while monitoring the time-dependent ferroelectric polarization through its nonlinear optical response. Modulations in the intensity of the second harmonic light generated by the film correspond to on–off ratios of 220 × gateable on femtosecond timescales. Polarization modulations comparable to the built-in static polarization are observed.

Research Organization:
SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States); Argonne National Laboratory (ANL), Argonne, IL (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
AC02-76SF00515; AC02-06CH11357
OSTI ID:
1212283
Alternate ID(s):
OSTI ID: 1245025
Report Number(s):
SLAC-PUB-16380
Journal Information:
Advanced Materials, Vol. 27, Issue 41; ISSN 0935-9648
Publisher:
WileyCopyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 40 works
Citation information provided by
Web of Science

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Cited By (11)

Ultrafast electron-phonon coupling and photo-induced strain in the morphotropic phase boundary of BixDy1−xFeO3 films journal February 2018
Ultrafast polarization control by terahertz fields via π-electron wavefunction changes in hydrogen-bonded molecular ferroelectrics journal October 2018
Sr-induced dipole scatter in Ba x Sr 1 x TiO 3 : Insights from a transferable-bond valence-based interatomic potential journal November 2019
Optical Writing of Magnetic Properties by Remanent Photostriction journal September 2016
Ultrafast Electric Field Pulse Control of Giant Temperature Change in Ferroelectrics journal January 2018
Light-Activated Gigahertz Ferroelectric Domain Dynamics journal February 2018
Terahertz field–induced ferroelectricity in quantum paraelectric SrTiO 3 journal June 2019
Probing and controlling terahertz-driven structural dynamics with surface sensitivity journal January 2017
Terahertz wave interaction with metallic nanostructures journal May 2018
Probing and controlling terahertz-driven structural dynamics with surface sensitivity preprint January 2016
THz Electric Field-Induced Second Harmonic Generation in Inorganic Ferroelectric journal April 2017

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