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

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

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.
Authors:
 [1] ;  [1] ;  [2] ;  [2] ;  [3] ;  [4] ;  [5] ;  [6] ;  [6] ;  [2] ;  [7] ;  [5] ;  [1]
+ Show Author Affiliations
  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)
Publication Date:
Report Number(s):
SLAC-PUB-16380
Journal ID: ISSN 0935-9648
Grant/Contract Number:
AC02-76SF00515; AC02-06CH11357
Type:
Accepted Manuscript
Journal Name:
Advanced Materials
Additional Journal Information:
Journal Volume: 27; Journal Issue: 41; Journal ID: ISSN 0935-9648
Publisher:
Wiley
Research Org:
SLAC National Accelerator Lab., Menlo Park, CA (United States); Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; MATSCI; OPTICS; ferroelectrics; ultrafast; terahertz modulators; nonlinear optical properties
OSTI Identifier:
1212283
Alternate Identifier(s):
OSTI ID: 1245025
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  • Cited by: 9 works
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