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Short Communications
Ultrafast modulation of ferroelectric polarization in a $\rm Ba_{0.8}\rm Sr_{0.2}\rm TiO_3$ film with an intensive subperiodic terahertz pulse
V. R. Bilyka, E. D. Mishinaa, A. V. Ovchinnikovb, M. B. Agranatb a MIREA — Russian Technological University, Moscow
b Joint Institute for High Temperatures, Russian Academy of Sciences, Moscow
Abstract:
The results of an experimental and theoretical study of the effect of an intense, single-period terahertz pulse on the ferroelectric polarization in a barium–strontium titanate film are presented. Modulation of the ferroelectric polarization in the field of a terahertz pulse with a strength of up to $23.2$ MV/cm is demonstrated via generation of the second optical harmonic. The presence of a nonlinear dependence of the intensity of the second optical harmonic on the electric field strength of the THz pulse is shown.
Received: 17.05.2020 Revised: 17.09.2020 Accepted: 14.10.2020
Citation:
V. R. Bilyk, E. D. Mishina, A. V. Ovchinnikov, M. B. Agranat, “Ultrafast modulation of ferroelectric polarization in a $\rm Ba_{0.8}\rm Sr_{0.2}\rm TiO_3$ film with an intensive subperiodic terahertz pulse”, TVT, 58:6 (2020), 955–957; High Temperature, 58:6 (2020), 942–944
Linking options:
https://www.mathnet.ru/eng/tvt11467 https://www.mathnet.ru/eng/tvt/v58/i6/p955
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Statistics & downloads: |
Abstract page: | 116 | Full-text PDF : | 44 | References: | 11 |
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