Gate-tunable terahertz emission at oxide interfaces via ultrafast spin-to-charge current conversion

Qi Zhang, Deshun Hong, Changjiang Liu, Richard D Schaller, Dillon Fong, Anand Bhattacharya, Haidan Wen

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We demonstrate gate-tunable spintronic terahertz (THz) emission at the interface of LaAlO3/SrTiO3 due to ultrafast spin-to-charge current conversion. The soft phonon mode of SrTiO3 is also observed in the emitted THz spectra.

Original languageEnglish
Title of host publicationCLEO
Subtitle of host publicationQELS_Fundamental Science, CLEO_QELS 2019
PublisherOSA - The Optical Society
ISBN (Electronic)9781557528209
DOIs
Publication statusPublished - Jan 1 2019
EventCLEO: QELS_Fundamental Science, CLEO_QELS 2019 - San Jose, United States
Duration: May 5 2019May 10 2019

Publication series

NameOptics InfoBase Conference Papers
VolumePart F128-CLEO_QELS 2019

Conference

ConferenceCLEO: QELS_Fundamental Science, CLEO_QELS 2019
CountryUnited States
CitySan Jose
Period5/5/195/10/19

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Mechanics of Materials

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    Zhang, Q., Hong, D., Liu, C., Schaller, R. D., Fong, D., Bhattacharya, A., & Wen, H. (2019). Gate-tunable terahertz emission at oxide interfaces via ultrafast spin-to-charge current conversion. In CLEO: QELS_Fundamental Science, CLEO_QELS 2019 (Optics InfoBase Conference Papers; Vol. Part F128-CLEO_QELS 2019). OSA - The Optical Society. https://doi.org/10.1364/CLEO-QELS.2019.FM4D.7