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Nonlinear high-temperature superconducting terahertz metamaterials

  • Nathaniel K. Grady
  • , Bradford G. Perkins
  • , Harold Y. Hwang
  • , Nathaniel C. Brandt
  • , Darius Torchinsky
  • , Ranjan Singh
  • , Li Yan
  • , Daniel Trugman
  • , Stuart A. Trugman
  • , Q. X. Jia
  • , Antoinette J. Taylor
  • , Keith A. Nelson
  • , Hou Tong Chen
  • Los Alamos National Laboratory
  • Massachusetts Institute of Technology

Research output: Contribution to journalArticlepeer-review

35 Scopus citations

Abstract

We report the observation of a nonlinear terahertz response of split-ring resonator arrays made of high-temperature superconducting films. Intensity-dependent transmission measurements indicate that the resonance strength decreases dramatically (i.e. transient bleaching) and the resonance frequency shifts as the intensity is increased. Pump-probe measurements confirm this behaviour and reveal dynamics on the few-picosecond timescale.

Original languageEnglish
Article number105016
JournalNew Journal of Physics
Volume15
DOIs
StatePublished - Oct 2013

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