Nonlinear high-temperature superconducting terahertz metamaterials
Author(s)Grady, Nathaniel K.; Torchinsky, Darius; Singh, Ranjan; Yan, Li; Trugman, Daniel; Trugman, Stuart A.; Jia, Q. X.; Taylor, Antoinette J.; Chen, Hou-Tong; Perkins, Bradford G., Jr.; Hwang, Harold Young; Brandt, Nathaniel Curran; Nelson, Keith Adam; Perkins Jr, Bradford G.; ... Show more Show less
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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.
DepartmentLincoln Laboratory; Massachusetts Institute of Technology. Department of Chemistry
New Journal of Physics
Grady, Nathaniel K, Bradford G Perkins, Harold Y Hwang, Nathaniel C Brandt, Darius Torchinsky, Ranjan Singh, Li Yan, et al. “Nonlinear high-temperature superconducting terahertz metamaterials.” New Journal of Physics 15, no. 10 (October 1, 2013): 105016.
Final published version