Title :
Giant sub-THz nonlinear response in superconducting metamaterial
Author :
Savinov, V. ; Delfanazari, K. ; Fedotov, V.A. ; Zheludev, Nikolay I.
Author_Institution :
Optoelectron. Res. Centre, Univ. of Southampton, Southampton, UK
Abstract :
We present a superconducting metamaterial with ultra-strong nonlinear response in the sub-terahertz range. A change in transmission of more than 10% has been achieved by ramping up the radiation intensity from 100μW/cm2 to just 800μW/cm2.
Keywords :
superconducting materials; terahertz metamaterials; terahertz wave spectra; transparency; ultraviolet lithography; UV-photolithography; giant subTHz nonlinear response; nano-scale constrictions; radiation intensity; resonantly induced current; superconducting metamaterial; ultrastrong nonlinear response; Educational institutions; Metamaterials; Niobium; Resonant frequency; Superconducting microwave devices; Superconducting transition temperature; Temperature measurement;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA
