Title :
Ultrafast optical tuning of superconducting terahertz metamaterials
Author :
Singh, Ranjan ; Xiong, Jie ; Azad, Abul K. ; Yang, Hao ; Trugman, Stuart A. ; Jia, Q.X. ; Taylor, Antoinette J. ; Chen, Hou-Tong
Author_Institution :
Center for Integrated Nanotechnol., Los Alamos Nat. Lab., Los Alamos, NM, USA
Abstract :
We demonstrate the ultrafast switching and tuning of the resonance in high temperature superconducting YBCO metamaterial excited by near infrared femtosecond laser pulses. The infrared photons break the Cooper pairs thus destroys the metamaterial resonance.
Keywords :
Cooper pairs; barium compounds; high-speed optical techniques; high-temperature superconductors; metamaterials; microwave photonics; optical switches; optical tuning; terahertz wave spectra; yttrium compounds; Cooper pairs; YBCO; high temperature superconducting YBCO metamaterial; infrared photons; metamaterial resonance; near infrared femtosecond laser pulses; superconducting terahertz metamaterials; ultrafast optical tuning; ultrafast switching; Conductivity; Films; Metamaterials; Superconducting photodetectors; Ultrafast optics; Yttrium barium copper oxide;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2012 Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-4673-1839-6
