Title :
Superconducting nanowire detectors based on MgB2
Author :
Marsili, Francesco ; Cunnane, Daniel P. ; Briggs, Ryan M. ; Beyer, Andrew D. ; Shaw, Matthew D. ; Karasik, Boris S. ; Wolak, M.A. ; Acharya, N. ; Xi, X.X.
Author_Institution :
Jet Propulsion Lab., California Inst. of Technol., Pasadena, CA, USA
Abstract :
We fabricated and characterized the optical response of MgB2 nanowires with critical temperature TC = 33 K. The devices showed optical response at 4 K and sub-nanosecond relaxation time. The detectors responded to the simultaneous absorption of three photons, but not to single photons.
Keywords :
magnesium compounds; multiphoton processes; nanosensors; nanowires; superconducting photodetectors; superconducting transition temperature; type II superconductors; MgB2; critical temperature; optical response; subnanosecond relaxation time; superconducting nanowire detectors; temperature 4 K; three-photon absorption; Detectors; Nanoscale devices; Optical detectors; Optical device fabrication; Optical films; Photonics; Superconducting photodetectors;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location :
San Jose, CA