Title :
Single-photon detection at the nanoscale with superconducting nanowires
Author :
Bitauld, D. ; Marsili, F. ; Fiore, A. ; Gaggero, A. ; Leoni, R. ; Mattioli, F. ; Benkahoul, M. ; Levy, F.
Author_Institution :
Photonics & Semicond. Nanophysics, Eindhoven Univ. of Technol., Eindhoven
Abstract :
We evidence the nanoscale nature of photodetection in superconducting nanowire single-photon detectors by a spatially-resolved efficiency measurement. A novel nanoscale detector, with 100times100 nm2 active area, is also demonstrated using an artificial constriction.
Keywords :
niobium compounds; sensors; superconducting devices; superconducting materials; NbN; nanoscale detector; photodetection; single-photon detectors; spatially-resolved efficiency; superconducting nanowires; Critical current; Infrared detectors; Nanowires; Optical sensors; Probes; Shape measurement; Spatial resolution; Superconducting filaments and wires; Superconducting films; Superconducting photodetectors; (040.3060) IR detectors; (040.5570) Quantum detectors;
Conference_Titel :
Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-859-9
