Title :
Switching Persistent Supercurrent on an Atom Chip
Author :
Hufnagel, Christoph ; Mukai, Tetsuya ; Shimizu, Fujio
Author_Institution :
NTT Basic Res. Lab., Atsugi
Abstract :
Rubidium 87 atoms are trapped in an Ioffe-Pritchard potential generated with a persistent supercurrent that flows in a loop circuit patterned on a sapphire surface. To control the supercurrent on a surface, an on-chip thermal switch operated by a focused argon-ion laser is developed.
Keywords :
atom-photon collisions; magneto-optical effects; quantum optics; radiation pressure; rubidium; Al2O3; Ioffe-Pritchard potential; Rb; atom chip; focused argon-ion laser; laser-driven thermal switch; loop circuit; magnetic atom trap; on-chip thermal switch; persistent supercurrent; rubidium 87 atoms; sapphire surface; trapped atoms; Atomic beams; Atomic layer deposition; Circuits; Magnetic fields; Optical control; Superconducting device noise; Superconducting epitaxial layers; Superconducting magnets; Switches; Temperature;
Conference_Titel :
Lasers and Electro-Optics - Pacific Rim, 2007. CLEO/Pacific Rim 2007. Conference on
Conference_Location :
Seoul
Print_ISBN :
978-1-4244-1173-3
Electronic_ISBN :
978-1-4244-1174-0
DOI :
10.1109/CLEOPR.2007.4391568
