Title :
Quantum noise limited and entanglement-assisted magnetometry
Author :
Jensen, Kasper ; Wasilewski, Wojciech ; Krauter, Hanna ; Renema, Jelmer J. ; Balabas, Mikhail V. ; Polzik, Eugene S.
Author_Institution :
Danish Quantum Opt. Center QUANTOP, Univ. of Copenhagen, Copenhagen, Denmark
Abstract :
We demonstrate a radio frequency atomic magnetometer with sub-femtoTesla/√Hz sensitivity, mainly limited by projection noise of atoms. Furthermore, we demonstrate that Einstein-Podolsky-Rosen entanglement of atoms enhances the sensitivity to broadband magnetic fields.
Keywords :
Atom optics; Atomic measurements; Magnetic field measurement; Magnetic noise; Magnetometers; Optical noise; Optical pumping; Pulse measurements; Quantum entanglement; Radio frequency;
Conference_Titel :
Lasers and Electro-Optics (CLEO) and Quantum Electronics and Laser Science Conference (QELS), 2010 Conference on
Conference_Location :
San Jose, CA, USA
Print_ISBN :
978-1-55752-890-2
Electronic_ISBN :
978-1-55752-890-2
