Title :
Quantum-enhanced measurements of atomic spin
Author :
Ana Predojevic;Marco Koschorreck;Mario Napolitano;Florian Wolfgramm;Brice Dubost;Yannick de Icaza Astiz;Naeimeh Behbood;Alessandro Cere;Morgan W. Mitchell
Author_Institution :
ICFO-Institut de Ciencies Fotoniques, Mediterranean Technology Park, 08860 Castelldefels (Barcelona), Spain
fDate :
5/1/2009 12:00:00 AM
Abstract :
We use narrow-band quantum light sources, tuned to the rubidium D1 resonance, to produce polarization-squeezed and polarization-NooN states for Heisenberg-limited measurements on atoms. By paramagnetic Faraday rotation these states measure the atomic spin polarization.
Keywords :
Atomic measurements
Conference_Titel :
Lasers and Electro-Optics, 2009 and 2009 Conference on Quantum electronics and Laser Science Conference. CLEO/QELS 2009. Conference on
Electronic_ISBN :
2160-9004
DOI :
10.1364/IQEC.2009.IThM7