We experimentally proved the existence of macroscopic coherences in Gaussian quantum states using a recently proposed criterion [1]. We show interferences with remarkable distances in phase space for squeezed, entangled and even for coherent states.

© 2008 Optical Society of America

PDF Article
More Like This
Transient macroscopic quantum superposition states

WJ Munro and MD Reid
TuL52 International Quantum Electronics Conference (IQEC) 1996

Entanglement of quantum states between macroscopic and microscopic systems

Juhui Lee, Sergey A. Podoshvedov, Jaewan Kim, and Sung Dahm Oh
TuH1_3 Conference on Lasers and Electro-Optics/Pacific Rim (CLEOPR) 2007

Experimental Phase Detection at the Quantum Limit with Coherent State Interferometry

Juan F. Hodelin, George Khoury, Luca Pezzé, Augusto Smerzi, and Dirk Bouwmeester
JThA51 Conference on Lasers and Electro-Optics (CLEO) 2008


You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an Optica member, or as an authorized user of your institution.

Contact your librarian or system administrator
Login to access Optica Member Subscription