Generating entangled spin states for quantum metrology by single-photon detection

We propose and analyze a probabilistic but heralded scheme to generate pure, entangled, non-Gaussian states of collective spin in large atomic ensembles by means of single-photon detection. One photon announces the preparation of a Dicke state, while two or more photons announce Schrödinger cat stat...

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Bibliographic Details
Main Authors: Zhang, Hao, Schleier-Smith, Monika, McConnell, Robert P., Cuk, Senka, Vuletic, Vladan, Hu, Jiazhong, Ph. D. Massachusetts Institute of Technology
Other Authors: Massachusetts Institute of Technology. Department of Physics
Format: Article
Language:en_US
Published: American Physical Society 2014
Online Access:http://hdl.handle.net/1721.1/85087
https://orcid.org/0000-0002-5450-8809
https://orcid.org/0000-0002-2937-4810
https://orcid.org/0000-0002-9786-0538