Physical properties of a laser beam and the intracavity quantum state

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Title Physical properties of a laser beam and the intracavity quantum state
Author Pegg, David
Journal Name Physics Letters A
Year Published 2012
Place of publication Netherlands
Publisher Elsevier
Abstract We use the impossibility of sending information faster than light to show that it is impossible to distinguish between various types of laser cavity field state, such as a Fock state of uncertain energy and any superposition of Fock states of unknown free evolution time, by means of the physically measurable properties of the laser beam. Superpositions can include coherent states, squeezed states and cat states, indeed any pure intracavity state will produce the characteristic properties of the beam such as intrinsic phase coherence.
Peer Reviewed Yes
Published Yes
Alternative URI http://dx.doi.org/10.1016/j.physleta.2012.05.028
Copyright Statement Copyright 2012 Elsevier B.V.. This is the author-manuscript version of this paper. Reproduced in accordance with the copyright policy of the publisher. Please refer to the journal's website for access to the definitive, published version.
Volume 376
Issue Number 30-31
Page from 2100
Page to 2102
ISSN 0375-9601
Date Accessioned 2012-08-01
Date Available 2013-06-11T03:32:35Z
Language en_US
Faculty Faculty of Science, Environment, Engineering and Technology
Subject Quantum Optics
URI http://hdl.handle.net/10072/47901
Publication Type Journal Articles (Refereed Article)
Publication Type Code c1

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