Magnon squeezing in an Antiferromagnet : reducing the spin noise below the standard quantum limit

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DOIResolve DOI: http://doi.org/10.1103/PhysRevLett.93.107203
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TypeArticle
Journal titlePhysical Review Letters
Volume93
Issue10
Pages107203-1107203-4; # of pages: 4
AbstractWe report the first experimental demonstration of quantum squeezing of a collective spin-wave excitation (magnon) using femtosecond optical pulses to generate correlations involving pairs of spins in an antiferromagnetic insulator MnF₂. In the squeezed state, the fluctuations of the magnetization of a crystallographic unit cell vary periodically in time and are reduced below that of the ground-state quantum noise.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada; NRC Institute for Microstructural Sciences
Peer reviewedNo
NPARC number12744608
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Record identifiera8d30899-dd02-48be-83a7-db0c48f987bd
Record created2009-10-27
Record modified2016-05-09
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