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          Institute: MPI für Gravitationsphysik     Collection: Laser Interferometry & Gravitational Wave Astronomy     Display Documents



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ID: 318083.0, MPI für Gravitationsphysik / Laser Interferometry & Gravitational Wave Astronomy
Observation of squeezed light with 10dB quantum noise reduction
Authors:Vahlbruch, Henning; Mehmet, Moritz; Lastzka, Nico; Hage, Boris; Chelkowski, Simon; Franzen, Alexander; Gossler, Stefan; Danzmann, Karsten; Schnabel, Roman
Date of Publication (YYYY-MM-DD):2008-01
Title of Journal:Physical Review Letters
Journal Abbrev.:Phys. Rev. Lett.
Volume:100
Issue / Number:3
Sequence Number of Article:033602
Review Status:not specified
Audience:Not Specified
Abstract / Description:Squeezing of light's quantum noise requires temporal rearranging of photons. This again corresponds to creation of quantum correlations between individual photons. Squeezed light is a non-classical manifestation of light with great potential in high-precision quantum measurements, for example in the detection of gravitational waves. Equally promising applications have been proposed in quantum communication. However, after 20 years of intensive research doubts arose whether strong squeezing can ever be realized as required for eminent applications. Here we show experimentally that strong squeezing of light's quantum noise is possible. We reached a benchmark squeezing factor of 10 in power (10dB). Thorough analysis reveals that even higher squeezing factors will be feasible in our setup.
External Publication Status:published
Document Type:Article
Communicated by:Karsten Danzmann
Affiliations:MPI für Gravitationsphysik/Laser Interferometry & Gravitational Wave Astronomy
MPI für Gravitationsphysik/Teilinstitut Hannover
Identifiers:URL:http://link.aps.org/abstract/PRL/v100/e033602
LOCALID:arXiv:0706.1431
DOI:10.1103/PhysRevLett.100.033602
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