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



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ID: 318086.0, MPI für Gravitationsphysik / Laser Interferometry & Gravitational Wave Astronomy
Quantum engineering of squeezed states for quantum communication and metrology
Authors:Vahlbruch, Henning; Chelkowski, Simon; Danzmann, Karsten; Schnabel, Roman
Language:English
Date of Publication (YYYY-MM-DD):2007-10
Title of Journal:New Journal of Physics
Volume:9
Start Page:371
Review Status:not specified
Audience:Not Specified
Abstract / Description:We report the experimental realization of squeezed quantum states of light, tailored for new applications in quantum communication and metrology. Squeezed states in a broad Fourier frequency band down to 1 Hz has been observed for the first time. Nonclassical properties of light in such a low frequency band is required for high efficiency quantum information storage in electromagnetically induced transparency (EIT) media. The states observed also cover the frequency band of ultra-high precision laser interferometers for gravitational wave detection and can be used to reach the regime of quantum non-demolition interferometry. And furthermore, they cover the frequencies of motions of heavily macroscopic objects and might therefore support the attempts to observe entanglement in our macroscopic world.
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:DOI:10.1088/1367-2630/9/10/371
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njp7_10_371.pdf  [729,00 Kb] [Comment:open-access Journal]  
 
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