Strongly squeezed states at 532 nm based on frequency up-conversion

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989592%3A15310%2F15%3A33154713" target="_blank" >RIV/61989592:15310/15:33154713 - isvavai.cz</a>
Result on the web
<a href="https://www.osapublishing.org/oe/abstract.cfm?uri=oe-23-12-16035" target="_blank" >https://www.osapublishing.org/oe/abstract.cfm?uri=oe-23-12-16035</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1364/OE.23.016035" target="_blank" >10.1364/OE.23.016035</a>

Result language
angličtina
Original language name
Strongly squeezed states at 532 nm based on frequency up-conversion
Original language description
Quantum metrology utilizes nonclassical states to improve the precision of measurement devices. In this context, strongly squeezed vacuum states of light have proven to be a useful resource. They are typically produced by spontaneous parametric down-conversion, but have not been generated at shorter wavelengths so far, as suitable nonlinear materials do not exist. Here, we report on the generation of strongly squeezed vacuum states at 532 nm with 5.5 dB noise suppression by means of frequency up-conversion from the telecommunication wavelength of 1550 nm. The up-converted states are employed in a model Mach-Zehnder interferometer to illustrate their use in quantum metrology. (C) 2015 Optical Society of America
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
BH - Optics, masers and lasers
OECD FORD branch
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Project
<a href="/en/project/7E13032" target="_blank" >7E13032: Bright Squeezed Vacuum and its Applications</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2015
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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