Weak-signal conversion from 1550 to 532 nm with 84% efficiency

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989592%3A15310%2F14%3A33149931" target="_blank" >RIV/61989592:15310/14:33149931 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.1364/OL.39.002979" target="_blank" >http://dx.doi.org/10.1364/OL.39.002979</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1364/OL.39.002979" target="_blank" >10.1364/OL.39.002979</a>

Result language
angličtina
Original language name
Weak-signal conversion from 1550 to 532 nm with 84% efficiency
Original language description
We report on the experimental frequency conversion of a dim, coherent continuous-wave light field from 1550 to 532 nm with an external photon-number conversion efficiency of (84.4 +/- 1.5)%. In contrast to previous works, our conversion efficiency valueincorporates all losses before the photoelectric detection, including those introduced by frequency filters. We used sum-frequency generation, which was realized in a standing-wave cavity built around a periodically poled type I potassium titanyl phosphate (PPKTP) crystal, pumped by an intense field at 810 nm. Our result is in full agreement with a numerical model. For optimized cavity coupler reflectivities, it predicts a conversion efficiency of up to 93% using the same PPKTP crystal. (C) 2014 OpticalSociety 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/EE2.3.20.0060" target="_blank" >EE2.3.20.0060: International Centre for Information and Uncertainty</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2014
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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