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Bismuth activated alumosilicate optical fibers fabricated by surface-plasma chemical vapor deposition technology.

Applied optics

Bufetov IA, Golant KM, Firstov SV, Kholodkov AV, Shubin AV, Dianov EM.
PMID: 18806855
Appl Opt. 2008 Sep 20;47(27):4940-4. doi: 10.1364/ao.47.004940.

Plasma chemical technology is experimentally applied to the fabrication of a Bi-activated alumosilicate-core pure-silica-cladding fiber preform. To the best of our knowledge, this is the first time this technology has been applied in this way. We measure gain efficiency...

Avalanche-like behavior of up-conversion luminescence by nonlinear coupling of pumping rates.

Optics letters

Korolkov MV, Khodasevich IA, Grabtchikov AS, Mogilevtsev D, Kolobkova EV.
PMID: 31774803
Opt Lett. 2019 Dec 01;44(23):5880-5883. doi: 10.1364/OL.44.005880.

Here we report and discuss the avalanche-like up-conversion behavior in absence of the avalanche. We experimentally observed significant changes in the slope of the curve for the intensity dependence of up-conversion luminescence of erbium ions in the green band...

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