Spectral Separation of Up-Conversion Luminescence Processes
Source abstract
Abstract
Here, we present a novel method for the separation of overlapping emission spectral lines corresponding to nonlinear processes, which differ by effective nonlinearity with respect to the pump field power. The method exploits the factorization of wavelength and pumping power dependencies of the components processes contributions to the total luminescence. The advantage of our method is an ability to be self-testing and robust with respect to noise and experimental imperfections. We successfully demonstrate functionality of the method in the experiment with up-conversion luminescence of the fluorophosphate glass doped with rare-earth ions Yb3+ and Tm3+ pumped by 975 nm CW diode laser.
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Research context
OpenAlex topics: Photorefractive and Nonlinear Optics · Solid State Laser Technologies · Glass properties and applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
B.I. Stepanov Institute of Physics, NAS of Belarus, Nezavisimosti Ave. 68, 220072 Minsk, Belarus
Funding
BRFFR · State Program for scientific investigations “Photonics and microelectronics for innovations” task 1.2
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