I. Barton,1 M. Franczyk,2 P. Peterka,1 J. Aubrecht,1 P. Vařák,1 M. Kamrádek,1 O. Podrazkýhttps://orcid.org/0000-0003-4255-9366,1 R. Kasztelanic,3 R. Buczynski,2 I. Kašík1
1Institute of Photonics and Electronics of the CAS, v.v.i. (Czech Republic) 2Institute of Photonics and Electronics (Poland) 3Institute of Photonics and Electronics of the CAS, v.v.i. (Poland)
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Recent evolution in nanoscience and nanotechnologies has brought novel possibilities in the development of optical fibers. Dual-wavelength fiber lasers have attracted scientific attention due to their prospective applications in fields including next-generation optical fiber communication, ranging systems, and spectroscopy. Nanostructurization has shown itself as a suitable method for preparing fiber lasers operating simultaneously at dual wavelengths. We report on the design of nanostructured or “pixelated” core fabricated by assembling erbium- and ytterbium elements, as well as on the optimization of the average concentration of rare earth elements using numerical modeling. Preliminary experimental results of erbium- and ytterbium-doped nanostructured-core fiber will be presented.
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I. Barton, M. Franczyk, P. Peterka, J. Aubrecht, P. Vařák, M. Kamrádek, O. Podrazký, R. Kasztelanic, R. Buczynski, I. Kašík, "Optimization of erbium and ytterbium concentration in nanostructured core fiber for dual-wavelength fiber lasers," Proc. SPIE 12573, Specialty Optical Fibres, 1257311 (30 May 2023); https://doi.org/10.1117/12.2666703