Shedding light on nonlinear loss occurring close to multimode optical fiber damage threshold, we demonstrate that multiple photons are absorbed by material defects and upconverted to shorter wavelength luminescence. An array of blue emitting points results from the spatial self-imaging in graded-index fibers.
Multiphoton absorption excited upconversion luminescence in multimode optical fiber / Ferraro, M.; Mangini, F.; Zitelli, M.; Niang, A.; Tonello, A.; Couderc, V.; Wabnitz, S.. - (2020), pp. 1-3. (Intervento presentato al convegno 46th European Conference on Optical Communications, ECOC 2020 tenutosi a Brussels, Belgium) [10.1109/ECOC48923.2020.9333292].
Multiphoton absorption excited upconversion luminescence in multimode optical fiber
Ferraro M.;Mangini F.;Zitelli M.;Wabnitz S.
2020
Abstract
Shedding light on nonlinear loss occurring close to multimode optical fiber damage threshold, we demonstrate that multiple photons are absorbed by material defects and upconverted to shorter wavelength luminescence. An array of blue emitting points results from the spatial self-imaging in graded-index fibers.| File | Dimensione | Formato | |
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