M. Ferraro, F. Mangini, M. Zitelli, Alioune Niang, Alessandro Tonello, Vincent Couderc, Stefan Wabnitz. Multiphoton Absorption Excited Upconversion Luminescence in Multimode Optical Fiber. In European Conference on Optical Communications, ECOC 2020, Virtual Event, Belgium, December 6-10, 2020. pages 1-3, IEEE, 2020. [doi]
Abstract is missing.