Seminar Announcement: Wilfried Blanc
Data pubblicazione: 4-ott-2019 9.11.30
Tuesday, 1 October 2019, 10:30
Sala Grande Palazzina C via alla Cascata 56/C
"Light scattering in nanoparticles doped optical fibers, an issues"
Université Côte d'Azur, CNRS INPHYNI,
UMR 7010 Parc Valrose 06100 Nice,
The successes of glass photonics are many, with a large spectrum of applications covering Information and Communication Technology, Health and Biology, Structural Engineering, and Environment Monitoring Systems, etc. A paradigmatic example is the development of the Erbium-Doped Fiber Amplifier (EDFA) allowing the raise of optical telecommunications and high-speed internet. Silica glass is the most common glass used for photonics applications. However, certain of its characteristics may be detrimental for luminescence properties (low rare-earth solubility, high phonon energy, etc). To overcome these limitations, the use of nanoparticles in optical waveguides is gaining large interest in modern photonic technology. Such waveguides would combine the advantages of silica (transparency, cost, chemical and mechanical durability, etc.) and the specific properties provided by the nanoparticles which encapsulate the rare-earth ions. During this presentation, we will discuss on the opportunities offer for lasers and amplifiers thanks to the engineering of the spectroscopic properties and the management of nanoparticlesinduced light scattering.