Blanc SIMI 4 - Blanc - SIMI 4 - Physique des milieux condensés et dilués

Bismuth-doped Optical fibres. Advanced Technology and Spectroscopy. – BOATS

Submission summary

Novel approach to the problem of Near Infra-Red (NIR) emission in Bismuth-doped silica glasses is proposed. The core of our technology consists in the use of nano-porous silica xerogels. The xerogels will be doped by conventional solution doping technique with molecular engineered nano-sized dinuclear and heteronuclear Bismuth-containing precursors. The high temperature sintering of doped xerogels results the bulk silica preforms containing predominantly one particular optical centre. Developed in this way Bismuth-doped glasses will be investigated by standard CW and time-resolved optical spectroscopy in a wide temperature range (1.5 - 500K) and by the advanced techniques like pulsed EPR (X- and Q-band) and Optically Detected Magnetic Resonance (ODMR, V-band) at low temperatures. These investigations will allow to establish the energy level diagram for each optical centre of interest (centre in a pure silica sub-network, aluminium-connected and phosphorus-connected) and to clarify the spin multiplicity of the ground and excited state levels. The complete description of electronic states, in turn, should allow the elucidating the nature of the centres responsible for the NIR photoluminescence (PL). Bismuth-doped photonic crystal fibres (PCF) will be developed on the basis of the results of fundamental investigations and studied as the active media for fibre laser applications in three spectral ranges (1100-1200, 1270-1380 and 1410-1470 nm).

Project coordination

Igor RAZDOBREEV (Laboratoire de Physique des Lasers, Atomes et Molecules, UMR CNRS 8523, Institut de Recherches sur les Composants logiciel et matériels pour l'Information et la Communication Avancée, FR CNRS 3024) – igor.razdobreev@univ-lille1.fr

The author of this summary is the project coordinator, who is responsible for the content of this summary. The ANR declines any responsibility as for its contents.

Partner

IICUV Institute of Inorganic Chemistry, University of Vienna
LASIR Laboratoire de Spectrochimie Infrarouge et Raman, UMR CNRS 8516
PhLAM/IRCICA Laboratoire de Physique des Lasers, Atomes et Molecules, UMR CNRS 8523, Institut de Recherches sur les Composants logiciel et matériels pour l'Information et la Communication Avancée, FR CNRS 3024

Help of the ANR 392,720 euros
Beginning and duration of the scientific project: January 2013 - 36 Months

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