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Photon-avalanche upconversion of red light into blue light in a thulium-doped fluorozirconate fibre

By D.P. Shepherd, S. Guy, M.F. Joubert, B. Jacquier and H. Poignant


We report the investigation of the photon-avalanche effect in heavily thulium-doped fluorozirconate fibre. Pumping at red wavelengths, which are not resonant with the ground-state absorption, gives blue emission at 450nm and 480nm

Topics: TK, QC
Publisher: IEEE
Year: 1996
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Provided by: e-Prints Soton

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