Broadband emission in Er(3+)-Tm(3+) codoped tellurite fibre.

Abstract

The visible and near infrared emission spectra of Er(3+)-Tm3(3+)-codoped tellurite glasses and fibres were measured with the excitation of an 800 nm laser. A broad emission extending from 1.35 mum to 1.6 mum with a full width at half-maximum (FWHM) of ~160 nm was recorded in a 24 cm long 0.2 wt% Er(2)O(3) and 1.0 wt% Tm(2)O(3) codoped tellurite fibre… (More)

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