Negative nonlinear absorption in Er3+-doped fluoroindate glass

W. Lozano B.; Cid B. De Araújo; L. H. Acioli; Y. Messaddeq

doi:10.1063/1.368292

Negative nonlinear absorption in Er³⁺-doped fluoroindate glass

W. Lozano B., Cid B. De Araújo, L. H. Acioli, Y. Messaddeq

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21 Scopus citations

Abstract

We report the observation of negative nonlinear absorption in fluoroindate glasses doped with erbium ions. The pumping wavelength is 800 nm which is doubly resonant with Er³⁺ ions transitions. A large nonlinear intensity dependence of the optical transmittance and strong upconverted fluorescence are obtained. The dependence of the upconverted fluorescence intensity with the laser power is described by a system of coupled-rate equations for the energy levels' populations.

Original language	English
Pages (from-to)	2263-2267
Number of pages	5
Journal	Journal of Applied Physics
Volume	84
Issue number	4
DOIs	https://doi.org/10.1063/1.368292
State	Published - 15 Aug 1998
Externally published	Yes

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title = "Negative nonlinear absorption in Er3+-doped fluoroindate glass",

abstract = "We report the observation of negative nonlinear absorption in fluoroindate glasses doped with erbium ions. The pumping wavelength is 800 nm which is doubly resonant with Er3+ ions transitions. A large nonlinear intensity dependence of the optical transmittance and strong upconverted fluorescence are obtained. The dependence of the upconverted fluorescence intensity with the laser power is described by a system of coupled-rate equations for the energy levels' populations.",

author = "{Lozano B.}, W. and {De Ara{\'u}jo}, {Cid B.} and Acioli, {L. H.} and Y. Messaddeq",

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AU - Lozano B., W.

AU - De Araújo, Cid B.

AU - Acioli, L. H.

AU - Messaddeq, Y.

PY - 1998/8/15

Y1 - 1998/8/15

N2 - We report the observation of negative nonlinear absorption in fluoroindate glasses doped with erbium ions. The pumping wavelength is 800 nm which is doubly resonant with Er3+ ions transitions. A large nonlinear intensity dependence of the optical transmittance and strong upconverted fluorescence are obtained. The dependence of the upconverted fluorescence intensity with the laser power is described by a system of coupled-rate equations for the energy levels' populations.

AB - We report the observation of negative nonlinear absorption in fluoroindate glasses doped with erbium ions. The pumping wavelength is 800 nm which is doubly resonant with Er3+ ions transitions. A large nonlinear intensity dependence of the optical transmittance and strong upconverted fluorescence are obtained. The dependence of the upconverted fluorescence intensity with the laser power is described by a system of coupled-rate equations for the energy levels' populations.

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VL - 84

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JO - Journal of Applied Physics

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Negative nonlinear absorption in Er³⁺-doped fluoroindate glass

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