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{\rm Er}^{3+} Concentration Effects in Commercial Erbium-Doped Silica Fibers Fabricated Through the MCVD and DND Technologies

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4 Author(s)
Kir'yanov, A.V. ; Centro de Investig. en Opt., Leon, Mexico ; Barmenkov, Y.O. ; Sandoval-Romero, G.E. ; Escalante-Zarate, L.

Commercial Erbium doped silica fibers fabricated through the modified chemical vapor deposition and direct nanoparticle deposition processes where Er3+ concentration is varied in a wide range are characterized by means of analyses of Er3+ fluorescence decay kinetics and nonlinear absorption coefficient at 978-nm pumping. Through theoretical modeling of the results of the entire experiment, the values of key parameters for the concentration-related effects, i.e., homogeneous and inhomogeneous upconversion processes, are determined.

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Quantum Electronics, IEEE Journal of  (Volume:49 ,  Issue: 6 )