Emission decay and energy transfer in Yb/Tm Y-codoped fibers based on nano-modified glass

Dmitry Klimentov*, Vladislav V. Dvoyrin, Arindam Halder, Mukul Chandra Paul, Shyamal Das, Shyamal K. Bhadra, Irina T. Sorokina

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

We report the results of an experimental investigation and theoretical analysis of luminescence decay in Yb/Tm Y-codoped fibers based on nano-modified glass. Based on the experimental results, numerical simulations allowed us to estimate the energy transfer efficiency between Yb3+ and Tm3+ ions. It was shown that yttria enhances the Yb/Tm energy transfer making fibers with Y-codoping a promising candidate for the development of light sources for laser applications and up-conversion emitters for visualization applications. These fibers demonstrate energy transfer efficiency of ∼50%, which makes them attractive for diode-pumping of Yb-ions at a wavelength of 975 nm.

Original languageEnglish
Pages (from-to)270-275
Number of pages6
JournalOptical Materials
Volume42
DOIs
Publication statusPublished - 1 Apr 2015

Bibliographical note

© 2015, Elsevier. Licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International http://creativecommons.org/licenses/by-nc-nd/4.0/

Keywords

  • Energy transfer
  • Fiber optics
  • Infrared fiber lasers

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