25 October 2011 Study of upconversion in PCFs with high erbium concentration
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We report on a comparison of characterization techniques for high concentration erbium-doped photonic crystal fibres (PCFs). A highly erbium-doped-silica PCF was fabricated and an amplifier based on the PCF was built. Then, measurements on the amplifier output optical powers were carried out. To model the amplifier, three different formalisms were assumed for the Er3+-ion upconversion mechanism and the numerical results were fitted to the experimental ones. The sets of best-fit parameters are compared and the use of these techniques for active PCF characterisation is discussed.
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Víctor Berdejo, Víctor Berdejo, Juan A. Vallés, Juan A. Vallés, Miguel Á. Rebolledo, Miguel Á. Rebolledo, Antonio Diez, Antonio Diez, Juan C. Martin, Juan C. Martin, José A. Sanchez-Martin, José A. Sanchez-Martin, José M. Álvarez, José M. Álvarez, Miguel V. Andrés, Miguel V. Andrés, "Study of upconversion in PCFs with high erbium concentration", Proc. SPIE 8011, 22nd Congress of the International Commission for Optics: Light for the Development of the World, 801155 (25 October 2011); doi: 10.1117/12.902699; https://doi.org/10.1117/12.902699

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