Excited-state absorption in erbium-doped silica fiber with simultaneous excitation at 977 and 1531 nm
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Excited-state absorption in erbium-doped silica fiber with simultaneous excitation at 977 and 1531 nm

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Excited-state absorption in erbium-doped silica fiber with simultaneous excitation at 977 and 1531 nm

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dc.contributor.author Barmenkov, Yu. O.
dc.contributor.author Kir’yanov, A. V.
dc.contributor.author Guzmán Chávez, A. D.
dc.contributor.author Cruz Muñoz, José Luis
dc.contributor.author Andrés Bou, Miguel Vicente
dc.date.accessioned 2010-04-28T09:56:13Z
dc.date.available 2010-04-28T09:56:13Z
dc.date.issued 2009
dc.identifier.uri http://hdl.handle.net/10550/2316
dc.language.iso en en
dc.source BARMENKOV, Yu. O. ; KIR'YANOV, A. V. ; GUZMÁN-CHÁVEZ, A. D. ; CRUZ, José-Luis ; ANDRÉS, Miguel V. Excited-state absorption in erbium-doped silica fiber with simultaneous excitation at 977 and 1531 nm. En: Journal of Applied Physics, 2009, vol. 106 en
dc.subject Doping ; Erbium ; Excited states ; Fibre lasers ; Optical pumping ; Silicon compounds en
dc.title Excited-state absorption in erbium-doped silica fiber with simultaneous excitation at 977 and 1531 nm en
dc.type info:eu-repo/semantics/article en
dc.type info:eu-repo/semantics/publishedVersion en
dc.subject.unesco UNESCO::FÍSICA en
dc.identifier.doi http://dx.doi.org/10.1063/1.3248369 en
dc.description.abstractenglish We report a study of the excited-state absorption (ESA) in erbium-doped silica fiber (EDF) pumped at 977 nm, when the fiber is simultaneously excited by signal radiation at 1531 nm. We show, both experimentally and theoretically, that ESA efficiency at 977 nm gets strongly enhanced only in the presence of signal power. Experimentally, this conclusion is supported through the detection of upconversion emission, a “fingerprint” of the ESA process, and through the measurements of the EDF nonlinear transmission coefficient for the pump wavelength, which is sensitive to the ESA value. It is shown that the experimental data are precisely modeled with an advanced five-level Er3+ model developed for the EDF. en
dc.description.private Jose.L.Cruz@uv.es Miguel.Andres@uv.es en

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