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13 April 2000 Properties of Er3+-doped glasses for waveguide and fiber lasers
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Proceedings Volume 3942, Rare-Earth-Doped Materials and Devices IV; (2000)
Event: Symposium on Integrated Optoelectronics, 2000, San Jose, CA, United States
Er3+ emission and laser properties at 1.5 micrometers have been studied in a fluoride phosphate glass (FP20) and in different meta- and ultraphosphate glasses. Moreover, the commercial Kigre QW phosphate glass has been investigated. The effect of glass composition, oxygen bubbling during melting procedure, and sodium content on Judd-Ofelt parameters, on linewidth, and emission cross section at 1.5 micrometers has been determined. Emission decay behavior and lifetimes at 1.5 micrometers have been examined with respect to OH content, Er3+ concentration, and calculated emission lifetime. Gain spectra were calculated for FP20 and QX glass for estimation of laser output and tuning range. Laser performance has been investigated for FP20, QX and ultraphosphate glasses. The laser properties are discussed in terms of gain spectra characteristics, emission cross sections, OH content, and optical quality of the samples. Results demonstrate that the FP20 glass is a very attractive host material for broadband amplifiers and ultraphosphate glasses have a potential for application in high peak power lasers. Furthermore, it is shown that the use of high sodium oxide content required for fabrication of ion-exchanged waveguides does not deteriorate the Er3+ emission properties.
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H. Ebendorff-Heidepriem, Doris Ehrt, Jens Philipps, Thomas Toepfer, Adolfo Speghini, Marco Bettinelli, and Roy Sun Fat Wong "Properties of Er3+-doped glasses for waveguide and fiber lasers", Proc. SPIE 3942, Rare-Earth-Doped Materials and Devices IV, (13 April 2000);


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