1Univ. degli Studi di Trento (Italy) 2Istituto di Fotonica e Nanotecnologie (Italy) 3Istituto di Fisica Applicata Nello Carrara (Italy) 4Univ. du Maine (France)
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Rare earth-activated glass-ceramic waveguides constitute a potential significant system to behave as an effective optical medium for light propagation and luminescence enhancement. We present a review on fabrication and optical, structural, and spectroscopic characterization of some kind of rare earth activated oxide glass-ceramic waveguides, obtained by sol-gel route with both bottom-up and top-down approaches, and fluoride glass-ceramic waveguides fabricated by physical vapor deposition.
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