Rare-earth doped glass waveguides for visible, near-IR and mid-IR lasers and amplifiers
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The paper explains the significance of rare-earth (RE) ion-glass host interaction for engineering waveguide devices, which can potentially bring together short fibre or planar waveguides with a single pump source and filters together for designing a fully integrated photonic structure. In this paper we review and exemplify new results in the light of the ion-host interactions in Sm3+-, Er3+-, Tm3+- and Ho3+-doped tellurium and fluorosilicate oxide hosts for photoluminescence analysis at visible, near-IR, and mid-IR wavelengths. The emphasis in this paper is to exploit currently available fibre-pigtailed 980 nm and multimode high-wattage 800 nm pumps for both up and down conversion schemes. Potential applications of these integrated devices are also explained.
KeywordsPump Power Bulk Glass Tellurite Glass Upconversion Emission Fluorophosphate
The authors acknowledge the financial support from the Engineering and Physical Science Research Council for the Platform Grant (GR/T19889/01), the Multi-core fibre (EP/C515226/01) and broadband amplifiers (GR/R31454/01) projects.
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