In this talk we present on recent advancements in hybrid-glass waveguides on silicon photonic platforms. We describe novel monolithic hybrid integration approaches and waveguide designs for functional glass claddings on silicon-on-insulator (SOI). We describe our results on low-loss hybrid tellurite-silicon waveguides, high-Q resonators, and amplifiers and lasers and our recent efforts to optimize their performance and utility in silicon photonic systems. Such devices are promising for new functionalities in sensing, metrology, computing, and communications applications.
We demonstrate integrated distributed Bragg reflector lasers on a hybrid platform composed of silicon nitride waveguides coated with erbium-doped tellurium dioxide. The asymmetrical laser cavities are enclosed by gratings patterned on the 2.2-cm-long waveguide walls. Cavities with varying grating strengths are studied, yielding laser efficiencies up to 0.36%, a minimum lasing threshold of 13 mW, and emission wavelengths between 1530 and 1565 nm.
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