Erbium-doped tellurium oxide distributed Bragg reflector lasers on silicon nitride chips

Bruno L. Segat Frare,Dawson B. Bonneville,Hamidu M. Mbonde,Pooya Torab Ahmadi, Batoul Hashemi,Henry C. Frankis,Peter Mascher,Jonathan D. B. Bradley

INTEGRATED OPTICS: DEVICES, MATERIALS, AND TECHNOLOGIES XXVII（2023）

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摘要

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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关键词

Integrated photonics, silicon nitride, tellurite, rare earths, erbium, on-chip lasers, gratings, distributed Bragg reflectors

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