On-chip hybrid erbium-doped tellurium oxide–silicon nitride distributed Bragg reflector lasers

We demonstrate integrated on-chip erbium-doped tellurite (TeO 2 :Er 3+ ) waveguide lasers fabricated on a wafer-scale silicon nitride platform. A 0.352-µm-thick TeO 2 :Er 3+ coating was deposited as an active medium on 0.2-µm-thick, 1.2- and 1.6-µm-wide, and 22-mm-long silicon nitride waveguides wit...

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