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Visible 780 nm SBS laser with mW level threshold in an ultra-high 145 million Q integrated waveguide resonator

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Abstract

We demonstrate 780nm Brillouin lasing in a waveguide coupled Si3N4 resonator with record-low loss (0.36dB/m) and record-high Qi =145x106. A 3mW S1 threshold is measured and cascaded S2 and S3 operation are demonstrated.

© 2023 The Author(s)

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