Abstract
We report the first observation of on-chip Brillouin lasing at a 3.3 μm mid-infrared wavelength. A chalcogenide glass ultra-high-Q microresonator with Qint = 2.19 × 107. was used. Cascade Brillouin scattering stretching to the 6th Stokes wave was observed.
© 2023 The Author(s)
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