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Self-assembled gratings in chalcogenide microresonators for ultralow-threshold integrated Brillouin lasers

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Abstract

We present a reconfigurable selective mode splitting based on self-assembled refractive index grating in integrated GeSbS microresonators, enabling an efficient Brillouin laser with a record low threshold power of 0.46 mW in chalcogenide microresonators.

© 2023 The Author(s)

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