Abstract
We implement Euler bends to build compact high-Q Si3N4 racetrack microresonators, featuring a small footprint of only 0.21 mm2 for 19.8 GHz free spectral range. We demonstrate that these multi-mode microresonators can be operated in the single-mode regime and generate a single soliton microcomb.
© 2022 The Author(s)
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