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Journals and Conferences
We report the first demonstration of high-quality (Q<sub>i</sub> ~ 2.8-3.2×10<sup>3</sup>)3C silicon carbide photonic crystal nanobeams. With the strong optomechanical coupling (g<sub>OM</sub>/2π ~ 100 GHz/nm), we observed clear optical transduction of the thermal mechanical motion of the coupled nanobeams.
The production of helium 2 1S singlet metastable atoms has been investigated using a hollow cathode discharge and a Penning discharge, under dc discharge conditions. The density of metastable atoms was measured by atomic absorption using the 2 1S–3 1P transition (501.57 nm). A range of plasma currents, varying from 16 to 180 mA, and a range of pressures,… (More)
We demonstrate silicon carbide optomechanical microresonators with mechanical frequency up to 1.7GHz, mechanical quality above 5500 and optomechanical coupling around 100GHz/nm. The frequency can match the zero-field splitting of the defect spin in silicon carbide.