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We demonstrate photonic-crystal nanobeam cavities in amorphous SiC. The fundamental mode exhibits intrinsic-Q of 7.69×104 with mode volume of 0.60(λ/n)3. This is, to the best of our knowledge, the highest Q/V value in SiC cavities.
We demonstrate a convenient approach for precise dispersion engineering of silicon microdisk resonators via thermal oxidation. This technique potentially enables efficient correlated photon-pair generation for quantum photonics.
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.
We demonstrate selective mode splitting (SMS) in microresonators. SMS can split one selected optical mode up to 1.25 nm with other modes unperturbed. This opens a new gate for phasematching in parametric oscillations in microresonators.
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