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Wavelength-sized silicon disk cavities in superfluid helium exhibit blue-shifted bistability near the λ-point when subject to high optical input power. At lower temperature, we observe symmetric lineshapes and obtain a large intracavity photon number of 40,000.
We develop a piezoelectrically actuated, one-dimensional photonic and phononic crystal nanocavity fabricated from aluminum nitride. High-quality piezo-optomechanical nanobeam cavities with optical Qo of 1.2 × 105 and mechanical Qm over 10,000 are obtained.
We develop an all-integrated optoelectromechanical system that operates up to 4.20 GHz. The in-plane bulk acoustic modes of a photonic crystal membrane are electrocapacitively actuated and optically detected by a high-Q slotted photonic crystal cavity.
We present a nano-optomechanical system consisting of a 25-fg doubly-clamped nanomechanical resonator embedded in an engineered high-Q (Qo∼10,000) defect nanocavity supported by two-dimensional photonic crystal. Optically transduced flexural nanomechanical motion is demonstrated at 1 GHz.
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