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We demonstrate self-sustained mechanical oscillations at room temperature and ambient pressure in a silicon photonic crystal slot-cavity fabricated by a CMOS-Foundry. Optical quality factor as high as Qopt = 4 × 105 and an optomechanical coupling rate of g0/2π = 76 kHz are observed.
We demonstrate an optomechanical resonator that can tightly confine phonons through a circular phononic shield. Our design allows for independently trimmable long living optical and mechanical modes with large optomechanical coupling.
We demonstrate fourfold quality factor (Q) enhancement with microring resonators internally coupled to larger microring resonator. Q ∼ 37,000 is obtained for a 5 μm radius microring in a 40 μm × 40 μm footprint device.
We present and demonstrate a novel electro-opto-mechanical structure based on a slotted waveguide photonic-crystal cavity, in which electrostatics and optics couple simultaneously to the same “phonon” resonance.
We demonstrate electromagnetically induced transparency and slow light in an optomechanical cavity, at cryogenic and ambient conditions, and show effects analogous to electromagnetically induced absorption.
Work towards semiconductor nanolasers at λ = 1.3 µm in optomechanically coupled one dimensional photonic-crystal cavities is presented. Optical mode spectroscopy and on-chip tuning capability based on capacitive actuation is developed. Experimental and theoretical results are presented.
We propose, analyze, design, and take the first experimental steps towards the demonstration of an on-chip device capable of converting photons to phonons, and vice versa, in a nearly quantum-limited setting.
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