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Diamond optomechanical crystals
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DOI：10.1364/OPTICA.3.001404.png)
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Cavity-optomechanical systems realized in single-crystal diamond are poised to benefit from its extraordinary material properties, including low mechanical dissipation and a wide optical transparency window. Diamond is also rich in optically active defects, such as the nitrogen-vacancy (NV) and silicon-vacancy (SiV) centers, which behave as atom-like systems in the solid state. Predictions and observations of coherent coupling of the NV electronic spin to phonons via lattice strain have motivated the development of diamond nanomechanical devices aimed at the realization of hybrid quantum systems in which phonons provide an interface with diamond spins. In this work, we demonstrate diamond optomechanical crystals (OMCs), a device platform to enable such applications, wherein the co-localization of similar to 200 THz photons and few to 10 GHz phonons in a quasi-periodic diamond nanostructure leads to coupling of an optical cavity field to a mechanical mode via radiation pressure. In contrast to other material systems, diamond OMCs operating in the resolved-sideband regime possess large intracavity photon capacities (> 10(5)) and sufficient optomechanical coupling rates to reach a cooperativity of similar to 20 at room temperature, allowing for the observation of optomechanically induced transparency and the realization of large-amplitude optomechanical self-oscillations. (C) 2016 Optical Society of America
Keyword:
MECHANICAL RESONATOR
CAVITY
CONVERSION
MICROWAVE
CIRCUITS
LIGHT
SPIN
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被引数:
2.1W
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Optical transduction and routing of microwave phonons in cavity-optomechanical circuits.png)
NATURE PHOTONICS
NATURE PHOTONICSIF32.9
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