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      Q/V enhancement of Si micropillar resonator with Bragg reflectors in BIC regime

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          Abstract

          We show how the recently found quasi-bound state in the continuum optical states in dielectric antennae can be utilized to engineer pillar microcavities design with the substantially optimized quality factor to mode volume ratio.

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          Bound States in the continuum in photonics.

          With examples of two parallel dielectric gratings and two arrays of thin parallel dielectric cylinders, it is shown that the interaction between trapped electromagnetic modes can lead to scattering resonances with practically zero width. Such resonances are the bound states in the radiation continuum first discovered in quantum systems by von Neumann and Wigner. Potential applications of such photonic systems include: large amplification of electromagnetic fields within photonic structures and, hence, enhancement of nonlinear phenomena, biosensing, as well as perfect filters and waveguides for a particular frequency, and impurity detection.
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            Cavity optomechanics with ultrahigh-\(Q\)crystalline microresonators

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              Author and article information

              Journal
              24 June 2019
              Article
              1906.09849
              9eb8cdab-247b-4e52-bbdf-764574d61c70

              http://arxiv.org/licenses/nonexclusive-distrib/1.0/

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              Custom metadata
              5 pages, 3 figures
              physics.optics

              Optical materials & Optics
              Optical materials & Optics

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