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Optomechanical vibration of a nanofilm arising from luminescence-induced optical force

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posted on 2023-01-12, 15:42 authored by Hideki Arahari, Hajime Ishihara
Optical force, which is generated by the exchange of momentum between light and matter, has been applied in a wide range of fields including molecular biology, photochemistry, and optomechanics as a technique to manipulate small objects for atomic and micro-sized regimes. So far, the main approach for various optical manipulations has been the geometric design of the irradiated light, such as optical vortices and localized surface plasmons. On the other hand, luminescence from materials should also act as optical force, which we call luminescence-induced optical force (LiOF). LiOF occurs by designing an anisotropic dielectric environment surrounding an isotropic emitter. In this paper, as a model, we assumed a Fabry-Perot cavity structure in which a luminescent nanofilm is placed parallel to a metallic mirror. Then, we theoretically calculated the LiOF and revealed that the LiOF could drive the vibrational motion of the film. This mechanism will provide new insights into developing unconventional optomechanics.

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