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5 October 2023 Optical force spectroscopy of bright SiV nanodiamonds
Cyril Laplane, James White, Reece P. Roberts, David Inglis, Thomas Volz
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Proceedings Volume PC12649, Optical Trapping and Optical Micromanipulation XX; PC126490Z (2023) https://doi.org/10.1117/12.2678800
Event: SPIE Nanoscience + Engineering, 2023, San Diego, California, United States
Abstract
We are interested in the optomechanical manipulation of nanodiamonds with a high concentration of SiV centers. Optical tweezers usually rely on the interaction of light and the ‘bulk’ polarizability of the nanoparticle itself. Here we exploit the polarizability of electronic resonances of optical centers embedded in the solid-state matrix to enhance the optical forces. This effect becomes particularly relevant for ensembles of active centers. The emitters being closely packed in a sub-wavelength volume, can act cooperatively, enhancing further the optical forces. We will show the optical force spectroscopy of nanodiamonds with different levels of brightness in a specifically designed optofluidic microchip. Our results open the possibility to extend the use of optical tweezers beyond current capabilities and apply the powerful toolbox of atomic physics for the quantum manipulation of ‘massive’ mesoscopic objects.
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Cyril Laplane, James White, Reece P. Roberts, David Inglis, and Thomas Volz "Optical force spectroscopy of bright SiV nanodiamonds", Proc. SPIE PC12649, Optical Trapping and Optical Micromanipulation XX, PC126490Z (5 October 2023); https://doi.org/10.1117/12.2678800
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KEYWORDS
Nanodiamonds
Optical spectroscopy
Spectroscopy
Microfluidics
Nanoparticles
Optical tweezers
Solid state electronics
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