All-dielectric nanophotonic optical tweezers for lossless manipulation of biologically-relevant molecules

J. J. Hernández Sárria; Osvaldo N. Oliveira Jr.; J. R. Mejía-Salazar

doi:10.1117/12.2606905

3 March 2022 All-dielectric nanophotonic optical tweezers for lossless manipulation of biologically-relevant molecules

J. J. Hernández Sárria, Osvaldo N. Oliveira Jr., J. R. Mejía-Salazar

Proceedings Volume 11976, Nanoscale Imaging, Sensing, and Actuation for Biomedical Applications XIX; 1197602 (2022) https://doi.org/10.1117/12.2606905
Event: SPIE BiOS, 2022, San Francisco, California, United States

Abstract

The use of enhanced electromagnetic fields in nanophotonic structures is moving from plasmonic to all-dielectric platforms in order to overcome the intrinsic Ohmic losses from metal inclusions. In this work, we demonstrate that strong electromagnetic fields may be generated in the infrared without heating the nearby molecules by exciting anapole modes in a slotted all-dielectric cylinder on a glass substrate surrounded by water. Numerical calculations are used to prove that the platform is useful to manipulate small biomolecules without heating.

Conference Presentation

Citation Download Citation

J. J. Hernández Sárria, Osvaldo N. Oliveira Jr., and J. R. Mejía-Salazar "All-dielectric nanophotonic optical tweezers for lossless manipulation of biologically-relevant molecules", Proc. SPIE 11976, Nanoscale Imaging, Sensing, and Actuation for Biomedical Applications XIX, 1197602 (3 March 2022); https://doi.org/10.1117/12.2606905

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