Multiplexed long-range electrohydrodynamic transport and near-field optical trapping with cascaded bowtie photonic crystal nanobeams

Sen Yang; Joshua A. Allen; Chuchuan Hong; Kellen P. Arnold; Sharon M. Weiss; Justus C. Ndukaife

doi:10.1117/12.2633835

3 October 2022 Multiplexed long-range electrohydrodynamic transport and near-field optical trapping with cascaded bowtie photonic crystal nanobeams

Sen Yang, Joshua A. Allen, Chuchuan Hong, Kellen P. Arnold, Sharon M. Weiss, Justus C. Ndukaife

Author Affiliations +

Proceedings Volume PC12198, Optical Trapping and Optical Micromanipulation XIX; PC1219813 (2022) https://doi.org/10.1117/12.2633835
Event: SPIE Nanoscience + Engineering, 2022, San Diego, California, United States

Abstract

We have proposed and systematically studied a cascaded bowtie photonic crystal nanobeam system that can achieve multiplexed long-range electrohydrodynamic transport and optical trapping of nanoscale particles. Ultra-high quality factor and ultra-low mode volume has been demonstrated, providing a strong field gradient ideal for trapping sub-20 nm particles. Combined with an applied alternating current electric field, the localized water absorption induces the electrothermal flow that can efficiently transport nanoparticles to the vicinity of a given bowtie region by switching the input wavelength. We envision this system will be promising in many fields, including single molecule characterization and assembly of single photon emitters.

Conference Presentation

Citation Download Citation

Sen Yang, Joshua A. Allen, Chuchuan Hong, Kellen P. Arnold, Sharon M. Weiss, and Justus C. Ndukaife "Multiplexed long-range electrohydrodynamic transport and near-field optical trapping with cascaded bowtie photonic crystal nanobeams", Proc. SPIE PC12198, Optical Trapping and Optical Micromanipulation XIX, PC1219813 (3 October 2022); https://doi.org/10.1117/12.2633835

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