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5 October 2023 Optical trapping with magnetic fields of light
Yanzeng Li, Rosalind Huang, Jumanah AlMalki, Marcos Perez, Uttam Manna, Mahua Biswas, Norbert F. Scherer
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Proceedings Volume PC12649, Optical Trapping and Optical Micromanipulation XX; PC126490W (2023) https://doi.org/10.1117/12.2675571
Event: SPIE Nanoscience + Engineering, 2023, San Diego, California, United States
Abstract
Optical trapping is a powerful tool for studying fundamental physics on the nanoscale as described by electric field-based light-matter interactions. However, the range of capabilities would be greatly enhanced by understanding its magnetic counterpart. Our studies provide experimental evidence of optical magnetic trapping. In particular, our work identifies new forces in optical trapping of Si nanoparticles stemming from the Photonic Hall Effect. We also discovered optical-driven Brownian engines at the single-particle level whose counterintuitive behavior originates from optical magnetic light-matter interactions. As a result, optical magnetic trapping now offers new opportunities for particle manipulation in optical beams.
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Yanzeng Li, Rosalind Huang, Jumanah AlMalki, Marcos Perez, Uttam Manna, Mahua Biswas, and Norbert F. Scherer "Optical trapping with magnetic fields of light", Proc. SPIE PC12649, Optical Trapping and Optical Micromanipulation XX, PC126490W (5 October 2023); https://doi.org/10.1117/12.2675571
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KEYWORDS
Magnetism
Optical tweezers
Quantum fields
Nanoparticles
Quantum light
Silicon
Quantum optics experiments
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