Plasmonic Optical Tweezers based on Nanostructures: fundamentals, advances and prospects

Abstract

The ability of metallic nanostructures to confine light at the sub-wavelength scale enables new perspectives and opportunities in the field of nanotechnology. Making use of this unique advantage, nano-optical trapping techniques have been developed to tackle new challenges in a wide range of areas from biology to quantum optics. In this work, starting from basic theories, we present a review of research progress in near-field optical manipulation techniques based on metallic nanostructures, with an emphasis on some of the most promising advances in molecular technology, such as the precise control of single-biomolecules. We also provide an overview of possible future research directions of nano-manipulation techniques.

19 pages

References in corpus (2)

• Plasmon enhanced optical tweezers with gold-coated black silicon
• Optical tweezers with enhanced efficiency based on laser-structured substrates

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• Nanoparticles manipulation in 3D nanotips excited with plasmonic vortex
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• Switchable two-state plasmonic tweezers for dynamic manipulation of nano-objects
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• Resonant optical trapping of Janus nanoparticles in plasmonic nanoaperture
• Lateral recoil optical forces on nanoparticles near nonreciprocal surfaces