Nanoscale Optical Imaging of 2D Semiconductor Stacking Orders by ExcitonâEnhanced Second Harmonic Generation
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Optical Materials"
DOI: 10.1002/adom.202200085
Abstract: Second harmonic generation (SHG) is a nonlinear optical response arising exclusively from broken inversion symmetry in the electric-dipole limit. Recently, SHG has attracted widespread interest as a versatile and noninvasive tool for characterization of crystal… read more here.
Keywords: harmonic generation; optical imaging; nanoscale optical; symmetry ... See more keywords
Nanoscale optical voltage sensing in biological systems
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Luminescence"
DOI: 10.1016/j.jlumin.2020.117719
Abstract: Abstract Local electric fields modulate a variety of cellular processes and are particularly relevant in the nervous system. Signal propagation along an axon occurs through small (around 100 mV) rapid changes in the potential across… read more here.
Keywords: voltage; voltage sensors; voltage sensing; optical voltage ... See more keywords
Nanoscale optical lattices of arbitrary orders manipulated by plasmonic metasurfaces combining geometrical and dynamic phases.
Sign Up to like & getrecommendations! Published in 2019 at "Nanoscale"
DOI: 10.1039/c9nr03381e
Abstract: Metasurfaces can be used to manipulate light at the subwavelength scale, and miniaturized photonic devices can be designed to generate subwavelength lattices, which are important for exploring phenomena in novel fields of physics such as… read more here.
Keywords: optical lattices; lattices arbitrary; dynamic phases; arbitrary orders ... See more keywords
Optical chirality of vortex beams at the nanoscale.
Sign Up to like & getrecommendations! Published in 2023 at "Nanoscale"
DOI: 10.1039/d2nr05426d
Abstract: In this work we undertake a systematic study of the optical chirality density of Laguerre-Gaussian and Bessel laser beams tightly focused into nanoscale volumes. In particular we highlight the unique contributions to optical chirality from… read more here.
Keywords: nanoscale optical; optical chirality; beams nanoscale; chirality vortex ... See more keywords
Nanoscale Optical Wireless Channel Model for Intra-Body Communications: Geometrical, Time, and Frequency Domain Analyses
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Communications"
DOI: 10.1109/tcomm.2017.2787703
Abstract: In vivo wireless nanosensor networks (iWNSNs) consist of communicating miniature devices with unprecedented sensing and actuation capabilities, which are able to operate inside the human body. iWNSNs are the basis of emerging healthcare applications, such… read more here.
Keywords: channel model; domain analyses; frequency domain; nanoscale optical ... See more keywords