Highly Efficient Gradient Solid Immersion Lens with Large Numerical Aperture for Broadband Achromatic Deep Subwavelength Focusing and Magnified Far Field
Sign Up to like & getrecommendations! Published in 2021 at "Advanced Optical Materials"
DOI: 10.1002/adom.202100509
Abstract: Achromatic deep subwavelength lens with large numerical aperture (NA) is in urgent need in several fields, from optical imaging, photolithography, spectroscopy, nanophotonics to microwave engineering and sensing. However, the previous proposed approaches to achieve deep… read more here.
Keywords: subwavelength; magnified far; far field; deep subwavelength ... See more keywords
An efficient and deterministic photon management using deep subwavelength features
Sign Up to like & getrecommendations! Published in 2020 at "Nano Energy"
DOI: 10.1016/j.nanoen.2020.104521
Abstract: Abstract Light trapping and the broadband absorption of the solar radiation are significant to a plethora of absorption-based photonic devices. Specifically, efficient broadband absorption was recently demonstrated with arrays of subwavelength structures. The current study… read more here.
Keywords: absorption; light trapping; broadband absorption; efficient deterministic ... See more keywords
Ultra-thin subwavelength film sensing through the excitation of dark modes in THz metasurfaces
Sign Up to like & getrecommendations! Published in 2019 at "Optics Communications"
DOI: 10.1016/j.optcom.2019.124366
Abstract: Abstract We demonstrate ultra-subwavelength thin film sensing through experimental and numerical studies of the transmission characteristics of several symmetric and asymmetric planar split ring resonator (SRR) based terahertz metasurfaces coated with thin film of analyte… read more here.
Keywords: subwavelength; film sensing; thin film; dark modes ... See more keywords
Enhanced Five-Photon Photoluminescence in Subwavelength AlGaAs Resonators.
Sign Up to like & getrecommendations! Published in 2022 at "Nano letters"
DOI: 10.1021/acs.nanolett.2c01122
Abstract: Multiphoton processes of absorption photoluminescence have enabled a wide range of applications including three-dimensional microfabrication, data storage, and biological imaging. While the applications of two-photon and three-photon absorption and luminescence have matured considerably, higher-order photoluminescence… read more here.
Keywords: photoluminescence; subwavelength; photon photoluminescence; five photon ... See more keywords
Robust Subwavelength Single-Mode Perovskite Nanocuboid Laser.
Sign Up to like & getrecommendations! Published in 2018 at "ACS nano"
DOI: 10.1021/acsnano.8b02143
Abstract: On-chip photonic information processing systems require great research efforts toward miniaturization of the optical components. However, when approaching the classical diffraction limit, conventional dielectric lasers with all dimensions in nanoscale are difficult to realize due… read more here.
Keywords: laser; perovskite nanocuboid; single mode; subwavelength ... See more keywords
Planar, Ultrathin, Subwavelength Spectral Light Separator for Efficient, Wide-Angle Spectral Imaging
Sign Up to like & getrecommendations! Published in 2017 at "ACS Photonics"
DOI: 10.1021/acsphotonics.6b00705
Abstract: We propose a planar, ultrathin, subwavelength spectral light separator that enables efficient, angularly robust, spatially coregistered decomposition of light into its spectral components. The device consists of a collection of spectrally tuned “meta-atoms” and achieves… read more here.
Keywords: spectral light; subwavelength spectral; ultrathin subwavelength; planar ultrathin ... See more keywords
All-Color Subwavelength Output of Organic Flexible Microlasers.
Sign Up to like & getrecommendations! Published in 2017 at "Journal of the American Chemical Society"
DOI: 10.1021/jacs.7b06174
Abstract: All-color subwavelength output of lasers was demonstrated in a rationally designed organic microdisk/silver nanowire heterostructures. The dye-doped flexible microdisks served as the wavelength tunable whispering-gallery-mode lasers with low lasing thresholds, whereas the silver nanowires supported… read more here.
Keywords: output organic; laser; output; subwavelength ... See more keywords
Surface enhancement of THz wave by coupling a subwavelength LiNbO3 slab waveguide with a composite antenna structure
Sign Up to like & getrecommendations! Published in 2017 at "Scientific Reports"
DOI: 10.1038/s41598-017-17712-4
Abstract: Highly intense terahertz electromagnetic field and efficiently surface localized terahertz field in subwavelength volumes are of vital importance for terahertz photonics integration, also will greatly accelerate the development for integrated applications in biochemical sensing, imaging,… read more here.
Keywords: field; surface; slab waveguide; subwavelength ... See more keywords
Broadband acoustic subwavelength imaging by rapidly modulated stratified media
Sign Up to like & getrecommendations! Published in 2018 at "Scientific Reports"
DOI: 10.1038/s41598-018-23411-5
Abstract: An acoustic anisotropic lens (AAL) based on large mass-density modulation depth (LMMD) medium is proposed for subwavelength imaging. The underlying mechanism for converting evanescent components into propagating waves is attributed to the strong suppression of… read more here.
Keywords: proposed lens; imaging rapidly; broadband acoustic; acoustic subwavelength ... See more keywords
A novel approach to Fabry–Pérot-resonance-based lens and demonstrating deep-subwavelength imaging
Sign Up to like & getrecommendations! Published in 2020 at "Scientific Reports"
DOI: 10.1038/s41598-020-67409-4
Abstract: During our research, we explored a novel way to represent subwavelength imaging and derived a transmission equation to explicate the FP (Fabry – Pérot) resonance phenomena. Subsequently, using analysis and observation, we performed deep-subwavelength imaging.… read more here.
Keywords: rot resonance; deep subwavelength; fabry rot; subwavelength ... See more keywords
Experimental validation of deep-subwavelength diffusion by acoustic metadiffusers
Sign Up to like & getrecommendations! Published in 2019 at "Applied Physics Letters"
DOI: 10.1063/1.5114877
Abstract: An acoustic metadiffuser is a subwavelength locally resonant surface relying on slow sound propagation. Its design consists of rigidly backed slotted panels, with each slit being loaded by an array of Helmholtz resonators. Due to… read more here.
Keywords: diffusion; deep subwavelength; subwavelength diffusion; experimental validation ... See more keywords