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A novel plasmonic resonance sensor based on an infrared perfect absorber
We present an infrared perfect absorber model composed of gold nanobars and a photonic microcavity. The inevitable losses in metamaterials are taken as an advantage for high absorbance efficiency. By…
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Equally efficient interlayer exciton relaxation and improved absorption in epitaxial and nonepitaxial MoS2/WS2 heterostructures.
TLDR
This result indicates that 2D heterostructures bear significant implications for the development of photonic devices, in particular those requesting efficient exciton separation and strong light absorption, such as solar cells, photodetectors, modulators, and photocatalysts, and suggests that the simple stacking of dissimilar 2D materials with random orientations is a viable strategy to fabricate complex functional 2Dheterostructure.
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Giant Gating Tunability of Optical Refractive Index in Transition Metal Dichalcogenide Monolayers.
We report that the refractive index of transition metal dichacolgenide (TMDC) monolayers, such as MoS2, WS2, and WSe2, can be substantially tuned by >60% in the imaginary part and >20% in the real…
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Enhanced light–matter interactions in dielectric nanostructures via machine-learning approach
Abstract A key concept underlying the specific functionalities of metasurfaces is the use of constituent components to shape the wavefront of the light on demand. Metasurfaces are versatile, novel…
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Fractal H-shaped plasmonic nanocavity
TLDR
A novel infrared quasi-three-dimensional nanocavity with a localized enhanced field with multiband resonant frequencies with great potential for applications in surface enhanced Raman scattering and other nanoscale novel devices is designed.
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Enhanced light–matter interaction in two-dimensional transition metal dichalcogenides
TLDR
An overview of this research area, showcasing relevant applications, including exotic light emission, absorption and scattering features, and overviewing the intriguing physical properties of different types of van der Waals heterostructures, and their applications in optoelectronic and photonic devices is provided.
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A general transformation for compact waveguide coupler by using homogeneous media
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Dynamic Nonlinear Image Tuning through Magnetic Dipole Quasi‐BIC Ultrathin Resonators
TLDR
Dynamical nonlinear image tuning is experimentally demonstarted via polarization and wavelength control, paving the way for nanophotonics applications such as tunable displays, nonlinear holograms, tunable nanolaser, and ultrathin nonlinear nanodevices with various functionalities.
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In-Plane and Interfacial Thermal Conduction of Two-Dimensional Transition-Metal Dichalcogenides
We elucidate the dependence of the in-plane and interfacial thermal conduction of two-dimensional (2D) transition-metal dichalcogenide (TMDC) materials (including ${\mathrm{Mo}\mathrm{S}}_{2}$,…
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A thermal ground cloak
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