Metasurface

Dielectric metasurface enhanced performance in multilayer WS2 photodetector
Two-dimensional transition metal dichalcogenides such as WS2 are promising for high-performance photodetectors, but their atomically thin geometry limits optical absorption. Here, we integrate multilayer WS2 with dielect…
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Snapshot computational spectroscopy enabled by deep learning
Spectroscopy is a technique that analyzes the interaction between matter and light as a function of wavelength. It is the most convenient method for obtaining qualitative and quantitative information about an unknown sam…
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Snapshot computational spectroscopy enabled by deep learning
2-bit coding metasurface with a double layer random flip structure for wide band diffuse reflection and reciprocity protected transmission
Coding metasurfaces based on random-flip structures have attracted great attention due to their ability to achieve distortion-free transmission and diffuse reflection simultaneously. However, previous implementation base…
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Tuning Metasurface Dimensions by Soft Nanoimprint Lithography and Reactive Ion Etching
Metasurfaces are ultrathin and flat layers of subwavelength nanostructures composed of metallic or high-refractive-index materials. They can alter lightwave properties effectively and show significant application potenti…
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Neural network enabled metasurface design for phase manipulation
The phase of electromagnetic waves can be manipulated and tailored by artificial metasurfaces, which can lead to ultra-compact, high-performance metalens, holographic and imaging devices etc. Usually, nanostructured meta…
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