Optical metalenses—two-dimensional arrays of submicrometre scatterers that collectively
focus light—have experienced growing research interest in recent years as they can realize …

Control over the dispersion of the refractive index is essential to the performance of most
modern optical systems. These range from laboratory microscopes to optical fibres and even …

Vacuum ultraviolet (VUV) light plays an essential role across science and technology, from
molecular spectroscopy to nanolithography and biomedical procedures. Realizing …

Wide field-of-view (FOV) optical functionality is crucial for implementation of advanced
imaging and image projection devices. Conventionally, wide FOV operation is attained with …

Metalenses, planar lenses realized by placing subwavelength nanostructures that locally
impart lenslike phase shifts to the incident light, are promising as a replacement for refractive …

Silicon photonics is playing a key role in areas as diverse as high-speed optical
communications, neural networks, supercomputing, quantum photonics, and sensing, which …

Metasurfaces have recently risen to prominence in optical research, providing unique
functionalities that can be used for imaging, beam forming, holography, polarimetry, and …

Metal–organic frameworks (MOFs) have been extensively used for gas sorption, storage and
separation owing to ultrahigh porosity, exceptional thermal stability, and wide structural …

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We propose and numerically demonstrate high Q-factor sensors based on all-dielectric
metasurfaces, which are very sensitive to the change of the refractive index of the …