Metasurfaces have attracted great attention due to their ability to manipulate the phase,
amplitude, and polarization of light in a compact form. Tunable metasurfaces have been …

Metamaterials, as artificially structured materials composed of subwavelength arrays of
resonant unit cells, can exhibit exotic properties beyond those accessible to natural …

Metasurfaces, with extremely exotic capabilities to manipulate electromagnetic (EM) waves,
have derived a plethora of advanced metadevices with intriguing functionalities …

Broadband tuning of polarization states is pivotal yet challenging in modern photonics
technologies, especially for miniaturized or integrated systems. Metasurfaces potentially …

Evolving from metamaterials, optical metasurfaces not only inherit their unprecedented
flexibility in tailoring light–matter interaction but also the generally fixed response …

With its tremendous success in many machine learning and pattern recognition tasks, deep
learning, as one type of data-driven models, has also led to many breakthroughs in other …

We theoretically study a tunable reflective focusing lens, based on graphene metasurface,
which consists of rectangle aperture array. Dynamic control of either the focal intensity or …

Metalens is one kind of two-dimensional ultrathin lenses with subwavelength artificial
structures that can focus light in a compact, flexible way. However, most strategies for …

Surface plasmon polaritons (SPPs) can be generated in graphene at frequencies in the mid-
infrared to terahertz range, which is not possible using conventional plasmonic materials …

Dynamically and independently tunable absorbers based on multilayer metal-graphene
metamaterials are proposed to achieve multi-band and ultra-wide-band absorbing …