Reconfigurable intelligent surfaces (RISs) offer an entirely new route to alter the propagation
properties of electromagnetic waves and thus control their reflection, refraction, and …

Metasurface has great capabilities in tailoring the electromagnetic (EM) waves in a
controllable way owing to the carefully designed and arranged subwavelength meta-atoms …

The rapid development of space-time-coding metasurfaces (STCMs) offers a new avenue to
manipulate spatial electromagnetic beams, waveforms, and frequency spectra …

Manipulations of multiple carrier frequencies are especially important in a variety of fields
like radar detection and wireless communications. In conventional radio-frequency …

Applications such as microwave wireless communications, optical light fidelity, and light
detection and ranging systems require advanced interfaces that can couple guided waves …

Creating materials with time-variant properties is critical for breaking reciprocity that imposes
fundamental limitations on wave propagation. However, it is challenging to realize efficient …

Metasurfaces consisting of electrically thin and densely packed planar arrays of
subwavelength elements enable an unprecedented control of the im**ing electromagnetic …

Tailoring the electromagnetic responses by metasurface greatly expands one's capabilities
to manipulate light in a controlled manner. Either amplitude or phase of the incident wave …

Metasurfaces are well-designed artificial periodic or quasiperiodic structures to achieve
customized electromagnetic responses. Based on the time-domain digital coding …

Temporal metamaterials are artificial materials whose electromagnetic properties change
over time. In analogy with spatial media and metamaterials, where their properties change …