Noise pollution has become a significant global problem in recent years. Unfortunately,
conventional acoustic materials cannot offer substantial improvements in noise reduction …

The photonic spin Hall effect (SHE) refers to the transverse spin separation of photons with
opposite spin angular momentum, after the beam passes through an optical interface or …

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

The interest in tailoring light in all its degrees of freedom is steadily gaining traction, driven
by the tremendous developments in the toolkit for the creation, control and detection of what …

Optical vortices (OVs) carrying orbital angular momentum (OAM) have attracted
considerable interest in the field of optics and photonics owing to their peculiar optical …

Metasurfaces that can realize the polarization manipulation of electromagnetic waves on the
sub-wavelength scale have become an emerging research field. Here, a novel strategy of …

Surface plasmons (SPs) are electromagnetic surface waves that propagate at the interface
between a conductor and a dielectric. Due to their unique ability to concentrate light on two …

Electromagnetic (EM) waves have been widely applied in wireless communications, radar
detection, navigation, and target recognition. Radiation and scattering are two common …

Optical metasurfaces, ie arrays of nanoantennas with sub-wavelength size and separation,
enable the manipulation of light-matter interactions in miniaturized optical components with …

The realization of high-Q resonances in a silicon metasurface with various broken-symmetry
blocks is reported. Theoretical analysis reveals that the sharp resonances in the …