Acoustic resonances in open systems, which are usually associated with resonant modes
characterized by complex eigenfrequencies, play a fundamental role in manipulating …

Acoustic vortices provide a single-beam approach to manipulate objects with sizes from
nanometers to millimeters, gaining increasing interest in recent years. The helical beam …

Acoustic metasurfaces offer unique capabilities to steer and direct acoustic fields, though
these are generally composed of complex 3D structures, complicating their fabrication and …

Moiré effects arising from mutually twisted metasurfaces have showcased remarkable wave
manipulation capabilities, unveiling tantalizing emerging phenomena such as acoustic …

Helical dichroism (HD) utilizing unbounded orbital angular momentum degree of freedom,
has provided an important means of exploring chiral effects in diverse wave systems …

Metasurface holograms represent a common category of metasurface devices that utilize in‐
plane phase gradients to shape wavefronts, forming holographic images through the …

Optical phase gradient metasurfaces (PGMs) have provided unprecedented opportunities
for arbitrarily controlling wave propagation via the generalized Snell's law (GSL). However …

The interaction between cavity field and atoms plays an important role in exploring the
abundant non-Hermitian physics and constructing powerful wave function devices. In this …

Geometric phase enabled by spin‐orbit coupling has attracted enormous interest in optics
over the past few decades. However, it is only applicable to circularly‐polarized light and …

The significance of asymmetric acoustic vortices primarily derives from their distinctive
influence on acoustic vortex applications, such as acoustic communication receiving and …