[HTML][HTML] Orbital angular momentum of light for communications

AE Willner, K Pang, H Song, K Zou, H Zhou - Applied Physics Reviews, 2021‏ - pubs.aip.org
Structured light, especially beams carrying orbital angular momentum (OAM), has gained
much interest due to its unique amplitude and phase structures. In terms of communication …

Acoustic metamaterials: A review of theories, structures, fabrication approaches, and applications

G Liao, C Luan, Z Wang, J Liu… - Advanced Materials …, 2021‏ - Wiley Online Library
Acoustic metamaterials (AMs), which are materials composed of subwavelength periodic
artificial structures with specific designs, have drawn significant research attention. This is …

Airy beams and accelerating waves: an overview of recent advances

NK Efremidis, Z Chen, M Segev, DN Christodoulides - Optica, 2019‏ - opg.optica.org
Over the last dozen years, the area of accelerating waves has made considerable advances
not only in terms of fundamentals and experimental demonstrations, but also in connection …

Self-healing of non-Hermitian topological skin modes

S Longhi - Physical Review Letters, 2022‏ - APS
A unique feature of non-Hermitian (NH) systems is the NH skin effect, ie, the edge
localization of an extensive number of bulk-band eigenstates in a lattice with open or semi …

Holographic acoustic elements for manipulation of levitated objects

A Marzo, SA Seah, BW Drinkwater, DR Sahoo… - Nature …, 2015‏ - nature.com
Sound can levitate objects of different sizes and materials through air, water and tissue. This
allows us to manipulate cells, liquids, compounds or living things without touching or …

Metascreen-based acoustic passive phased array

Y Li, X Jiang, B Liang, J Cheng, L Zhang - Physical Review Applied, 2015‏ - APS
Conventional phased arrays require a large number of sources in forming a complex wave
front, resulting in complexity and a high cost to operate the individual sources. We present a …

Experimental realization of full control of reflected waves with subwavelength acoustic metasurfaces

Y Li, X Jiang, R Li, B Liang, X Zou, L Yin, J Cheng - Physical Review Applied, 2014‏ - APS
Metasurfaces with subwavelength thicknesses have exhibited unconventional phenomena
in ways that could not be mimicked by traditional materials. Here we report on the analytical …

Implementation of dispersion-free slow acoustic wave propagation and phase engineering with helical-structured metamaterials

X Zhu, K Li, P Zhang, J Zhu, J Zhang, C Tian… - Nature …, 2016‏ - nature.com
The ability to slow down wave propagation in materials has attracted significant research
interest. A successful solution will give rise to manageable enhanced wave–matter …

Fine manipulation of sound via lossy metamaterials with independent and arbitrary reflection amplitude and phase

Y Zhu, J Hu, X Fan, J Yang, B Liang, X Zhu… - Nature …, 2018‏ - nature.com
The fine manipulation of sound fields is critical in acoustics yet is restricted by the coupled
amplitude and phase modulations in existing wave-steering metamaterials. Commonly …

A reconfigurable active acoustic metalens

C Zhang, WK Cao, LT Wu, JC Ke, Y **g, TJ Cui… - Applied Physics …, 2021‏ - pubs.aip.org
Acoustic metasurfaces have enabled unprecedented control over acoustic waves, offering
opportunities in areas such as holographic rendering, sound absorption, and acoustic …