Tailored diffraction asymmetries from spatially odd-symmetric phase gratings
Phase gratings, each period of which consists of even numbers of equal-width and equal-
thickness elements, can be devised to attain asymmetric diffraction patterns. We show that …
thickness elements, can be devised to attain asymmetric diffraction patterns. We show that …
Engineered asymmetric diffractions of diagonal-line odd-symmetric phase gratings
A two-dimensional multi-element phase grating has been designed in terms of the offset
refractive index to exhibit the spatially odd symmetry (antisymmetry) along one transparent …
refractive index to exhibit the spatially odd symmetry (antisymmetry) along one transparent …
Acoustic wave reflection control based on broadband differential phase shifters
Z Qin, X Liu, C Ma - Frontiers in Mechanical Engineering, 2021 - frontiersin.org
Controlling the flow of acoustic waves has broad applications in acoustic imaging,
communication, energy harvesting, audio systems, etc. Metasurfaces have been developed …
communication, energy harvesting, audio systems, etc. Metasurfaces have been developed …
Asymmetric angular selected transmission in phase gradient metagratings and zero index metamaterials
H Wu, Q Zhou, B Sun, Y Cao, Y Xu - Journal of Applied Physics, 2023 - pubs.aip.org
Phase gradient metagrating (PGM) refers to introduction of a local abrupt phase change
covering 2π at an interface, which generates a phase gradient to control the direction and …
covering 2π at an interface, which generates a phase gradient to control the direction and …
Disordered Optics for Multidimensional Information Processing
X Li - 2021 - dspace.mit.edu
Photonic platforms with multiplexing capabilities are of profound importance for high-
dimensional information processing. With the rapid expansion of data volume, growing …
dimensional information processing. With the rapid expansion of data volume, growing …