Dual-functional metalenses for the polarization-controlled generation of focalized vector beams in the telecom infrared
The availability of static tiny optical devices is mandatory to reduce the complexity of optical
paths that typically use dynamic optical components and/or many standard elements for the …
paths that typically use dynamic optical components and/or many standard elements for the …
High-efficiency metadevices for bifunctional generations of vectorial optical fields
Vectorial optical fields (VOFs) exhibiting tailored wave fronts and spatially inhomogeneous
polarization distributions are particularly useful in photonic applications. However, devices …
polarization distributions are particularly useful in photonic applications. However, devices …
Generation of multi-channel perfect vortex beams with the controllable ring radius and the topological charge based on an all-dielectric transmission metasurface
Y Liu, C Zhou, K Guo, Z Wei, H Liu - Optics Express, 2022 - opg.optica.org
The perfect vortex (PV) beam, characterized by carrying orbital angular momentum and a
radial electric intensity distribution independent of the topological charge, has important …
radial electric intensity distribution independent of the topological charge, has important …
Silicon metaoptics for the compact generation of perfect vector beams in the telecom infrared
Perfect vortices have attracted considerable attention as orbital angular momentum (OAM)
beams with customizable ring-like intensity distribution. More recently, the non-separable …
beams with customizable ring-like intensity distribution. More recently, the non-separable …
Generation of terahertz vector beams using dielectric metasurfaces via spin-decoupled phase control
Cylindrical vector beams (CVBs), being a special kind of beams with spatially variant states
of polarizations, are promising in photonics applications, including high-resolution imaging …
of polarizations, are promising in photonics applications, including high-resolution imaging …
All-dielectric metaoptics for the compact generation of double-ring perfect vector beams
Perfect vortices, whose ring profile is independent of the topological charge, play a key role
in telecommunications and particle micro-manipulation. In this work, we report the compact …
in telecommunications and particle micro-manipulation. In this work, we report the compact …
Polarization-independent metalens constructed of antennas without rotational invariance
We propose a novel approach to designing an ultrathin polarization-independent metalens
(PIM) by utilizing antennas without rotational invariance. Two arrays of nanoblocks are …
(PIM) by utilizing antennas without rotational invariance. Two arrays of nanoblocks are …
Metalenses for the generation of vector Lissajous beams with a complex Poynting vector density
We propose a method for the design of metalenses generating and focusing so-called vector
Lissajous beams (VLBs), a generalization of cylindrical vector beams (CVBs) in the form of …
Lissajous beams (VLBs), a generalization of cylindrical vector beams (CVBs) in the form of …
Mid-infrared polarization-controlled broadband achromatic metadevice
Metasurfaces provide a compact, flexible, and efficient platform to manipulate the
electromagnetic waves. However, chromatic aberration imposes severe restrictions on their …
electromagnetic waves. However, chromatic aberration imposes severe restrictions on their …
High-efficiency metalenses with switchable functionalities in microwave region
Regarding miniaturized and integrated systems, a single flat device that possesses
diversified functionalities is highly desirable in optical to microwave regimes. With this …
diversified functionalities is highly desirable in optical to microwave regimes. With this …