Electromagnetic metasurfaces: physics and applications

S Sun, Q He, J Hao, S Xiao, L Zhou - Advances in Optics and …, 2019 - opg.optica.org
Metasurfaces are ultrathin metamaterials consisting of planar electromagnetic (EM)
microstructures (eg, meta-atoms) with pre-determined EM responses arranged in specific …

High‐efficiency metasurfaces: principles, realizations, and applications

Q He, S Sun, S Xiao, L Zhou - Advanced Optical Materials, 2018 - Wiley Online Library
Metasurfaces are planar metamaterials exhibiting certain inhomogeneous phase
distributions for transmitted or reflected waves, which can efficiently reshape the wave‐fronts …

Dynamically controlling terahertz wavefronts with cascaded metasurfaces

X Cai, R Tang, H Zhou, Q Li, S Ma, D Wang… - Advanced …, 2021 - spiedigitallibrary.org
Dynamically controlling terahertz (THz) wavefronts in a designable fashion is highly desired
in practice. However, available methods working at microwave frequencies do not work well …

Efficient generation of complex vectorial optical fields with metasurfaces

D Wang, F Liu, T Liu, S Sun, Q He, L Zhou - Light: Science & …, 2021 - nature.com
Vectorial optical fields (VOFs) exhibiting arbitrarily designed wavefronts and polarization
distributions are highly desired in photonics. However, current methods to generate them …

Recent progress in metasurface-enabled optical waveplates

Y Deng, Z Cai, Y Ding, SI Bozhevolnyi, F Ding - Nanophotonics, 2022 - degruyter.com
The polarization of light is crucial for numerous optical applications ranging from quantum
information processing to biomedical sensing due to the fundamental role of polarization as …

Dielectrics for terahertz metasurfaces: Material selection and fabrication techniques

RT Ako, A Upadhyay… - Advanced Optical …, 2020 - Wiley Online Library
Manipulation of terahertz radiation opens new opportunities that underpin application areas
in communication, security, material sensing, and characterization. Metasurfaces employed …

Efficient manipulations of circularly polarized terahertz waves with transmissive metasurfaces

M Jia, Z Wang, H Li, X Wang, W Luo, S Sun… - Light: Science & …, 2019 - nature.com
The unrestricted control of circularly polarized (CP) terahertz (THz) waves is important in
science and applications, but conventional THz devices suffer from issues of bulky size and …

Recent progress and applications of terahertz metamaterials

J He, X He, T Dong, S Wang, M Fu… - Journal of Physics D …, 2021 - iopscience.iop.org
Metamaterials are an artificial electromagnetic material composed of periodic/non-periodic
subwavelength micro-/nanostructures, ie meta-atoms. The meta-atom interacts with the …

Stereo metasurfaces for efficient and broadband terahertz polarization conversion

Y Xu, Q Xu, X Zhang, X Feng, Y Lu… - Advanced Functional …, 2022 - Wiley Online Library
Efficient and flexible manipulation of terahertz (THz) polarization in a broadband manner
using metasurfaces has attracted continuous attention in recent years. Previous studies …

[HTML][HTML] Ultra-wideband tri-layer transmissive linear polarization converter for terahertz waves

RT Ako, WSL Lee, S Atakaramians, M Bhaskaran… - Apl Photonics, 2020 - pubs.aip.org
Polarization control is shown to enhance functionalities of terahertz waves in various
applications. As a step toward introducing efficient practical devices operating in the …