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Article
Optics
Zhao Jiang et al.
Summary: Determining the polarization states of continuous terahertz waves is challenging, but crucial for photonic applications. This study proposes a metasurface-like metallic waveguide array (MWA) to measure the phase difference and amplitude ratio of the orthogonal components of polarization-multiplexing vortex beams. By converting the orthogonal components into Bessel vortex beams and measuring their interference patterns, the polarization state of incident waves can be determined. This method has great potential for applications in THz detection, communication, and sensing.
LASER & PHOTONICS REVIEWS
(2023)
Article
Nanoscience & Nanotechnology
Haisheng Wu et al.
Summary: A multidimensional multiplexing communication system was designed using vortex beams carrying orbital angular momentum. The system successfully achieved multiplexing and demultiplexing of wavefront modes and polarization channels, and transmitted 400 Gbit/s QPSK signals.
Article
Chemistry, Multidisciplinary
Hui Zhang et al.
Summary: This study demonstrates the simultaneous generation of coherent laser arrays with different topological charges by combining metalenses with semiconductor microlasers. The microlaser emission is collimated into vortex microlaser beams with different topological charges through a time-reversal process. By introducing off-axis terms, the concept is extended to a 2 x 2 metalens array, producing eight topological charges simultaneously.
ADVANCED MATERIALS
(2022)
Article
Optics
Chenglong Zheng et al.
Summary: This research proposes a novel all-dielectric metasurface platform in the terahertz band that can generate vector vortex beams. The feasibility of the proposed scheme is experimentally verified, and potential applications are discussed.
LASER & PHOTONICS REVIEWS
(2022)
Article
Physics, Applied
Tingting Liu et al.
Summary: The article introduces a phase-change metasurface platform using Sb2S3, allowing dynamic nanoprinting and holographic image display through crystallization level tuning, providing a new method for dynamic meta-atoms in multiplexed metasurfaces.
PHYSICAL REVIEW APPLIED
(2022)
Article
Chemistry, Multidisciplinary
Ruoxing Wang et al.
Summary: The experimental demonstration of a metalens focusing light into an arbitrarily shaped focal curve with a predefined polarization distribution opens up new possibilities for controlling the light field in 3D space. This approach allows for powerful control over the light field, which is technically challenging with conventional methods and may find applications in beam engineering and integration optics.
Article
Optics
Ahmed H. Dorrah et al.
Summary: By using metasurfaces to independently shape the polarization state of a light beam at each point in space along its propagation direction, longitudinally variable polarization optical components are demonstrated; a new class of polarizers and wave plates based on metasurfaces can impart an arbitrarily chosen polarization response along the propagation direction, regardless of the incident polarization; this approach allows for the desired propagation-dependent polarization response to be enacted without prior knowledge of the incident polarization, expanding the use of polarization in the design of multifunctional metasurfaces.
Review
Multidisciplinary Sciences
Jincheng Ni et al.
Summary: The rapid progress in miniaturizing vortex devices is driven by their integration with optical sensing, micromanipulation, and optical communications. A new branch of singular optics has recently emerged seeking phase singularities in multiple dimensions to realize vortex beams with compact nanodevices. Research in this area focuses on topological phase singularities in real space, momentum space, and the spatiotemporal domain for generating vortex beams.
Article
Physics, Multidisciplinary
Chenglong Zheng et al.
Summary: Chiral metasurfaces exhibit different electromagnetic responses to circularly polarized light, such as circular dichroism and optical activity. A novel all-silicon chiral metasurface is proposed in this study by introducing destructive interference between achiral meta-atoms, achieving a maximum circular dichroism of 0.54 and bandwidth of 0.15 THz. Experimental results are in good agreement with simulations, and the proposed scheme can also be utilized for generating various interesting functions.
SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY
(2021)
Article
Materials Science, Multidisciplinary
Chenglong Zheng et al.
Summary: This article proposes a dielectric metasurface that generates polarization-controllable superpositions of OAM patterns in the terahertz band, and achieves the conversion of SAM to OAM. The feasibility of the theory has been verified in experiments, and this multifunctional design can find applications in particle manipulation, communication, harmonic generation, among other fields.
ADVANCED OPTICAL MATERIALS
(2021)
Article
Optics
Chong Zhang et al.
Summary: The study introduces a pixelated full-Stokes metasurface design based on silicon-on-insulator, capable of achieving high-performance polarization filters with maximum circular dichroism of up to 70% at a wavelength of 1.6μm and transmission efficiency above 80%. This design holds great potential in various applications such as target detection, clinical diagnosis, and polarimetric imaging and sensing.
PHOTONICS RESEARCH
(2021)
Article
Chemistry, Multidisciplinary
Zhen Yue et al.
Summary: This study introduces a novel technology based on dynamic phase and spatial interleaving unit arrangement for metasurfaces, enabling multiple wavefront manipulations including spin and linear polarization transformations. By designing a bifocal metasurface, various forms of wavefront manipulations can be achieved, offering a new platform for the development of terahertz integrated photonics.
Article
Materials Science, Multidisciplinary
Yaxin Zhang et al.
PHYSICA STATUS SOLIDI-RAPID RESEARCH LETTERS
(2020)
Article
Chemistry, Multidisciplinary
Yueyi Yuan et al.
Review
Physics, Applied
Shuyuan Xiao et al.
JOURNAL OF PHYSICS D-APPLIED PHYSICS
(2020)
Review
Optics
Yijie Shen et al.
LIGHT-SCIENCE & APPLICATIONS
(2019)
Article
Physics, Multidisciplinary
J. P. Balthasar Mueller et al.
PHYSICAL REVIEW LETTERS
(2017)
Article
Multidisciplinary Sciences
Robert C. Devlin et al.
Article
Chemistry, Multidisciplinary
Fuyong Yue et al.
ADVANCED MATERIALS
(2017)
Article
Multidisciplinary Sciences
Bo Wang et al.
SCIENTIFIC REPORTS
(2016)
Article
Nanoscience & Nanotechnology
Guoxing Zheng et al.
NATURE NANOTECHNOLOGY
(2015)
Article
Materials Science, Multidisciplinary
Xianzhong Chen et al.
ADVANCED OPTICAL MATERIALS
(2015)
Article
Optics
Zhaocheng Liu et al.
Article
Optics
Lai Wei et al.
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION
(2013)
Article
Materials Science, Multidisciplinary
Dan Hu et al.
ADVANCED OPTICAL MATERIALS
(2013)
Article
Multidisciplinary Sciences
Nanfang Yu et al.
Review
Optics
Lorenzo Marrucci et al.
