Metasurface Diffraction and Polarization Optics

A special issue of Photonics (ISSN 2304-6732).

Deadline for manuscript submissions: closed (31 March 2023) | Viewed by 4201

Special Issue Editor


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Guest Editor
Institute of Photonics Technology, Jinan University, Guangzhou 510632, China
Interests: metasurfaces; optical field manipulation; plasmonics; nanophotonics; metamaterials; chiral materials

Special Issue Information

Dear Colleagues,

Molding the phase, amplitude, polarization, and resonant properties of light in a desired manner has been long sought by researchers on electromagnetics and optics because light plays a significant role in information processing, imaging, sensing, displaying, energy transfer, and so on. Conventional ways to control light wave rely mainly on curved surfaces of bulky optical materials that accumulate phase delays during propagation. Based on traditional refractive optics, polarization optics, and diffraction optics, optical elements are typically bulky and cumbersome, such as thick curved lenses, cubic polarization elements, and thickness-varying holographic elements.  The non-negligible thickness of traditional optical elements limits their uses in the integration with other functional devices or in compact systems. Recently, metasurface composed of artificially designed subwavelength plasmonic or dielectric meta-atoms arranged across the interface has emerged as a new paradigm to versatilely control light. Based on spatial modulation of phase discontinuity of the subwavelength meta-atom, arbitrary forms of optical diffraction could be tailored on a flat platform. Based on such metasurface diffraction optics, many flat optic devices have emerged, including flat metalenses, compact special beam shapers, and high-performance meta-holograms. By further exploiting the birefringent properties of anisotropic meta-atoms, versatile polarization properties of light could be controlled, yielding broadband meta-waveplates, full Poincare sphere polarizers, chiral devices, and arbitrary polarization beam splitters with simultaneous compact size and high performance. In addition, by combining metasurface diffraction and polarization optics, integrating multiple functionalities within a single layer is possible. Fascinating phenomena emerge, including vectorial holography, composite vectorial beam shaping, topological knots, and so on. The purpose of this Special Issue is to introduce new diffraction and polarization effects on metasurfaces, as well as spectral resonance tailoring associated with them, including new metasurface structure designs, metasurface optimization algorithm, metasurface-based imaging, displaying, sensing, and polarimetry applications. We invite the submission of original research, review, mini review, and perspective articles on themes including, but not limited to:

  • Metasurface diffraction optical elements;
  • Metasurface holography;
  • Resonant metasurfaces;
  • Birefringent metasurfaces;
  • Di-attenuation metasurfaces;
  • Chiral metasurfaces;
  • metasurface waveplates;
  • Metasurface polarizers;
  • Metasurface polarization beam splitters;
  • Jones matrix metasurfaces;
  • Malus metasurfaces;
  • Metasurface polarization singularities.

Prof. Dr. Zi-Lan Deng
Guest Editor

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Keywords

  • metasurfaces
  • plasmonic devices
  • optical diffraction element
  • polarizations
  • holograms
  • resonances

Published Papers (3 papers)

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Research

10 pages, 7209 KiB  
Communication
Design of Full Stokes Vector Polarimetry Based on Metasurfaces for Wide-Angle Incident Light
by Songjie Liu, Zejun Zhang, Jingxuan Cheng, Xiyin Wang, Shixiao Sun and Jing Xu
Photonics 2023, 10(4), 382; https://doi.org/10.3390/photonics10040382 - 30 Mar 2023
Viewed by 1144
Abstract
Polarization measurement plays an important role in optical detection, communication, and imaging systems. Compact polarimetry with a wide angle of incident light will break the restrictions of the limited incident angle and improve its practicality. In this paper, a full Stokes vector polarimetry [...] Read more.
Polarization measurement plays an important role in optical detection, communication, and imaging systems. Compact polarimetry with a wide angle of incident light will break the restrictions of the limited incident angle and improve its practicality. In this paper, a full Stokes vector polarimetry with a wide incident angle of ±20°, based on a two-dimensional metasurface, is proposed. According to the simulation results, the maximum measurement error of the Stokes vector at 20° oblique incidence is 0.09. The light transmittance of the proposed structure is higher than 83%. Moreover, the tilt angle of the incident light can be determined with a calculation error lower than 0.5°, according to the focusing position of the transmitted light on the focal plane. The operating wavelength of the proposed polarimetry is set to 530 nm of green light, which makes it a potential application in visible light communication and underwater optical systems. Full article
(This article belongs to the Special Issue Metasurface Diffraction and Polarization Optics)
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12 pages, 2740 KiB  
Article
Lines of Quasi-BICs and Butterworth Line Shape in Stacked Resonant Gratings: Analytical Description
by Nikita V. Golovastikov, Dmitry A. Bykov, Evgeni A. Bezus and Leonid L. Doskolovich
Photonics 2023, 10(4), 363; https://doi.org/10.3390/photonics10040363 - 24 Mar 2023
Viewed by 1160
Abstract
We propose analytical approximations of the reflection and transmission spectra of a stacked dielectric diffraction grating consisting of two identical resonant guided-mode gratings with a Lorentzian line shape. These approximations, derived using the scattering matrix formalism, are functions of both angular frequency ω [...] Read more.
We propose analytical approximations of the reflection and transmission spectra of a stacked dielectric diffraction grating consisting of two identical resonant guided-mode gratings with a Lorentzian line shape. These approximations, derived using the scattering matrix formalism, are functions of both angular frequency ω and the tangential wave vector component kx of the incident wave. We analytically demonstrate and, using full-wave simulations with rigorous coupled-wave analysis technique, numerically confirm that by a proper choice of the thickness of the dielectric layer separating the gratings, one can tailor the resonant optical properties of the stacked structure. In particular, it is possible to obtain lines of quasi-bound states in the continuum in the ωkx parameter space with the quality factor decaying proportionally to kx4 or kx6. In addition, the stacked structure can be used as a spectral or spatial Butterworth filter operating in reflection. The presented results may find application in the design of optical filters and sensors based on stacked resonant gratings. Full article
(This article belongs to the Special Issue Metasurface Diffraction and Polarization Optics)
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7 pages, 1881 KiB  
Communication
A Bound State in the Continuum Supported by a Trimeric Metallic Metasurface
by Tao Fu, Ziyan Wang and Yonghe Chen
Photonics 2023, 10(1), 40; https://doi.org/10.3390/photonics10010040 - 30 Dec 2022
Viewed by 1448
Abstract
A bound state in the continuum (BIC) is a localized state in a continuous spectrum of radiating waves. In this study, the coupled-mode theory is introduced to more precisely interpret a symmetry-protected BIC and the quasi-BIC in a facile trimeric metasurface, compared with [...] Read more.
A bound state in the continuum (BIC) is a localized state in a continuous spectrum of radiating waves. In this study, the coupled-mode theory is introduced to more precisely interpret a symmetry-protected BIC and the quasi-BIC in a facile trimeric metasurface, compared with Fano formula, which is introduced to generate a high-quality factor resonance in a trimeric metallic slit metasurface. The multipole decomposition method and the near field distribution of the structure further illustrate that the underlying physics of the high-Q is mainly originated from the interference between the electric quadrupole mode and the magnetic toroidal mode. Physical mechanism shows that the resonance arises from the perturbation of symmetry-protected BICs. The result may play a role in the applications of lasers, optical sensors, and low-loss fibers. Full article
(This article belongs to the Special Issue Metasurface Diffraction and Polarization Optics)
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