Photonic metasurfaces
WebDielectric metasurfaces have emerged as a powerful platform for novel optical biosensors. Due to their low optical loss and strong light–matter interaction, they demonstrate several exotic optical properties, including sharp resonances, strong near-field enhancements, and the compelling capability to support magnetic modes. They also show advantages such … WebApr 13, 2024 · The Key Laboratory of Weak Light Nonlinear Photonics, Ministry of Education, Smart Sensing Interdisciplinary Science Center, Renewable Energy Conversion and Storage Center, School of Physics and TEDA Institute of Applied Physics, Nankai University, Tianjin, 300071 China ... Recent rapid progress in metasurfaces is underpinned by the physics of ...
Photonic metasurfaces
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WebApr 5, 2024 · In this work, we extend the concept of photonic time crystals to two-dimensional artificial structures—metasurfaces. We demonstrate that time-varying … WebNov 22, 2024 · a Concepts of photonic crystals, metamaterials and metasurfaces. b Comparisons of light propagating in structured planar waveguides with different periodic feature size 12 . Left panel: schematic ...
WebApr 13, 2024 · Structural colors based on all-dielectric metasurfaces hold great promise for a wide range of applications, including high-density optical storage, ultra-high-resolution … Web2 days ago · by SPIE. Optically controlled metasurfaces achieve dynamic dual-mode modulation by varying the wavelength of pumping light. Credit: Advanced Photonics …
WebApr 5, 2024 · In this work, we extend the concept of photonic time crystals to two-dimensional artificial structures-metasurfaces. We demonstrate that time-varying … WebMetasurfaces may also refer to the two-dimensional counterparts of metamaterials. There ... and photonic neural networks can be enabled. In addition, metasurfaces are also applied …
WebIn the following, three metasurfaces are designed to show two independent functionalities that can be switched by the direction of the incident wave. First, we design and fabricate a passive Janus metasurface with focusing and deflection characteristics, which consists of 51 × 51 meta-atoms and occupies a total area of 306 × 306 mm 2 .
WebFlat optics based on photonic metasurfaces is a new area of photonics technology with rather promising features such as potentially cheap mass production and many new … dashboard login australiaWebMar 15, 2013 · In turn, metasurfaces—planar, ultrathin metamaterials—extend these capabilities even further. Optical metasurfaces offer the fascinating possibility of … dashboard login aisdWebMetasurfaces integrated on top of guided wave photonic systems have been explored to control the scattering of light off-chip with enhanced functionalities – namely, point-by-point manipulation of amplitude, phase or polarization. However, these efforts have so far been limited to controlling one or two optical degrees of freedom at best, and ... dashboard login bright horizonsWebIn the past decade, the research field that uses arrays of high-index-contrast near-wavelength dielectric structures on flat surfaces, known as high-contrast metastructures (HCMs) or metasurfaces, has emerged and expanded rapidly. Although HCMs and metasurfaces share great similarities in physical structures with photonic crystals (PhCs), … dashboard login flemingWeb2 days ago · The magic angle twisted bilayer systems give rise to many exotic phenomena in two-dimensional electronic or photonic platforms. Here, we study the twisted near-field … bitcoin will crash 2021WebFeb 19, 2015 · The suppression of chromatic aberrations in metasurface-based planar photonics will find applications in lightweight collimators for displays, as well as chromatically corrected imaging systems. ... Metasurfaces are thin optical components that rely on a different approach for light control: A dense arrangement of subwavelength … dashboard login fresno stateWebDec 22, 2024 · Abstract. Optical metasurfaces—subwavelength-patterned surfaces that interact strongly with light—have been an active area of research for more than a decade. The field has been driven by the ... bitcoin will fail