Acta Optica Sinica, Volume. 44, Issue 10, 1026008(2024)

Multifunctional Manipulation of Electromagnetic Waves Based on Composite-Phase Metasurfaces (Invited)

Zhuo Wang1, Qiong He1、***, Shulin Sun2、**, and Lei Zhou1、*
Author Affiliations
  • 1Department of Physics, State Key Laboratory of Surface Physics, Shanghai Key Laboratory of Metasurface Light Field Manipulation, Fudan University, Shanghai 200433, China
  • 2Shanghai Engineering Research Center of Ultra-Precision Optical Manufacturing, Department of Optical Science and Engineering, Fudan University, Shanghai 200433, China
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    Figures & Tables(5)
    Schematics of phase. (a) Resonance phase is modulated by changing geometric size to achieve 2π phase coverage; (b) geometric size of dielectric rods is altered to change the effective refractive index and achieve 2π phase coverage; (c) artificial atom is rotated to obtain polarization dependent geometric phase; (d) composite phase obtained by combining resonance phase or propagation phase with geometric phase
    Single-function metasurface. (a) SEM images of a resonant phase metasurface consisting of V-shaped antennas and wavefronts for sub-wave sources with different resonance phases[9]; (b) schematic of an efficient meta-coupler and near-field test results[17]; (c) far-field experimental test results of an anomalous deflector consisting of gold nanorods of different sizes and its sample images[18]; (d) SEM photos and schematic diagram of polarization-insensitive meta-lens achieved by modulating propagation phase by varying diameter of TiO2 dielectric rods[62]; (e) schematic diagram of a geometric phase metasurface consisting of a single metal layer of rotating metal nanorods to realize photonic spin Hall effect in near infrared band[67]; (f) photo of highly efficient all-dielectric meta-lens sample operating in visible band and characterization of imaging quality in different wave bands[23]
    Multifunctional imaging. (a) Experimental results of chiral holography based on an all-dielectric composite phase metasurface and its sample photos[47]; (b) experimental results of bright- and dark-field imaging based on a composite phase metasurface[68]; (c) schematic diagram of a chiral holographic imaging device with spin decoupling achieved by designing non-mirror symmetric chiral meta-atoms[70]; (d) schematic diagram of deep-ultraviolet dual holographic imaging[48]
    Multifunctional meta-couplers. (a) Schematic diagram of an efficient microwave near- and far-field spin decoupling device and test structure[58]; (b) schematic diagram of an efficient terahertz near-field bifunctional device and experimental test results of surface wave focusing and deflection in different regions[56]; (c) near- and far-field bifunctional integration in 850-950 nm band[72]; (d) efficient coupling between a near-field bifunctional device in optical band and an on-chip optical waveguide[57]
    Multifunctional wavefront modulation devices. (a) Schematic diagram and test results of a device converting incident light with different chirality into vortex light with different orders[50]; (b) schematic diagram of transmissive bifocal spin decoupling consisting of V-shaped nanopore arrays[53]; (c) reflective spin decoupling device based on a two-layer composite phase metasurface realizing different functions at different frequencies[74]; (d) efficient spin decoupling holography in terahertz band achieved using composite phase based on efficient meta-atoms with a high aspect ratio (20∶1) [75]; (e) schematic diagram of a terahertz all-dielectric transmissive spin decoupling vector Bessel beam generator and its test results[76]; (f) near-infrared reflective vector spin decoupling optical device for different orders and test results for rod and angular polarization vector vortex light[77]
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    Zhuo Wang, Qiong He, Shulin Sun, Lei Zhou. Multifunctional Manipulation of Electromagnetic Waves Based on Composite-Phase Metasurfaces (Invited)[J]. Acta Optica Sinica, 2024, 44(10): 1026008

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    Paper Information

    Category: Physical Optics

    Received: Dec. 26, 2023

    Accepted: Jan. 30, 2024

    Published Online: Apr. 26, 2024

    The Author Email: Qiong He (qionghe@fudan.edu.cn), Shulin Sun (sls@fudan.edu.cn), Lei Zhou (phzhou@fudan.edu.cn)

    DOI:10.3788/AOS231991

    CSTR:32393.14.AOS231991

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