Metasurfaces offer exceptional capabilities for controlling electromagnetic waves,enabling the realization of unique electromagnetic properties.As communication technology continues to evolve,metasurfaces present prom...Metasurfaces offer exceptional capabilities for controlling electromagnetic waves,enabling the realization of unique electromagnetic properties.As communication technology continues to evolve,metasurfaces present promising applications in wireless communications.This paper reviews the latest advancements in metasurface research within the communication sector,explores metasurface-based wireless relay technologies,and summarizes various wireless communication methods employing different types of metasurfaces across diverse modulation schemes.This paper provides a detailed discussion on the design of wireless communication systems based on coding metasurfaces to simplify transmitter architecture,as well as the development of intelligent coding metasurfaces in the communication field.It also elaborates on the application of vector vortex light fields in metasurface communication.Finally,it offers a forward-looking perspective on wireless communication systems that incorporate coded metasurfaces.This review aims to furnish researchers with a thorough understanding of the current state and future directions of coded metasurface applications in communications.展开更多
The dynamic tunability of vector beams(VBs)with metasurfaces plays an important role in the discovery of exotic optical phenomena and development of classic and quantum applications.Using the tunability with longitudi...The dynamic tunability of vector beams(VBs)with metasurfaces plays an important role in the discovery of exotic optical phenomena and development of classic and quantum applications.Using the tunability with longitudinal propagation distance and multifunctional capability of the quarter-waveplate(QWP)meta-atoms,dielectric metasurfaces were designed to generate high-order Poincaré(HOP)beams with tunable elliptical polarization states at arbitrary latitudes.The metasurface contained two interleaved sub-metasurfaces of QWP meta-atoms,each configured with helical,hyperbolic,and primary and secondary axicon-phase profiles to generate a vortex,beam focus,and beam deflection,respectively.Importantly,the axicons were suitably designed by combining the propagation and geometric phases to introduce differences in the z-component wavevectors,and the amplitudes of the co-and cross-polarized vortices were tuned by the longitudinal distance.The method broke through the limitation of previously generating only the linear polarization states on the equator of the HOP sphere,and it also circumvented the traditional tunability using the troublesome waveplate-polarizer combination.This study is of great significance for the miniaturization and integration of optical systems for applications such as optical communications,micromanipulation,and high-precision detection.展开更多
Metalens is the next generation of optical metasurfaces for compact imaging,sensing,and display applications that allow the phase,polarization,frequency,amplitude,angular momentum,etc.of the incident light to be desig...Metalens is the next generation of optical metasurfaces for compact imaging,sensing,and display applications that allow the phase,polarization,frequency,amplitude,angular momentum,etc.of the incident light to be designed with high degrees of freedom to meet the application requirements,which has attracted broad interest in the field of planar optics.One significant challenge in implementing applications for metalens is the efficient fabrication of largescale nanostructures with high resolution,robustness and uniform patterning.In this review,we first introduced the manufacturing techniques compatible with metasurfaces fabrication in detail,including masked lithography,maskless lithography,and additive manufacturing,discussed the limitations and provided some insights.Next,we introduced the applications of metalens from the perspective of non-imaging and imaging optics fields.Metalens can enhance the illumination effect,shape beams,and improve the energy conversion efficiency in non-imaging optics.In imaging optics,the role of metalens in replacing traditional optical components in lithography,astronomical observation,microscopic and endoscopic systems is demonstrated.Finally,the challenges that the metalens facing on the road to commercial application are discussed,and the field’s future development is prospected.展开更多
This article reviews the latest advances in the generation and control of perfect vector beams using metasurfaces.In recent years,metasurfaces have garnered increasing interest due to their simple fabrication and easy...This article reviews the latest advances in the generation and control of perfect vector beams using metasurfaces.In recent years,metasurfaces have garnered increasing interest due to their simple fabrication and easy integration.Perfect vortex beams(PVBs),as a type of vector beams,exhibit complex polarization states that require the superposition of multiple phases for their generation.The use of metasurfaces provides a compact platform for the generation of perfect vortex beams and enables more complex vortex beam control tasks,which are quite challenging for traditional optics.This paper begins by introducing the principle of perfect vortex beam generation using metasurfaces,followed by a discussion on the generation of complex perfect vortex beams,including multi-channel and grafted perfect vortex beams.Subsequently,it explores the applications of perfect vortex beams in particle trapping and optical communication.Finally,the paper summarizes the key findings,highlights the limitations of metasurfaces in perfect vortex beam applications,and provides insights into potential future research directions and applications.展开更多
The manipulation of high-quality vector beams(VBs)with metasurfaces is an important topic and has potential for classical and quantum applications.In this paper,we propose a Fresnel zone(FZ)metasurface with metallic n...The manipulation of high-quality vector beams(VBs)with metasurfaces is an important topic and has potential for classical and quantum applications.In this paper,we propose a Fresnel zone(FZ)metasurface with metallic nanoslits arranged on FZs,which sets alternate binary geometric and propagation phases to cancel the incident spin component and focus the converted spin component(CSC).The rotation designs of nanoslits transform the incident polarization state on the conventional Poincare sphere to VBs on the higher-order Poincare(HOP)sphere.The two orbital angular momentum states of the CSCs were manipulated,and the focused HOP beams were generated.The experimental results demonstrate the broadband generation of arbitrarily focused HOP beams of high quality under the illumination of the red(632.8 nm),green(532 nm),and blue(473 nm)light.This work will be of significance for the applications of VBs in different areas,such as precision metrology,optical micromanipulation,and quantum information.展开更多
Vector vortex beams(VVBs)have garnered significant attention in fields such as photonics,quantum information processing,and optical manipulation due to their unique optical properties.However,traditional metasurface f...Vector vortex beams(VVBs)have garnered significant attention in fields such as photonics,quantum information processing,and optical manipulation due to their unique optical properties.However,traditional metasurface fabrication methods are often complex and costly,limiting their practical application.This study successfully fabricated an all-dielectric aluminum oxide metasurface capable of achieving longitudinal variation using 3D printing technology.Experimental results demonstrate that this metasurface generates longitudinally varying VVBs at 0.1 THz,with detailed characterization of its longitudinal intensity distribution and vector polarization states.The high consistency between experimental and simulation results validates the effectiveness of 3D printing in metasurface fabrication.The proposed metasurface offers promising applications in optical polarization control and communication,providing,to our knowledge,new insights and technical support for related research.展开更多
基金supported in part by National Natural Science Foundation of China(U24A20307 and 62175224)in part by the science and technology innovation leading talent project of special support plan for high-level talents in Zhejiang Province(2021R52032)+2 种基金in part by the China Jiliang University Basic Research ExpensesZhejiang University Students Science and Technology Innovation Activity Plan-New Talent Plan(2024R409C054)in part by the Natural Science Foundation of Zhejiang Province under Grant(ZCLZ25F0502).
文摘Metasurfaces offer exceptional capabilities for controlling electromagnetic waves,enabling the realization of unique electromagnetic properties.As communication technology continues to evolve,metasurfaces present promising applications in wireless communications.This paper reviews the latest advancements in metasurface research within the communication sector,explores metasurface-based wireless relay technologies,and summarizes various wireless communication methods employing different types of metasurfaces across diverse modulation schemes.This paper provides a detailed discussion on the design of wireless communication systems based on coding metasurfaces to simplify transmitter architecture,as well as the development of intelligent coding metasurfaces in the communication field.It also elaborates on the application of vector vortex light fields in metasurface communication.Finally,it offers a forward-looking perspective on wireless communication systems that incorporate coded metasurfaces.This review aims to furnish researchers with a thorough understanding of the current state and future directions of coded metasurface applications in communications.
基金National Natural Science Foundation of China(62175134,62375159,12174226,12274478)Natural Science Foundation of Shandong Province(ZR2022MF248)。
文摘The dynamic tunability of vector beams(VBs)with metasurfaces plays an important role in the discovery of exotic optical phenomena and development of classic and quantum applications.Using the tunability with longitudinal propagation distance and multifunctional capability of the quarter-waveplate(QWP)meta-atoms,dielectric metasurfaces were designed to generate high-order Poincaré(HOP)beams with tunable elliptical polarization states at arbitrary latitudes.The metasurface contained two interleaved sub-metasurfaces of QWP meta-atoms,each configured with helical,hyperbolic,and primary and secondary axicon-phase profiles to generate a vortex,beam focus,and beam deflection,respectively.Importantly,the axicons were suitably designed by combining the propagation and geometric phases to introduce differences in the z-component wavevectors,and the amplitudes of the co-and cross-polarized vortices were tuned by the longitudinal distance.The method broke through the limitation of previously generating only the linear polarization states on the equator of the HOP sphere,and it also circumvented the traditional tunability using the troublesome waveplate-polarizer combination.This study is of great significance for the miniaturization and integration of optical systems for applications such as optical communications,micromanipulation,and high-precision detection.
基金supported in part by the Natural Science Foundation of Zhejiang Province under Grant(ZCLZ25F0502)in part by the Science and Technology Innovation Leading Talent Project of Special Support Plan for High-level Talents in Zhejiang Province(2021R52032)+2 种基金in part by the China Jiliang University Basic Research Expensesin part by the Zhejiang University Students Science and Technology Innovation Activity Plan—New Talent Plan(2024R409C054)in part by the Scientific Research Fund of Zhejiang Provincial Education Department(Y202456390).
文摘Metalens is the next generation of optical metasurfaces for compact imaging,sensing,and display applications that allow the phase,polarization,frequency,amplitude,angular momentum,etc.of the incident light to be designed with high degrees of freedom to meet the application requirements,which has attracted broad interest in the field of planar optics.One significant challenge in implementing applications for metalens is the efficient fabrication of largescale nanostructures with high resolution,robustness and uniform patterning.In this review,we first introduced the manufacturing techniques compatible with metasurfaces fabrication in detail,including masked lithography,maskless lithography,and additive manufacturing,discussed the limitations and provided some insights.Next,we introduced the applications of metalens from the perspective of non-imaging and imaging optics fields.Metalens can enhance the illumination effect,shape beams,and improve the energy conversion efficiency in non-imaging optics.In imaging optics,the role of metalens in replacing traditional optical components in lithography,astronomical observation,microscopic and endoscopic systems is demonstrated.Finally,the challenges that the metalens facing on the road to commercial application are discussed,and the field’s future development is prospected.
基金supported by the Natural Science Foundation of Zhejiang Province(China)under Grant LY22F050001in part by the Science and technology innovation leading talent project of special support plan for high-level talents in Zhejiang Province(China)(2021R52032)in part by the National Natural Science Foundation of China under grant No.62175224.
文摘This article reviews the latest advances in the generation and control of perfect vector beams using metasurfaces.In recent years,metasurfaces have garnered increasing interest due to their simple fabrication and easy integration.Perfect vortex beams(PVBs),as a type of vector beams,exhibit complex polarization states that require the superposition of multiple phases for their generation.The use of metasurfaces provides a compact platform for the generation of perfect vortex beams and enables more complex vortex beam control tasks,which are quite challenging for traditional optics.This paper begins by introducing the principle of perfect vortex beam generation using metasurfaces,followed by a discussion on the generation of complex perfect vortex beams,including multi-channel and grafted perfect vortex beams.Subsequently,it explores the applications of perfect vortex beams in particle trapping and optical communication.Finally,the paper summarizes the key findings,highlights the limitations of metasurfaces in perfect vortex beam applications,and provides insights into potential future research directions and applications.
基金National Natural Science Foundation of China(11904212,12004215,62175134).
文摘The manipulation of high-quality vector beams(VBs)with metasurfaces is an important topic and has potential for classical and quantum applications.In this paper,we propose a Fresnel zone(FZ)metasurface with metallic nanoslits arranged on FZs,which sets alternate binary geometric and propagation phases to cancel the incident spin component and focus the converted spin component(CSC).The rotation designs of nanoslits transform the incident polarization state on the conventional Poincare sphere to VBs on the higher-order Poincare(HOP)sphere.The two orbital angular momentum states of the CSCs were manipulated,and the focused HOP beams were generated.The experimental results demonstrate the broadband generation of arbitrarily focused HOP beams of high quality under the illumination of the red(632.8 nm),green(532 nm),and blue(473 nm)light.This work will be of significance for the applications of VBs in different areas,such as precision metrology,optical micromanipulation,and quantum information.
基金National Natural Science Foundation of China(U24A20307,62175224)Science and Technology Innovation Leading Talent Project of Special Support Plan for High-level Talents in Zhejiang Province(2021R52032).
文摘Vector vortex beams(VVBs)have garnered significant attention in fields such as photonics,quantum information processing,and optical manipulation due to their unique optical properties.However,traditional metasurface fabrication methods are often complex and costly,limiting their practical application.This study successfully fabricated an all-dielectric aluminum oxide metasurface capable of achieving longitudinal variation using 3D printing technology.Experimental results demonstrate that this metasurface generates longitudinally varying VVBs at 0.1 THz,with detailed characterization of its longitudinal intensity distribution and vector polarization states.The high consistency between experimental and simulation results validates the effectiveness of 3D printing in metasurface fabrication.The proposed metasurface offers promising applications in optical polarization control and communication,providing,to our knowledge,new insights and technical support for related research.
