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Article
Nanoscience & Nanotechnology
Maowen Song et al.
Summary: The development of modern digital displays and colour printing has driven the rapid advancement of colouration technologies. Metasurface-based structural colouration shows high colour saturation, wide gamut palette, chiaroscuro presentation and polarization tunability. However, previous approaches cannot simultaneously achieve all these features. In this study, we demonstrate a surface-relief plasmonic metasurface that allows independent control of colour hue, saturation and brightness through variations in the geometric dimensions and orientation of shallow nanoapertures. Microscale artworks with photorealistic and stereoscopic impressions are fabricated using a reusable template-stripping technique. Furthermore, different combinations of incident and reflected polarized light can decode kaleidoscopic information states.
NATURE NANOTECHNOLOGY
(2023)
Article
Physics, Multidisciplinary
Ling -Jun Kong et al.
Summary: As an important imaging technique, holography has been realized with different physical dimensions of light, including polarization, wavelength, and time. Recently, quantum holography has been demonstrated with polarization entangled state, showing advantages of high robustness and enhanced spatial resolution. However, the capacity of quantum holography is limited due to the two-dimensional degree of freedom of polarization. In this study, we propose a method to achieve high-dimensional quantum holography using high-dimensional orbital angular momentum (OAM) entanglement. Proof-of-principle experiments with four- and six-dimensional OAM entangled states validate the feasibility of our idea and demonstrate high robustness to classical noise. Furthermore,a high-dimensional quantum holography can greatly improve the security level of holographic imaging encryption system.
PHYSICAL REVIEW LETTERS
(2023)
Article
Multidisciplinary Sciences
Bo Xiong et al.
Summary: By introducing engineered noise to the precise solution of Jones matrix elements, we have surpassed the fundamental limit of polarization multiplexing capacity of metasurfaces. Through experiments, we have achieved up to 11 independent holographic images using a single metasurface illuminated by visible light with different polarizations, which is the highest reported capacity for polarization multiplexing. With the combination of position multiplexing, the metasurface is capable of generating 36 distinct images, forming a holographic keyboard pattern. This discovery opens up new possibilities for high-capacity optical display, information encryption, and data storage.
Article
Chemistry, Multidisciplinary
Byoungsu Ko et al.
Summary: This study investigates humidity-responsive nano pixels with a 700 nm resolution, demonstrating full standard RGB gamut coverage and a millisecond-response time. The color pixels are designed as Fabry-Perot etalons and consist of an aluminum mirror substrate, humidity-responsive polyvinyl alcohol spacer, and a top layer of disordered silver nanoparticles. The experiment shows that the volume change of the polyvinyl alcohol reaches up to 62.5% when the relative humidity is manipulated from 20 to 90%. The disordered silver nanoparticle layer enhances the speed of absorption and swelling to the millisecond level.
Article
Multidisciplinary Sciences
Zijian Shi et al.
Summary: Computer-generated holograms are crucial for various applications. However, orbital angular momentum (OAM) holography is limited by a fundamental sampling criterion. In this study, a comprehensive model on multiplexing crosstalk in OAM holography is established and a pseudo incoherent approach and a coherent solution by temporal multiplexing are proposed to eliminate crosstalk and enhance resolution and capacity. This method enables OAM-multiplexed holographic reconstruction with high quality, high resolution, and high capacity, offering a practical route towards high-performance holographic systems.
NATURE COMMUNICATIONS
(2023)
Article
Multidisciplinary Sciences
Fei Zhang et al.
Summary: Optical encryption is a promising method for protecting secret information, but has limitations such as bulky systems and low security. The proposed strategy of meta-optics-empowered vector visual cryptography fully utilizes the degrees of freedom of light and spatial dislocation to improve security. The decryption meta-camera enables real-time imaging display of hidden information, avoiding redundant measurement and digital post-processing. This strategy has a compact footprint, high security, and rapid decryption, providing a new approach to optical information security and anti-counterfeiting.
NATURE COMMUNICATIONS
(2023)
Article
Optics
Hui Yang et al.
Summary: This study proposes the concept of angular momentum holography, which can fully synergize spin angular momentum and orbital angular momentum. It demonstrates the reconstruction of spin-orbital locked and spin-superimposed holographic images using a single-layer, non-interleaved metasurface. The designed dual-functional AM meta-hologram enables a novel optical nested encryption scheme, offering parallel information transmission with ultra-high capacity and security. This research has promising applications in optical communication, information security, and quantum science.
LIGHT-SCIENCE & APPLICATIONS
(2023)
Article
Chemistry, Multidisciplinary
Joohoon Kim et al.
Summary: This research proposes a dual-band vectorial metahologram for optical encryption in the visible and ultraviolet (UV) regimes. By encoding nine holographic images for different polarization states using a pixelated metasurface, independent holograms can be observed under UV laser and visible laser illumination. This dual-band vectorial hologram device has the potential to be applied in various high-security and anticounterfeiting applications.
Article
Chemistry, Multidisciplinary
Zejing Wang et al.
Summary: In this study, a multiplexing imaging tunable strategy based on stepwise metal-hydrogel-metal (MHM) nanocavities is explored, enabling dynamic switchable red-green-blue multichannel nanoprinting in real-time. This new approach holds promise for applications in tunable imaging display/storage/encryption, humidity optical sensors, and next-generation dynamic augmented reality technology.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Chengwei Wan et al.
Summary: The article discusses the transition of meta-optics towards active controllable devices and introduces a practical solution, the electric-driven liquid-crystal-integrated metasurface (ELIM), for advanced dynamic display. By carefully selecting building block modules and leveraging anisotropic characteristics, the technology enables dynamic exhibitions of dual-nanoprinting and dual-holography images.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Rui Feng et al.
Summary: The study demonstrated an all-optical continuously tunable plasmonic pixel scheme through a modular design approach to achieve polarization-controlled full color tuning.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Mingfeng Xu et al.
Summary: This study proposes a general framework to generate a spatially homogeneous in-plane phase distribution from a disordered metasurface. Through experimentation, it is demonstrated that this method significantly improves the range of phase fluctuation and the relative efficiency, resulting in a long-range ordered electric field distribution.
ADVANCED MATERIALS
(2022)
Article
Optics
Yulong Fan et al.
Summary: The use of a genetic algorithm-generated metalens can effectively address the issues of phototoxicity and low signal-to-noise ratio in light-sheet fluorescence microscopy, enhancing the axial resolution and signal-to-noise ratio of the light sheet, and extending its depth of focus. This innovative technology may play an important role in large-scale bioimaging applications without the need for mechanical dithering.
LASER & PHOTONICS REVIEWS
(2022)
Article
Optics
Hongqiang Zhou et al.
Summary: This paper presents a correlated triple amplitude and phase holographic encryption based on an all-dielectric metasurface. By smart design and optimized algorithm, it achieves the capability of encrypting information in multiple wavelength and polarization channels.
PHOTONICS RESEARCH
(2022)
Article
Optics
Shifei Zhang et al.
Summary: This article introduces the technology of using dielectric metasurfaces for polarization multiplexing, which can achieve flexible polarization transformation and complex optical encryption, and is expected to be widely used in smart compact devices.
PHOTONICS RESEARCH
(2022)
Article
Multidisciplinary Sciences
Zhaogang Dong et al.
Summary: A study has found that the design of nanoantennas can achieve saturated and bright red colors with high reflectance, surpassing traditional red pigments. This design also has potential applications in information encryption.
Article
Multidisciplinary Sciences
Cuo Wu et al.
Summary: We demonstrate a room-temperature on-chip integrated OAM source that emits well-collimated single photons carrying entangled spin and OAM states. Our research bridges the gap between conventional OAM manipulation and nonclassical light sources, enabling high-dimensional and large-scale photonic quantum systems for quantum information processing.
Article
Engineering, Electrical & Electronic
Che Liu et al.
Summary: This article introduces a programmable diffractive deep neural network based on a multi-layer digital-coding metasurface array, which can be used for deep learning tasks in wave sensing and wireless communications.
NATURE ELECTRONICS
(2022)
Article
Chemistry, Multidisciplinary
Xuyue Guo et al.
Summary: Metasurfaces provide a compact and powerful platform for manipulating light, with the capability of full-color holography encoded with arbitrary polarization. Applications such as holographic 3D imaging and information encryption are realized through the full degree of freedom tuning in polarization and color spaces. The strategy exhibits promising potential in applications of 3D display, augmented/virtual reality, high-density data storage, and encryption.
ADVANCED MATERIALS
(2022)
Article
Chemistry, Multidisciplinary
Xiaolong Zhu et al.
Summary: This work presents a cost-effective and lithography-free method for printing optical metasurfaces. By utilizing resonant absorption of laser light in an optical cavity formed by a multilayer structure, nearly perfect light absorption is achieved through interferometric control. This approach demonstrates reliability, upscaling, and subwavelength resolution in creating metasurfaces for structural colors, optical holograms, and diffractive optical elements.
Review
Multidisciplinary Sciences
Ahmed H. Dorrah et al.
Summary: Flat optics, with its subwavelength resolution, ease of integration, and compact design, has become a crucial player in the field of structured light and its applications. The new generation of meta-optics can shape the light and dark features of an optical field with unprecedented complexity and multifunctionality. These advancements have the potential to revolutionize camera systems, microscopes, holography, portable devices, and wearable technology, and may also open up new possibilities in optical communications and sensing.
Article
Optics
Trevon Badloe et al.
Summary: The nanostructured metasurfaces provide a platform for high-performance color printing, active multicolor cryptographic applications, and tunable pixels towards high-performance full-color reflective displays.
LIGHT-SCIENCE & APPLICATIONS
(2022)
Article
Quantum Science & Technology
Qing-Yuan Wu et al.
Summary: In this study, we demonstrate that the quantum properties of holographic metasurfaces can be obtained through quantum state tomography and quantum process tomography. The theoretical output states derived from the estimated quantum process are in good agreement with the experimental output states, proving the effectiveness of our method. This work not only provides theoretical and experimental analysis for understanding the quantum properties of holographic metasurfaces, but also lays the foundation for their application in the quantum field.
NPJ QUANTUM INFORMATION
(2022)
Article
Multidisciplinary Sciences
Zhengli Han et al.
Summary: This article introduces a cost-effective and fast full-range electrically controlled RGB color display. It utilizes plasmonic metasurfaces and MEMS technology with common materials such as aluminum and silicon oxide, allowing for color filter modulation and transmission control. The display demonstrates high-speed response and adjustable transparency, which is significant for future ultrafast displays.
Article
Multidisciplinary Sciences
Tao He et al.
Summary: The authors proposed an all-dielectric quasi-three-dimensional subwavelength structure to achieve perfect anomalous reflections at optical frequencies. Through complex multiple scattering processes, the structure provides the necessary nonlocal control of light waves required for achieving 100% efficiency anomalous reflections.
Review
Chemistry, Multidisciplinary
Jun Guan et al.
Summary: This review discusses the integration of plasmonic and dielectric metasurfaces with emissive or stimuli-responsive materials, enabling control of light-matter interactions at the nanoscale. Metasurfaces offer the ability to manipulate electromagnetic waves at the subwavelength level, while the combination with nanoscale emitters allows for enhanced photoluminescence, nanoscale lasing, controlled quantum emission, and formation of exciton-polaritons. Additionally, the use of functional materials that respond to external stimuli enables the engineering of tunable nanophotonic devices. Emerging metasurface designs, such as surface-functionalized, chemically tunable, and multilayer hybrid metasurfaces, hold promise for various applications including photocatalysis, sensing, displays, and quantum information.
Article
Multidisciplinary Sciences
Yanjun Bao et al.
Summary: By cascading two layer metasurfaces and utilizing the gradient descent optimization algorithm, a spatially varying Jones matrix with eight DOFs has been constructed and verified numerically and experimentally in optical frequencies. This ultimate control opens up opportunities to design optical functionalities that were previously unattainable and may find wide potential applications in optical fields.
NATURE COMMUNICATIONS
(2022)
Article
Optics
Sergey S. Kruk et al.
Summary: Assembling dissimilar nonlinear dielectric resonators into translucent metasurfaces, the asymmetric parametric generation of light in nonlinear metasurfaces is demonstrated, paving the way for innovative nanophotonic component designs.
Article
Chemistry, Multidisciplinary
Jingxiao Yan et al.
Summary: Compared to traditional holographic technology, metasurface holography offers larger field angle and higher spatial resolution. By precisely controlling phase, amplitude, and polarization, metasurface holography provides a flexible platform for light modulation and optical encryption. Furthermore, the process of image reconstruction through single pixel imaging resembles encoding and decoding, achieved by calculating the correlation between modulation patterns and intensity signals. This study proposes an optical encryption scheme based on spatial multiplexing metasurface, combining holographic technology and single pixel imaging. Different holographic reconstructed images can be generated by illuminating different positions of the metasurface, with 50% information overlap between adjacent sub-holograms. This work utilizes the spatial multiplexing property of metasurface to accomplish various functionalities, paving the way for applications in optical imaging encryption and information security.
Article
Optics
Chao He et al.
Summary: This article discusses methods, challenges, and opportunities for the creation, detection, and control of multiple degrees of freedom for higher-dimensional structured light, and presents a roadmap for future development.
LIGHT-SCIENCE & APPLICATIONS
(2022)
Article
Optics
Min Ouyang et al.
Summary: Optical encryption has gained attention due to the growing importance of information security in modern society. Most encryption methods based on metasurfaces encrypt information into physical forms, limiting information sharing and compatibility with digital information processing technology. This study presents an alternative scheme where information is encrypted on optical images using metasurfaces to modulate spatial frequencies.
Article
Nanoscience & Nanotechnology
Qitong Li et al.
Summary: This article introduces a metasurface optofluidic platform that allows for dynamic control of light fields' intensity and spectral properties. By combining optofluidics and metasurface optics, new platforms for light field control are created. The researchers designed highly sensitive metasurface building blocks and used them to create flat optics inside microfluidic channels, manipulating the optical behavior by controlling the refractive index of the liquids. The results demonstrate the ability to tune the intensity and spectral properties of metasurface color pixels and the platform's automated control capability.
NATURE NANOTECHNOLOGY
(2022)
Article
Multidisciplinary Sciences
Byoungsu Ko et al.
Summary: This study demonstrates the fabrication of tunable and erasable optical security metasurfaces using a nanoimprinting technique with nanostructured polyvinyl alcohol (PVA). The PVA nanostructures exhibit high resolution and aspect ratios, and their response to changes in relative humidity allows for precise wavefront manipulation of visible light. Various highly-secure multiplexed optical encryption functionalities are achieved based on irreversible and reversible changes in relative humidity.
NATURE COMMUNICATIONS
(2022)
Article
Multidisciplinary Sciences
Xue Zhang et al.
Summary: In this paper, the principle of generating diverse geometric patterns using a linear combination of basis functions is introduced. A new type of Dammann vortex metasurface (DVM) is proposed to create an array of diffraction-multiplexed vortex patterns based on three custom-defined basis patterns. This research has important implications for applications such as orbital angular momentum encryption and quantum entanglement.
Review
Optics
Jaekyung Kim et al.
Summary: Tunable metasurfaces have the ability to manipulate the phase, amplitude, and polarization of light in a compact form. Recent progress has been made in metalenses and metaholograms, and the advantages and disadvantages of different working mechanisms are discussed.
ADVANCED PHOTONICS
(2022)
Article
Nanoscience & Nanotechnology
Soroosh Daqiqeh Rezaei et al.
Summary: The article introduces the traditional and new definitions of structural colors, discusses the physical phenomena and main application areas of structural colors, summarizes the materials and structures used to generate structural coloration, and the latest advances in dynamic structural colors.
Article
Chemistry, Multidisciplinary
Chulsoo Choi et al.
Summary: This paper proposes a new method to expand the switching functionality of GST metasurfaces, and introduces a novel hologram technique for providing visually recognizable information in a specific state. This hybrid state is of significant importance for realizing highly secure visual cryptography architecture.
ADVANCED FUNCTIONAL MATERIALS
(2021)
Editorial Material
Chemistry, Multidisciplinary
Yuri S. Kivshar
Article
Multidisciplinary Sciences
G. W. K. Moore et al.
Summary: Ice arches at the northern and southern ends of Nares Strait, a key passage in the Arctic, are forming for shorter durations, leading to increased ice transport and accelerating the export of multi-year ice.
NATURE COMMUNICATIONS
(2021)
Article
Optics
Keiichiro Toda et al.
Summary: The text discusses a supersensitive QPI technique that expands the dynamic range through a combination of wavefront shaping and dark-field QPI techniques. Experimental results show that this technique can improve the sensitivity of QPI and is useful for mid-infrared photothermal QPI.
LIGHT-SCIENCE & APPLICATIONS
(2021)
Article
Chemistry, Multidisciplinary
Rajib Ahmed et al.
Summary: A reconfigurable, large-scale flexible metalens was successfully fabricated using single-pulsed, maskless light interference and imprinting technique, demonstrating tunable focusing capabilities and laying the foundation for a new class of large-scale, cost-effective metalens.
Article
Optics
Hui Yang et al.
Summary: This study demonstrates a compact all-silicon metasurface that can fully resolve arbitrary beams on a higher-order Poincare sphere (HOPS) via a single intensity measurement while detecting optical singularities and higher-order Stokes parameters simultaneously. Experimental results validate the effectiveness of the proposed metadevice, with the design strategy showing potential for extending to fully resolve arbitrary beams up to order 4 on HOPS. Because of its compact configuration and compatibility with current semiconductor technology, the metadevice holds promise for applications in information processing and optical communications.
PHOTONICS RESEARCH
(2021)
Review
Nanoscience & Nanotechnology
Jiaqi Jiang et al.
Summary: This review discusses the importance of neural networks in photonic-system modelling and highlights the functionalities that deep neural networks can achieve, as well as the suitability of photonic systems for machine learning. Additionally, the application of fundamental data-science concepts within the context of photonics is explored.
NATURE REVIEWS MATERIALS
(2021)
Article
Chemistry, Multidisciplinary
Nathalie Destouches et al.
Summary: The technique of laser processing of nanocomposites allows for controlling the statistical properties of random metasurfaces, enabling multiplexing of multiple images. By manipulating absorption and interference effects, as well as the anisotropy of plasmonic nanoparticles, colors in reflection and transmission can be altered independently under white light, facilitating multiplexing of multiple images.
ADVANCED FUNCTIONAL MATERIALS
(2021)
Article
Optics
Qianwei Zhou et al.
Summary: By utilizing a single-layer dielectric metasurface, the broadband generation of PVBs across the entire visible spectrum is demonstrated, with their perfect characteristics verified through rigorous optimization of structural parameters. Additionally, it is shown that the ellipticity and diameter of a PVB can be controlled by adjusting the structural parameters of the metasurface, increasing the design flexibility.
LASER & PHOTONICS REVIEWS
(2021)
Article
Optics
Xu Ouyang et al.
Summary: Optical multiplexing with orthogonal data channels improves density and security, but nanoscale OAM sensitivity limits its application. Utilizing OAM for nanoscale information multiplexing involves discovering OAM-dependent polarization ellipses and synthetic helical dichroism. This mechanism enables six-dimensional optical information multiplexing with subwavelength-scale focused OAM beams and plasmonic nanoaggregates.
Article
Optics
Maowen Song et al.
Summary: Utilizing a surface-relief aluminum metasurface for polarization-tunable plasmonic colors enables high-density optical data storage through encoding information in nanopixels. This approach offers rapid parallel readout and dynamic image generation capabilities.
LASER & PHOTONICS REVIEWS
(2021)
Article
Optics
Yuze Hu et al.
Summary: This study introduces a novel spatiotemporal metadevice for terahertz wave manipulation with ultra-high spatial and ultrafast temporal control, exhibiting bistability and erasable logic operations. By leveraging both spatial and temporal degrees of freedom, it lays the foundation for enhancing optical computing, data storage, and ultrahigh-speed information processing capabilities.
LASER & PHOTONICS REVIEWS
(2021)
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.
Article
Physics, Multidisciplinary
Hugo Defienne et al.
Summary: Holography is a fundamental characterization and imaging technique that relies on coherence, with classical holography requiring first-order coherence. Quantum holography, by utilizing polarization entanglement, allows for phase information extraction without the need for first-order coherence. This technique, using spatial-polarization hyper-entangled photon pairs, enables high-resolution imaging of complex objects even in the presence of dynamic phase disorder and strong classical noise.
Article
Chemistry, Multidisciplinary
Ruizhe Zhao et al.
Summary: The birefringent dielectric metasurface demonstrates the encoding of a grayscale image in real-space and the reconstruction of a vectorial holographic image in k-space, enhancing the information capability and security level through polarization manipulation and phase modulation simultaneously.
ADVANCED FUNCTIONAL MATERIALS
(2021)
Article
Chemistry, Multidisciplinary
Bo Xiong et al.
Summary: The combination of biological mimicry and metasurface designs has led to the development of holographic mimicry devices. A general mathematical method called phase matrix transformation is used to achieve the holographic mimicry process. Dynamic metasurface holograms have been designed to display different images in varying environments, and holographic mimicry operating at dual wavelengths has been experimentally demonstrated. The fully independent phase modulation realized by phase matrix transformation enhances the working efficiency of the devices, potentially opening up new research avenues for applications such as optical information encryption, VR/AR, and military camouflage systems.
ADVANCED MATERIALS
(2021)
Article
Optics
Hui Yang et al.
Summary: Twisted light, with spatially varying phase or polarization, has various applications such as micro-particle manipulation, optical communication, and quantum information processing. Recent progress in on-chip twisted light generation from typical devices has been highlighted, aiming at addressing key research advances and technical challenges in this emerging research field.
Editorial Material
Nanoscience & Nanotechnology
Sergey Lepeshov et al.
Summary: The use of phase-change materials enables metasurfaces and nanoantennas to be electrically tunable and switchable, enhancing their functionality to a new level.
NATURE NANOTECHNOLOGY
(2021)
Article
Optics
Alexander S. Solntsev et al.
Summary: Progress in the field of quantum-photonics applications of metasurfaces is rapidly advancing, enabling the development of optical chips and advanced quantum tomography. With the use of metamaterials and metaphotonics, bulky optical assemblies are being replaced with thin nanostructured films, leading to innovative approaches in controlling non-classical light properties.
Article
Materials Science, Multidisciplinary
Qiang Xiao et al.
Summary: Metasurface holography utilizes orbital-angular-momentum of electromagnetic waves for encryption, using two coding information metasurfaces to achieve this purpose. Accurate decoding is only possible under specific beam and polarization states, enhancing security.
ADVANCED OPTICAL MATERIALS
(2021)
Article
Multidisciplinary Sciences
Philip Georgi et al.
Summary: This study demonstrates a novel secret sharing scheme based on metasurface holography, utilizing holographic images for splitting and reconstructing encrypted information, achieving high fidelity secret extraction.
Article
Multidisciplinary Sciences
Inki Kim et al.
Summary: The study introduces a novel compact sensor platform that can autonomously sense the presence of gases and provide immediate visual holographic alarms without the need for additional complex instruments to report gas detection information. By combining liquid crystals and holographic metasurfaces, researchers have developed a compact gas sensor and successfully demonstrated its applicability on safety goggles.
Article
Multidisciplinary Sciences
Tao Yan et al.
Summary: The article introduces an anisotropic digital metasurface technology that can project polarization multiplexing patterns at microwave frequencies, along with a modified calculation algorithm and coding metamaterial unit. By comparing experimental measurements with simulation results, the effectiveness of the designed metasurface is validated.
ADVANCED THEORY AND SIMULATIONS
(2021)
Article
Nanoscience & Nanotechnology
Jiao Tang et al.
Summary: The study demonstrates the feasibility of angular multiplexing switchable nanoprinting with independent amplitude encryption based on visible-frequency metasurfaces, paving the way for promising applications in optical information encryption/concealment, multifunctional switchable devices, and advanced eyeglass-free 3D stereoscopic displays.
ACS APPLIED MATERIALS & INTERFACES
(2021)
Article
Chemistry, Multidisciplinary
Xin Li et al.
Summary: Metasurface holography combining code division multiplexing and polarization control can generate dynamic holographic images for encryption communication, and achieve active modulation through a digital micromirror device.
ADVANCED FUNCTIONAL MATERIALS
(2021)
Article
Chemistry, Multidisciplinary
Zi-Lan Deng et al.
Summary: Malus' law serves as the foundation for image steganography based on orthogonal polarizations of light, but introducing a vectorial compound metapixel design allows for arbitrary nonorthogonal polarization multiplexing of independent grayscale images with high fidelity and strong concealment. This new approach sheds light on metaoptics and unlocks the full potential of metasurface polarization optics.
ADVANCED MATERIALS
(2021)
Article
Chemistry, Multidisciplinary
Wenhong Yang et al.
Summary: The study introduces dynamic bifunctional metasurfaces that combine multiple metaholograms at different wavelengths with structural colors by controlling their spectral and phase responses. The ability to switch light diffraction on and off at specific wavelengths through destructive interference and resonance on external environment allows for selectively turning encoded metaholograms on and off, making holographic images dynamically switchable. This concept is a solid step towards practical applications of all-dielectric metasurfaces.
ADVANCED MATERIALS
(2021)
Review
Chemistry, Multidisciplinary
Chunghwan Jung et al.
Summary: Traditional OVDs face risks in the face of increasing counterfeit threats; Metasurfaces, as candidates for the new generation of OVDs, exhibit multiple optical responses and provide a more robust solution for optical anti-counterfeiting; mOVDs have multiple optical responses, are difficult to reverse engineer, and are key points of discussion in terms of fabrication methods and classification.
Article
Optics
Kai Ou et al.
Summary: The article demonstrates the use of all-silicon Metasurfaces to create broadband achromatic metalenses in the mid-wavelength infrared range. These metalenses achieve high focusing efficiency and diffraction-limited imaging, showing promise for applications in mid-wavelength infrared imaging and detection.
LASER & PHOTONICS REVIEWS
(2021)
Article
Optics
Ling Li et al.
Summary: This paper proposes all-dielectric noninterleaved metalenses with polarization-switchable multi-focal points, in which each rectangular nanopillar has independently switchable multiple focal points. By fully utilizing the polarization freedom, independently switchable focal points at any spatial position are achieved, with near-zero crosstalk between orthogonal polarization channels.
LASER & PHOTONICS REVIEWS
(2021)
Article
Materials Science, Multidisciplinary
Guangtao Cao et al.
Summary: Infrared metasurfaces are revolutionary tools for manipulating electromagnetic waves, with potential applications in military and civilian fields. These surfaces can steer electromagnetic waves within subwavelength scale with full degrees of freedom, allowing for the development of various planar meta-devices.
Article
Chemistry, Multidisciplinary
Ping Yu et al.
Summary: This research demonstrates the use of liquid crystals as a thin surrounding medium for electrically tunable optical metasurfaces, achieving rapid and reversible polarization rotation of linearly polarized light at visible frequencies. By controlling both the geometric and propagation phase tuning capabilities, flexible control over the polarization angle is achieved.
Article
Chemistry, Multidisciplinary
Kang Wang et al.
Summary: A lithographic template-confined crystallization approach was proposed to prepare large-scale perovskite microstructures for 2D optical encryption, demonstrating outstanding lasing performance and customizable laser output; cavity-geometry-dependent lasing thresholds allowed for controllable laser output from different shaped elements, utilized for cryptographic demonstration.
Article
Chemistry, Multidisciplinary
Yueqiang Hu et al.
Summary: This research demonstrates an electrically tunable multifunctional polarization-dependent metasurface integrated with liquid crystals in the visible range, allowing for continuous intensity tuning and switching of two helicity channels. Additionally, electrically tunable mono- and multicolor switchable metaholograms and dynamic varifocal metalenses are showcased.
Article
Optics
Hui Yang et al.
Summary: This study demonstrated a meta-device capable of dynamically switching between 2D edge-enhanced imaging and bright-field imaging, functioning as either a high-pass or low-pass filter in the Fourier frequency spectrum depending on its phase state. The meta-device features an ultra-thin architecture and polarization-insensitive dynamically switchable functionality, with potential applications in integrated biomedical imaging and defect detection.
Article
Materials Science, Multidisciplinary
Shuai Wan et al.
Summary: This study proposes a general strategy for angular-multiplexing metasurfaces based on building up an independent-encoded amplitude/phase dictionary, which provides a new platform for achieving complexity of functions for angular resolved illumination, and expanding the manipulative capabilities for optical multiplexing.
ADVANCED OPTICAL MATERIALS
(2021)
Article
Nanoscience & Nanotechnology
Hanyu Zheng et al.
Summary: The paper proposes a novel manufacturing method for metasurfaces based on self-assembly of nanospheres combined with grayscale lithography, enabling large-scale metasurfaces with nonperiodic phase profiles in a cost-effective manner. This approach demonstrates diffraction-limited focusing and holograms on a series of large-scale metalenses, potentially opening new doors for cost-effective and large-scale fabrication of a wide range of metasurface-based optics.
Article
Nanoscience & Nanotechnology
Haogang Cai et al.
Summary: The use of metasurfaces in holography has led to revolutionary advances in compactness, integrability, and performance. This manuscript demonstrates polarization-insensitive metasurfaces encoding arbitrary and independent holograms, allowing for switchable meta-holograms without the need for high-performance light sources or complex alignment. This approach points toward ultracompact and cost-effective switchable meta-holograms for various practical applications, such as holographic image projection, sensors, and optical information storage.
Article
Multidisciplinary Sciences
Yanjun Bao et al.
Summary: By proposing a new metasurface design strategy, we constructed a Jones matrix with six degrees of freedom, enabling various polarization functionalities that can only be achieved with high degrees of freedom. This provides a platform for designing arbitrary complex polarization elements and broadens the application of polarization optics.
Article
Multidisciplinary Sciences
Noah A. Rubin et al.
Summary: A new class of computer-generated holograms called Jones matrix holograms are introduced, which allow for designer-specified polarization response in the far-fields. These holograms can be implemented using form-birefringent metasurfaces. The technology generalizes past research and demonstrates previously unrealized devices, showcasing examples such as holograms with parallel polarization analysis and customized waveplate-like behavior.
Article
Multidisciplinary Sciences
Chao Meng et al.
Summary: The study combines thin-film piezoelectric MEMS with gap-surface plasmon-based OMS to develop an electrically driven dynamic MEMS-OMS platform for controllable phase and amplitude modulation of reflected light. This platform demonstrates MEMS-OMS components for polarization-independent beam steering and 2D focusing with high modulation efficiencies, broadband operation, and fast responses. The developed MEMS-OMS platform offers flexible solutions for complex dynamic 2D wavefront manipulations in reconfigurable and adaptive optical networks and systems.
Review
Optics
Dandan Wen et al.
Summary: Multi-color holography has found applications in various fields such as optical document security, nonvolatile data storage, and virtual or augmented reality systems. Recent developments in multi-color metasurface holograms provide opportunities for manipulating optical fields at visible wavelengths. Categorized based on their color-separating mechanisms, these holograms offer new insights and potential applications in different fields.
ADVANCED PHOTONICS
(2021)
Review
Optics
Hui Gao et al.
Summary: Holography is an ideal approach for future deep-immersive naked-eye display, but traditional holographic devices have shortcomings. Metasurfaces, composed of subwavelength unit cells, show great potential in manipulating light fields to overcome these drawbacks. Emerging applications of dynamic meta-holography may accelerate the development of light field manipulation and micro/nanofabrication.
OPTO-ELECTRONIC ADVANCES
(2021)
Review
Materials Science, Multidisciplinary
Trevon Badloe et al.
Summary: Metasurfaces in the field of nanophotonics have gained attention due to their sub-wavelength dimensions and lightweight characteristics. Research has focused on developing high-performance metasurfaces with optical properties that outperform conventional optics. The future direction is to develop actively tunable metasurfaces for wider applications.
ADVANCED PHOTONICS RESEARCH
(2021)
Review
Materials Science, Multidisciplinary
Fei Ding et al.
Summary: In recent years, optical metasurfaces have emerged as a new research area with unprecedented capabilities of manipulating light with subwavelength spatial resolutions and revolutionizing conventional bulky optics with compact planar elements. The focus has been on polarization-encoded functional optical metasurfaces, which offer compactness, integration compatibility, and multiple functionalities, covering different polarization states conversion and detection, as well as major achievements in polarization-multiplexing metasurface components.
ADVANCED PHOTONICS RESEARCH
(2021)
Article
Multidisciplinary Sciences
Peixia Zheng et al.
Summary: The research proposes an optical encryption scheme by introducing metasurface-images (meta-images) into the encoding and decoding processes of SPI encryption as the keys. This approach eliminates the conventional digital transmission process of keys in SPI encryption, enabling the reusability of a single metasurface in different encryption processes. It paves the way toward high-security optical encryption between direct and indirect imaging methods.
Article
Optics
Adam Overvig et al.
Summary: This study demonstrates that Fano resonances can be selectively excited in the space-frequency domain, revealing a broader dichroic phenomenon with spin, spatial, and spectral selectivity. The concept is showcased using nonlocal metasurfaces deeply rooted in the symmetry features of quasi-bound states in the continuum.
ADVANCED PHOTONICS
(2021)
Article
Optics
Lin Wu et al.
Summary: Computer-generated holography can achieve arbitrary intensity distributions in space with the wavefront obtained. However, speckle noises continue to be a challenge. A new algorithm for hologram generation and a unique multiplexing scheme using a Fourier lens have been proposed in this work. This technology shows potential for doubling the capacity of current holographic systems and offers various interesting display applications.
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ADVANCED MATERIALS
(2020)
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Shuqi Chen et al.
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(2020)
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Ke Chen et al.
ADVANCED MATERIALS
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Nanoscience & Nanotechnology
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Yueqiang Hu et al.
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Jung-Min Oh et al.
NATURE COMMUNICATIONS
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Jianxiong Li et al.
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Hongqiang Zhou et al.
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Zi-Lan Deng et al.
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(2020)
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Longqing Cong et al.
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(2020)
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Xuhao Luo et al.
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(2020)
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Enliang Wang et al.
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(2020)
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Optics
Zejie Yu et al.
LIGHT-SCIENCE & APPLICATIONS
(2020)
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Fei Zhang et al.
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Haoran Ren et al.
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Jian Wei You et al.
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Nanoscience & Nanotechnology
Hamid Rajabalipanah et al.
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Nanoscience & Nanotechnology
Yueqiang Hu et al.
Review
Nanoscience & Nanotechnology
Wei Ting Chen et al.
NATURE REVIEWS MATERIALS
(2020)
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Zhujun Shi et al.
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Jaehyuck Jang et al.
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Fei Zhang et al.
ADVANCED MATERIALS
(2020)
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Optics
Fei Ding et al.
LASER & PHOTONICS REVIEWS
(2020)
Review
Optics
Mahmoud M. R. Elsawy et al.
LASER & PHOTONICS REVIEWS
(2020)
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Nanoscience & Nanotechnology
Haoran Ren et al.
NATURE NANOTECHNOLOGY
(2020)
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Kai Ou et al.
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Physics, Multidisciplinary
Qingbin Fan et al.
PHYSICAL REVIEW LETTERS
(2020)
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Hailong Liu et al.
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Xin Liu et al.
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Inki Kim et al.
ADVANCED MATERIALS
(2020)
Review
Optics
Ruizhe Zhao et al.
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Engineering, Electrical & Electronic
Xin Ge Zhang et al.
NATURE ELECTRONICS
(2020)
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Ping Yu et al.
Review
Multidisciplinary Sciences
Amr M. Shaltout et al.
Review
Materials Science, Multidisciplinary
Lei Kang et al.
ADVANCED OPTICAL MATERIALS
(2019)
Article
Materials Science, Multidisciplinary
Xingbo Liu et al.
ADVANCED OPTICAL MATERIALS
(2019)
Article
Optics
Thaibao Phan et al.
LIGHT-SCIENCE & APPLICATIONS
(2019)
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Multidisciplinary Sciences
Shi-Qiang Li et al.
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Multidisciplinary Sciences
Noah A. Rubin et al.
Article
Optics
Xueqian Zhang et al.
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Chemistry, Multidisciplinary
Qunshuo Wei et al.
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Zhongwei Jin et al.
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Tong Cui et al.
ADVANCED FUNCTIONAL MATERIALS
(2019)
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Fengliang Dong et al.
ADVANCED MATERIALS
(2019)
Review
Optics
Yijie Shen et al.
LIGHT-SCIENCE & APPLICATIONS
(2019)
Article
Optics
Adam C. Overvig et al.
LIGHT-SCIENCE & APPLICATIONS
(2019)
Article
Optics
Yanjun Bao et al.
LIGHT-SCIENCE & APPLICATIONS
(2019)
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Multidisciplinary Sciences
Maksim Kunitski et al.
NATURE COMMUNICATIONS
(2019)
Article
Optics
Jinkang Lim et al.
LIGHT-SCIENCE & APPLICATIONS
(2019)
Article
Multidisciplinary Sciences
Hui Yang et al.
ADVANCED THEORY AND SIMULATIONS
(2019)
Article
Physics, Multidisciplinary
Fan Xu et al.
COMMUNICATIONS PHYSICS
(2019)
Article
Chemistry, Multidisciplinary
Irina Zubritskaya et al.
Article
Chemistry, Multidisciplinary
Carlota Ruiz de Galarreta et al.
ADVANCED FUNCTIONAL MATERIALS
(2018)
Article
Chemistry, Multidisciplinary
Wenwei Liu et al.
ADVANCED MATERIALS
(2018)
Article
Chemistry, Multidisciplinary
Xiaofei Zang et al.
ADVANCED MATERIALS
(2018)
Article
Chemistry, Multidisciplinary
Zi-Lan Deng et al.
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Nanoscience & Nanotechnology
Shuming Wang et al.
NATURE NANOTECHNOLOGY
(2018)
Article
Materials Science, Multidisciplinary
Bo Yang et al.
ADVANCED OPTICAL MATERIALS
(2018)
Article
Optics
Liping Wang et al.
LIGHT-SCIENCE & APPLICATIONS
(2018)
Article
Chemistry, Multidisciplinary
Minkyung Kim et al.
APPLIED SCIENCES-BASEL
(2018)
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Multidisciplinary Sciences
Jianxiong Li et al.
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Multidisciplinary Sciences
Kai Wang et al.
Article
Multidisciplinary Sciences
Tomer Stav et al.
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Multidisciplinary Sciences
Xing Lin et al.
Article
Optics
Hongchen Chu et al.
LIGHT-SCIENCE & APPLICATIONS
(2018)
Article
Optics
Dragomir Neshev et al.
LIGHT-SCIENCE & APPLICATIONS
(2018)
Article
Chemistry, Multidisciplinary
Yanjun Bao et al.
ADVANCED FUNCTIONAL MATERIALS
(2018)
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Lei Jin et al.
Review
Optics
Sean Molesky et al.
Article
Multidisciplinary Sciences
Zhenyu Yang et al.
NATURE COMMUNICATIONS
(2018)
Article
Optics
Jun Yan Dai et al.
LIGHT-SCIENCE & APPLICATIONS
(2018)
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Stephanie C. Malek et al.
Review
Optics
M. Wuttig et al.
Article
Multidisciplinary Sciences
Aaron L. Holsteen et al.
Article
Multidisciplinary Sciences
Robert C. Devlin et al.
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Multidisciplinary Sciences
Atul Bhardwaj et al.
NATURE COMMUNICATIONS
(2017)
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Optics
Bo Wang et al.
Article
Multidisciplinary Sciences
Hong-Chao Liu et al.
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Chemistry, Multidisciplinary
Hao Wang et al.
Article
Optics
Qian Wang et al.
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Chemistry, Multidisciplinary
Yihao Yang et al.
ADVANCED MATERIALS
(2016)
Article
Optics
Cheng Hung Chu et al.
LASER & PHOTONICS REVIEWS
(2016)
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Chemistry, Multidisciplinary
Masashi Miyata et al.
Article
Chemistry, Multidisciplinary
Nima Dabidian et al.
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Chemistry, Multidisciplinary
Yao-Wei Huang et al.
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Chemistry, Multidisciplinary
Bo Wang et al.
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Multidisciplinary Sciences
Mohammadreza Khorasaninejad et al.
Article
Multidisciplinary Sciences
Xiong Li et al.
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Materials Science, Multidisciplinary
Emil Hojlund-Nielsen et al.
ADVANCED MATERIALS TECHNOLOGIES
(2016)
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Nanoscience & Nanotechnology
Guoxing Zheng et al.
NATURE NANOTECHNOLOGY
(2015)
Article
Nanoscience & Nanotechnology
Amir Arbabi et al.
NATURE NANOTECHNOLOGY
(2015)
Article
Materials Science, Multidisciplinary
Y. Hadad et al.
Article
Chemistry, Multidisciplinary
Jeppe S. Clausen et al.
Review
Chemistry, Physical
Nanfang Yu et al.
Review
Optics
Shi Liu et al.
OPTICS AND LASER TECHNOLOGY
(2014)
Article
Multidisciplinary Sciences
B. Sun et al.
Article
Multidisciplinary Sciences
V. I. Belotelov et al.
NATURE COMMUNICATIONS
(2013)
Article
Multidisciplinary Sciences
Z. Fei et al.
Article
Nanoscience & Nanotechnology
Karthik Kumar et al.
NATURE NANOTECHNOLOGY
(2012)
Article
Quantum Science & Technology
Jeffrey H. Shapiro et al.
QUANTUM INFORMATION PROCESSING
(2012)
Article
Multidisciplinary Sciences
Nanfang Yu et al.
Article
Engineering, Electrical & Electronic
Osamu Matoba et al.
PROCEEDINGS OF THE IEEE
(2009)
Article
Optics
G Unnikrishnan et al.