相关参考文献
注意：仅列出部分参考文献，下载原文获取全部文献信息。
Article
Nanoscience & Nanotechnology
Byoungsu Ko et al.
Summary: Researchers have developed active multilevel light absorbers that can be tuned by controlling the external temperature. These absorbers are created using tungsten-doped vanadium dioxide thin films, allowing for large-scale fabrication without the need for additional lithography steps, and offering tunable optical properties.
ACS APPLIED MATERIALS & INTERFACES
(2022)
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
Youngjin Kim et al.
Summary: The metalens combines hyperbolic phase and spiral phase to achieve high-resolution 2D isotropic edge-enhanced imaging with a compact form factor. This technology provides an opportunity for the development of biomedical imaging and analog computing.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Chemistry, Physical
Ali Momeni et al.
Summary: This paper presents reconfigurable graphene-based multilayers for spatiotemporal analog signal and image processing, demonstrating a switchable analog computing paradigm and simultaneous parallel spatiotemporal analog computing. The spatial-and temporal-frequency responses are engineered for integrated functionalities by selecting a proper external voltage for graphene monolayers, showing promising developments in analog computing.
Article
Optics
Junyi Huang et al.
Summary: This paper presents a spatiotemporal differentiator designed with a one-dimensional periodic nanostructure to generate spatiotemporal optical vortices (STOVs) with transverse orbital angular momentum. The differentiator breaks spatial mirror symmetry to create phase singularity in the spatiotemporal domain. Compared to pulse shapers, this device is much more compact and suitable for optical manipulation and detection of pulse envelope changes.
LASER & PHOTONICS REVIEWS
(2022)
Article
Physics, Multidisciplinary
Heedong Goh et al.
Summary: This research demonstrates how a compact scatterer with nonlocal response can be engineered to perform specific mathematical operations on arbitrary input waves, and even solve integro-differential equations. The lack of strongly resonant phenomena in this approach makes the response more robust, and the compact nature facilitates scalability and cascading of these processes.
PHYSICAL REVIEW LETTERS
(2022)
Review
Optics
Hailong Zhou et al.
Summary: Photonic matrix multiplication is a crucial part of information processing in science and technology, offering faster and more efficient computations in the optical domain. Recent research has shown its potential for applications in telecommunications and artificial intelligence that are beyond the capabilities of conventional processors.
LIGHT-SCIENCE & APPLICATIONS
(2022)
Review
Nanoscience & Nanotechnology
Kang Du et al.
Summary: This article reviews the latest research progress in multifunctional and tunable metasurfaces. It introduces the evolution of metasurfaces, the concepts and design methods of multifunctional metasurfaces, and discusses how to realize metasurfaces with both multifunctionality and tunability. Additionally, various future research directions and applications of metasurfaces are also foreseen.
Article
Nanoscience & Nanotechnology
Minkyung Kim et al.
Summary: In this study, an explicit analytic formula for the spin Hall shift under arbitrarily polarized incidence is derived, and it is demonstrated that the spin Hall shift can be enhanced by using polarization degree of freedom. This analytic formula helps us understand the spin Hall effect under general polarization and achieve unprecedented modulation.
Article
Physics, Applied
Olivia Y. Long et al.
Summary: Flat optics has made significant progress in miniaturizing conventional optical elements due to recent developments in metasurface design. This study introduces a polarization-independent metasurface structure by designing guided resonances with degenerate band curvatures in a photonic crystal slab. The device can perform both free-space compression and spatial differentiation at different frequencies when operated at normal incidence.
PHYSICAL REVIEW APPLIED
(2022)
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
Weibin Feng et al.
Summary: Chromatic aberration is a challenge for metalenses, but multiwavelength achromatic metalenses can overcome limitations and extend applications. A 1 mm diameter red-green-blue achromatic metalens doublet with a designed NA of 0.8 was successfully applied in a digital imaging system, showcasing its potential.
Article
Physics, Multidisciplinary
Jiawei Liu et al.
Summary: By solving Maxwell's equations, we discovered a relationship between the cross-polarized component and the copolarized component of the dipole scattering field. This discovery has allowed for the development of a nondestructive imaging technique that can visualize the structure of pure-phase objects at low photon levels without damaging living cells. By using polarization entanglement, the switch between dark-field imaging and bright-field imaging can be remotely controlled.
PHYSICAL REVIEW LETTERS
(2022)
Article
Multidisciplinary Sciences
Minkyung Kim et al.
Summary: This paper proposes and experimentally demonstrates a method to achieve high-efficiency large splitting effect in optical wavelength. By using a dielectric metasurface to modulate the complex transmission, shifts up to ten wavelengths and efficiencies over 70% are achieved.
NATURE COMMUNICATIONS
(2022)
Article
Multidisciplinary Sciences
Jerome Sol et al.
Summary: This study presents a novel approach in wave-based signal differentiation by perturbing overmoded random scattering systems to precisely locate the zeros of their scattering matrices at desired frequencies. The technique overcomes limitations of existing approaches and demonstrates high fidelity and adaptability in experimental demonstrations.
NATURE COMMUNICATIONS
(2022)
Article
Multidisciplinary Sciences
Zhuochao Wang et al.
Summary: The authors propose a Fourier-based metaprocessor that uses complex wavefront modulation in spatial Fourier domain to perform basic mathematical operations for analog computing. This metaprocessor has the advantages of being ultracompact and powerful, making it suitable for applications in optical analog computing and image processing.
NATURE COMMUNICATIONS
(2022)
Article
Materials Science, Multidisciplinary
Robert E. Simpson et al.
Summary: The objective of this Opinion is to stimulate new research into materials that can meet the needs of tomorrow's programmable photonics components. Herein, we argue that the common telluride phase change materials, which have been successfully applied in data technologies, are unsuitable for most emerging programmable photonics applications. We believe that newer phase change materials with wider bandgaps, such as Sb2S3, Sb2Se3, and Ge2Sb2Se4Te (GSST), can be optimized to meet the demands of holographic displays, optical neural network memories, and beam steering devices.
OPTICAL MATERIALS EXPRESS
(2022)
Article
Materials Science, Multidisciplinary
Qunshuo Wei et al.
Summary: Optical metasurfaces have extraordinary wavefront modulation ability and numerous degrees of freedom (DOFs). To explore the multiplexing dimensions and applications of metasurfaces, multilayer and cascaded metasurfaces are proposed. The rotational multiplexing method is introduced by using in-plane rotation between two cascaded metasurfaces as an additional design DOF.
ADVANCED OPTICAL MATERIALS
(2022)
Article
Materials Science, Multidisciplinary
Deniz Mengu et al.
Summary: This article demonstrates a diffractive QPI network that can achieve all-optical phase recovery. The quantitative phase image of an object is synthesized by converting the input phase information into intensity variations at the output plane. This network can potentially replace traditional QPI systems and alleviate the computational burden, leading to efficient, high frame-rate, and compact phase imaging systems.
ADVANCED OPTICAL MATERIALS
(2022)
Article
Optics
Xuhao Luo et al.
Summary: Replacing electrons with photons is a promising approach for high-speed, massively parallel, and low-power artificial intelligence computing. Researchers have demonstrated a multiskilled diffractive neural network based on a metasurface device, capable of on-chip multi-channel sensing and multitasking.
LIGHT-SCIENCE & APPLICATIONS
(2022)
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
Optics
Weiwei Fu et al.
Summary: The study introduces an all-optical convolutional computing method utilizing a metasurface imager to modify kernel functions unlimitedly, enriching the toolkit of all-optical computing. This approach bridges multi-functionality and high-integration in all-optical convolutions.
LIGHT-SCIENCE & APPLICATIONS
(2022)
Article
Nanoscience & Nanotechnology
Ting Yu Teo et al.
Summary: The study demonstrated a passive all-chalcogenide all-optical perceptron scheme utilizing the nonlinear response of Ge2Sb2Te5 to femtosecond laser pulses. By testing different laser excitations, the designed NLAF showed a sigmoidal response with a dynamic range of -9.7 dB. The perceptron efficiently dissipated heat using AlN material and set nonvolatile weights through Sb2S3-tuned MZIs, achieving energy-efficient all-optical neural classifications at rates greater than 1 GHz.
Article
Chemistry, Multidisciplinary
Junxiao Zhou et al.
Summary: In this study, a single metalens with an illumination intensity dependent coherent transfer function (CTF) is proposed, which enables varying computed imaging without requiring additional optical components. This metalens may have important applications in optical neural networks and parallel analog computing.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Physics, Applied
Dingyu Xu et al.
Summary: This paper proposes a method for inverse design of Pancharatnam-Berry phase metasurfaces based on specified optical computing, which is then applied to optical analog computing and all-optical image edge detection.
APPLIED PHYSICS LETTERS
(2022)
Review
Chemistry, Multidisciplinary
Mu Ku Chen et al.
Summary: This review provides an overview of the applications of artificial intelligence in optics and meta-optics. It discusses the synergy between AI and meta-optics, and suggests future directions for development.
Article
Optics
Geyang Qu et al.
Summary: This study proposes a single metasurface-based optical-electronic hybrid neural network, which significantly increases the neural network capacity and classification accuracy by combining nonlocal neural layer and nonlinear transformation.
LASER & PHOTONICS REVIEWS
(2022)
Article
Optics
Joohoon Kim et al.
Summary: This study demonstrates a high-efficiency hologram fabrication method using nanomanufacturing techniques, showing record high theoretical efficiency at a single wavelength and high efficiency over a broad wavelength range. The method offers high throughput and low cost, which could accelerate the practical application of metasurface holography.
LASER & PHOTONICS REVIEWS
(2022)
Article
Optics
Jiaqi Zhang et al.
Summary: In this paper, we propose a polarized optical deep diffractive neural network based on the concept of dielectric rectangular microstructure meta-material, which is optimized for sorting, generating, multiplexing, and de-multiplexing polarized OAM beams. Simulation results demonstrate the network's capability to handle various types of OAM beams and its potential for a wide range of applications.
Article
Materials Science, Multidisciplinary
Ze Gu et al.
Summary: This article proposes a programmable metasurface imager that utilizes scattering patterns to intelligently adapt to different datasets, resulting in increased accuracy rate and reduced imaging error. The resolution to distinguish strip patterns is demonstrated to exceed one-fifth of the equivalent wavelength on the target plane.
ADVANCED OPTICAL MATERIALS
(2022)
Article
Multidisciplinary Sciences
Hao Li et al.
Summary: This article introduces an analog calculus framework based on an epsilon-near-zero metamaterial processing unit (ENZ-MPU), which performs differentiation and integration on analog signals. By generating desired dispersions of ENZ metamaterials with photonic doping, extreme miniaturization at the subwavelength scale is achieved. The proposed ENZ-MPU shows a theoretically analyzed computing density of several tera-operations per second and square micrometer.
Article
Multidisciplinary Sciences
Ruisi Wang et al.
Summary: In this study, we propose a method of using computing metasurfaces for chiral edge sensing, incorporating a weak-value amplification technique. Experimental results demonstrate that high-contrast recognition of chirality can be achieved through edge detection, which may have potential applications in real-time measurement and separation of chiral enantiomers.
Article
Multidisciplinary Sciences
Xudong Zhang et al.
Summary: Ultracompact sources of circularly polarized light are important for both classical and quantum optical information processing. The efficient and controllable emission of circularly polarized light from resonant metasurfaces using the physics of chiral quasi-bound states in the continuum has been demonstrated, promising multiple applications in nanophotonics and quantum optics.
Article
Chemistry, Multidisciplinary
Lei Chen et al.
Summary: This paper introduces a touch-programmable metasurface (TPM) based on touch sensing modules, which can achieve various electromagnetic (EM) manipulations and encryptions by touch controls. The TPM simplifies the coding regulation process and provides a new interaction manner, enabling independent and direct manipulations of meta-units and efficient inputs of coding patterns. The feasibility of the TPM design is verified through various coding patterns, demonstrating its wide application prospects.
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
Sanaz Zarei et al.
Summary: Optical computing is a promising strategy to overcome the limitations of electronic devices, and a multi-functional optical logic gate based on diffractive optical neural network is proposed here. It can perform various logic operations quickly and operate at multiple wavelengths, providing a new path for high-speed nanophotonic processors in future optical computing applications.
SCIENTIFIC REPORTS
(2022)
Article
Optics
Dimitrios C. Tzarouchis et al.
Summary: Performing analog computations with metastructures is an emerging wave-based paradigm for solving mathematical problems. In this article, we report the theory and design of wave-based metastructures using tunable elements capable of solving integral/differential equations in a fully-reconfigurable fashion, as well as implementing generalized matrix inversions.
LIGHT-SCIENCE & APPLICATIONS
(2022)
Article
Optics
Jun Chen Ke et al.
Summary: The rapid development of space-time-coding metasurfaces (STCMs) offers a new avenue to manipulate spatial electromagnetic beams, waveforms, and frequency spectra simultaneously with high efficiency. This study proposes a theoretical framework and method to generate frequency-modulated continuous waves (FMCWs) and control their spatial propagation behaviors simultaneously via a novel STCM with nonlinearly periodic phases. The experimental results show good agreement with the theoretical analyses.
LIGHT-SCIENCE & APPLICATIONS
(2022)
Article
Nanoscience & Nanotechnology
Sanghoon Kim et al.
Summary: Polarization-sensitive dichroic responses in both visible and near-infrared wavelengths are realized over a centimeter-scale large area using stacked split-ring resonators (SSRR) arrays. These arrays are derived from pagoda-like nanorods fabricated from the self-assembly of a lamellae-forming polystyrene-b-poly (methyl methacrylate) copolymer (PS-b-PMMA) confined in cylindrical pores of anodized aluminum oxide (AAO) template. The sophisticated nanoscale architectures achieved through bottom-up fabrication can be applied to structural color, optical anti-counterfeiting, and commercial optical components.
Review
Nanoscience & Nanotechnology
Zi Wang et al.
Summary: This article reviews an alternative method of defining light flow in integrated photonic circuits using subwavelength meta-atoms or metalines. The role of metasurfaces in integrated photonic signal processing systems and the design principles of such systems are discussed.
Review
Optics
Lianlin Li et al.
Summary: Controlling electromagnetic waves and information simultaneously using information metasurfaces is crucial in modern society. Intelligent metasurfaces combine engineered ultrathin structures with active devices and algorithms to manipulate wave-information-matter interactions without manual intervention. This review discusses the recent progress and applications of intelligent metasurfaces in wireless communication architectures and wave-based computing, as well as highlights the challenges and potential routes for further development.
Review
Nanoscience & Nanotechnology
Shanshan He et al.
Summary: Computing metasurfaces are two-dimensional artificial nanostructures that can perform mathematical operations on the input electromagnetic field. They have exceptional abilities for all-optical image processing and have promising applications in edge-enhanced imaging, microscopy imaging, and quantum imaging.
Article
Materials Science, Multidisciplinary
Brian O. Raeker et al.
Summary: This paper describes the high-efficiency independent manipulation of the amplitude and phase of a beam using two lossless phase-only metasurfaces. Optical components and complex 3D holograms are experimentally demonstrated. The compound meta-optic platform exhibits a high overall efficiency.
ADVANCED PHOTONICS RESEARCH
(2022)
Review
Physics, Applied
Emanuele Pelucchi et al.
Summary: Photonics plays a crucial role in emerging quantum technologies, with its full potential being realized through miniaturization via on-chip integration. Integrated quantum photonics leverages classical integrated photonic technologies for quantum applications and focuses on developing quantum photonic integrated circuits. The Roadmap highlights the value that integrated photonics brings to quantum technologies through specific examples.
NATURE REVIEWS PHYSICS
(2022)
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)
Article
Nanoscience & Nanotechnology
Junghyun Park et al.
Summary: Spatial light modulators are essential for regulating the amplitude, phase, and polarization of light, while static and active metasurfaces serve as alternatives for miniaturized optical components. A new all-solid-state, electrically tunable, and reflective metasurface array has been developed to generate specific or continuous phase modulation with independent amplitude adjustment. This design includes individually addressable nanoresonators with two independent control parameters for adjusting the reflection coefficient in each nanoresonator.
NATURE NANOTECHNOLOGY
(2021)
Review
Optics
Wei Ma et al.
Summary: Innovative approaches and tools, particularly deep learning, are shaping the field of photonics by offering efficient means to design photonic structures and providing data-driven solutions complementary to traditional physics-based methods. The progress in deep-learning-based photonic design is promising, with various model architectures showing potential applications in specific photonic tasks.
Review
Nanoscience & Nanotechnology
Shuyan Zhang et al.
Summary: Metasurfaces, as a cutting-edge nanophotonics concept, have demonstrated great potential in biomedical engineering for various bioimaging and biosensing applications. This review article covers the state of the art of metasurface technology in biomedical applications and provides insights into both challenges and opportunities in this field.
Review
Nanoscience & Nanotechnology
Farzad Zangeneh-Nejad et al.
Summary: Metamaterials provide a platform for ultra-fast computational tasks using optical signals, with wave-based analogue computing systems offering faster speeds and lower power consumption compared to digital processors. Novel schemes based on metamaterials promise a new generation of ultra-fast and efficient computing hardware for applications like image processing and machine learning.
NATURE REVIEWS MATERIALS
(2021)
Article
Chemistry, Multidisciplinary
Gwanho Yoon et al.
Summary: Printable metalenses made of a silicon nanocomposite offer high refractive index and thermal stability, suitable for intricate nanofabrication and rapid large-scale manufacturing. By optimizing the composition of the nanocomposite, the focusing efficiency of the metalenses can be further increased.
Article
Chemistry, Physical
Soo-Jung Kim et al.
Summary: Artificial structural color generation using asymmetric Fabry-Pe acute accent rot (F-P) cavity-based absorbers is a promising technique for producing ink-free color applications. A new active metamaterial-based F-P absorber has been developed, which allows for dynamically tunable optical responses with temperature changes. The absorbers demonstrate enhanced reflective color purity due to closely-coupled silver nanoparticles and can dynamically modulate color images through temperature variations, showing potential for designing thermo-optical devices operating in the visible wavelength.
APPLIED SURFACE SCIENCE
(2021)
Article
Multidisciplinary Sciences
H. Zhang et al.
Summary: Complex-valued neural networks have advantages over real-valued networks, but optical computing platforms have not fully utilized these benefits. This study introduces an optical neural chip that implements complex-valued operations and demonstrates superior performance compared to its real-valued counterpart in various tasks.
NATURE COMMUNICATIONS
(2021)
Article
Physics, Applied
Zebin Huang et al.
Summary: By utilizing diffractive deep neural networks and the multiple-light-field-modulation capability, it is possible to achieve all-optical signal processing of vortex beams and successfully complete various communication tasks.
PHYSICAL REVIEW APPLIED
(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
Younghwan Yang et al.
Summary: The high refractive index of hydrogenated amorphous silicon (a-Si:H) at optical frequencies is important for modulating light, but its high extinction coefficient has limited its widespread use. By adjusting chemical deposition conditions to control hydrogenation and silicon disorder, a low-loss a-Si:H material has been developed with an extinction coefficient as low as 0.082 at 450 nm. This material shows promise for efficient photonic operation in the visible spectrum and has been validated through beam-steering metasurfaces with measured efficiencies up to 75%.
ADVANCED MATERIALS
(2021)
Article
Chemistry, Multidisciplinary
Xiaomeng Zhang et al.
Summary: The research demonstrates a reconfigurable metasurface that can be dynamically tuned to provide a range of processing modalities including bright-field imaging, low-pass and high-pass filtering, and second-order differentiation. This dynamically tunable metasurface can be directly combined with standard coherent imaging systems, operating with a high numerical aperture and wide bandwidth.
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.
Review
Optics
Bhavin J. Shastri et al.
Summary: Research in photonic computing is thriving due to the proliferation of optoelectronic components in photonic integration platforms. Photonic integrated circuits have enabled ultrafast artificial neural networks, with algorithms running on such hardware having the potential to address the growing demand for machine learning and artificial intelligence. Neuromorphic photonics offers sub-nanosecond latencies, providing a complementary opportunity to extend the domain of artificial intelligence.
Article
Physics, Multidisciplinary
Adam Overvig et al.
Summary: The study introduces quasi-bound states in the continuum (QBICs) born of chiral perturbations, encoding arbitrary elliptical polarization states and enabling geometric phase engineering. Metasurfaces with ultrasharp spectral features are designed as a result, shaping impinging wave fronts with near-unity efficiency. The findings extend Fano resonances beyond their conventional limits, opening opportunities for nanophotonics, classical and quantum optics, and acoustics.
PHYSICAL REVIEW LETTERS
(2021)
Article
Multidisciplinary Sciences
Miguel Camacho et al.
Summary: This research explores the use of a transmissive cavity with a tailored dielectric distribution and multi-frequency feedback loop to calculate solutions for multiple mathematical problems simultaneously. By demonstrating the linearity of the wave equation, the study shows the ability to solve multiple independent mathematical problems within the same device.
NATURE COMMUNICATIONS
(2021)
Article
Multidisciplinary Sciences
Tengfeng Zhu et al.
Summary: Spatial differentiation, a form of optical computation, has applications in image processing. The authors utilize nontrivial topological charges in the transfer function to achieve broadband isotropic two-dimensional differentiation.
NATURE COMMUNICATIONS
(2021)
Article
Optics
Onur Kulce et al.
Summary: The precise engineering of materials and surfaces has led to exciting advances in optics and photonics, allowing for the design of trainable surfaces for computation and machine-learning tasks through light-matter interactions. Deeper diffractive networks composed of larger numbers of trainable surfaces exhibit superior performance in terms of statistical inference, learning, and generalization capabilities for various image classification tasks.
LIGHT-SCIENCE & APPLICATIONS
(2021)
Article
Optics
Wenjin Xue et al.
Summary: Efforts have been made to design nanophotonic structures that process images at the speed of light. Multilayer optical interference coatings have been shown to achieve visible-frequency edge detection with high numerical aperture, two-dimensional image formation, and straightforward fabrication techniques. This approach offers unique advantages over other nanophotonic methods in terms of edge detection and image formation.
Article
Nanoscience & Nanotechnology
Andrei Komar et al.
Summary: The study presents an optical image processing technique for edge detection using the angular selectivity of a hexagonal symmetric Mie-resonant dielectric metasurface. It demonstrates that magnetic resonance provides better edge detection and the technique is polarization independent. This research sheds light on the underlying mechanisms of edge detection with resonant dielectric metasurfaces, offering new opportunities for ultracompact optical image processing devices with various applications in vision and microscopy.
Article
Optics
Albert Ryou et al.
Summary: This study introduces a free-space optical ANN with linear weight summation and nonlinear activation enabled by saturable absorption of thermal atoms, achieving successful image classification of handwritten digits with a significant improvement in classification accuracy compared to linear models.
PHOTONICS RESEARCH
(2021)
Review
Nanoscience & Nanotechnology
Inki Kim et al.
Summary: This review discusses the technological challenges of applying nanophotonics in LiDAR, the basic principles of LiDAR and overcoming hardware limitations, the characteristics of nanophotonic platforms, and the future trends in integrating nanophotonic technologies into commercially viable, fast, ultrathin, and lightweight LiDAR systems.
NATURE NANOTECHNOLOGY
(2021)
Article
Nanoscience & Nanotechnology
Yifei Zhang et al.
Summary: Utilizing Ge2Sb2Se4Te phase-change material, an electrically reconfigurable optical metasurface with half an octave spectral tuning range and over 400% optical contrast has been achieved. Additionally, a polarization-insensitive phase-gradient metasurface has been prototyped for dynamic optical beam steering applications.
NATURE NANOTECHNOLOGY
(2021)
Article
Optics
Tiankuang Zhou et al.
Summary: Researchers propose a reconfigurable diffractive processing unit based on the diffraction of light, which supports different neural networks and achieves high model complexity with millions of neurons. By developing an adaptive training approach to overcome system errors, they achieve excellent experimental accuracies for high-speed image and video recognition.
Article
Optics
Lukas Wesemann et al.
Summary: The research demonstrates a novel nanostructured coverslip that converts phase information to high-contrast intensity images, enabling real-time visualisation of transparent objects. By placing unstained human cancer cells on the device, the internal structure within the cells can be clearly seen. The study shows the significant potential of nanophotonic devices for integration into compact imaging and medical diagnostic devices.
LIGHT-SCIENCE & APPLICATIONS
(2021)
Article
Materials Science, Multidisciplinary
Hamid Rajabalipanah et al.
Review
Chemistry, Multidisciplinary
Byoungsu Ko et al.
Summary: Phase-change materials (PCMs) such as vanadium dioxide (VO2) have attracted attention for their optical properties and are currently a widely researched trend in photonic applications, aiming to be applied in various fields such as color filters and smart windows.
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.
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
Minkyung Kim et al.
Summary: This study proves that the spin Hall effect of light is independent of incident polarization and symmetrical in shift when the two linear polarization states have the same Fresnel coefficients. Under unpolarized incidence, the reflected beam is split into two circularly polarized components that undergo the same amount of splitting in opposite directions.
LASER & PHOTONICS REVIEWS
(2021)
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
Optics
Yong-Liang Xiao et al.
Summary: Unitary learning is a backpropagation method used in updating unitary weights in fully connected deep complex-valued neural networks. However, the square matrix characteristic of unitary weights leads to small-sample training, resulting in networks with poor generalization capability. To address this issue, optical random phase dropout is introduced, enhancing generalization through the use of random phases in dropout positions.
Article
Multidisciplinary Sciences
Mudassar Nauman et al.
Summary: Researchers have successfully demonstrated enhanced single-beam second- and third-harmonic generation in a metasurface made of crystalline transition-metal-dichalcogenide material, offering the highest refractive index. The resonances of the metasurface allow for tuning of the unidirectional second-harmonic radiation in a forward or backward direction, presenting new opportunities for metasurface-based nonlinear light sources.
NATURE COMMUNICATIONS
(2021)
Article
Multidisciplinary Sciences
Inki Kim et al.
Summary: The authors introduced a bi-functional metasurface that combines structural color printing and polarization encoded vectorial holography, showcasing an electrically tunable optical security platform for advanced encryption applications. This metasurface offers versatile polarization control with eight channels, where structural color prints are observed under white light and polarization encoded holograms are reconstructed under laser illumination. A proof-of-concept electrically tunable optical security platform, doubly encrypted for security and anticounterfeiting applications, is developed incorporating liquid crystals.
NATURE COMMUNICATIONS
(2021)
Article
Materials Science, Multidisciplinary
Sunae So et al.
Summary: The inverse design of thermal emitters using artificial neural networks has shown to be effective in achieving high efficiency and enhancing performance of photonic devices. This design approach can be applied to practical applications such as thermophotovoltaics, IR sensing and imaging, and infrared heating to utilize sustainable energy sources effectively.
OPTICAL MATERIALS EXPRESS
(2021)
Editorial Material
Optics
Jaehyuck Jang et al.
Summary: The multiple degrees of freedom of light, including amplitude, phase, polarization, and orbital angular momentum, make it an excellent candidate for optical security and encryption. By utilizing the unique characteristics of metasurfaces, exciting new optical security platforms have been demonstrated.
LIGHT-SCIENCE & APPLICATIONS
(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.
Review
Physics, Applied
Lukas Wesemann et al.
Summary: All-optical spatial frequency filtering, with a long history, is now often replaced with digital alternatives. Optical methods minimize energy requirements and allow for real-time image manipulation, but are relatively bulky. Nanophotonic approaches are gaining interest in enhancing images, with metasurfaces and thin film devices seen as potential for ultra-compact image processing in the future.
APPLIED PHYSICS REVIEWS
(2021)
Review
Chemistry, Multidisciplinary
Junwei Cheng et al.
Summary: Optical computing offers high-speed parallel information processing with low energy consumption for emerging AI applications. This review introduces photonic matrix computing and optical neural networks, discusses advantages and challenges of optical computing, and highlights promising prospects for future development.
Article
Nanoscience & Nanotechnology
Mu Ku Chen et al.
Summary: The article introduces an imaging system for light-field edge detection based on a gallium nitride achromatic meta-lens array, capable of one-dimensional to three-dimensional edge detection. With 60x60 achromatic meta-lenses operating in the visible range, the system captures and computes all light field information, providing focused edge images with depth estimation through image rendering. The multidimensional edge detection system offers advantages such as broadband detection and device miniaturization, showing potential applications in biological diagnosis and robotic vision.
Article
Nanoscience & Nanotechnology
Julius Kuehne et al.
Summary: The study introduces a combined numerical/experimental methodology to predict how unavoidable tolerances in nanofabrication affect the performance of different BIC metasurface designs.
Article
Chemistry, Multidisciplinary
Trevon Badloe et al.
Summary: Researchers demonstrated an electrically controllable bifocal metalens at visible wavelengths, with liquid crystals for actively manipulating the focal length. The metalens showed highly efficient focusing performance with a measured focusing efficiency of around 44%, and could switch focus between two designed focal planes through electrical modulation.
Article
Optics
Danping Pan et al.
Summary: This study introduces a Laplace metasurface capable of performing Laplace operation on light field patterns, achieving high resolution and nearly perfect isotropic second-order differentiation. Numerical validation confirms the effectiveness of the Laplace metasurface, and demonstrates its application in image processing.
PHOTONICS RESEARCH
(2021)
Review
Optics
Ning Wang et al.
Summary: Applying intelligent algorithms to conceive nanoscale meta-devices has become a flourishing and highly active scientific topic. The use of artificial intelligence in accelerating the prototyping of photonic layouts with enhanced performance is at the forefront of this field, showing a trend towards inverse creation of novel designs. By discussing algorithm-assisted nanophotonic designs, mutual benefits between the fields of AI and photonics can be examined.
Review
Nanoscience & Nanotechnology
Luca Carletti et al.
Summary: Optically resonant dielectric and semiconductor metasurfaces are promising areas of research in nanophotonics and light-matter interaction, with recent focus on active tuning of linear response and nonlinear effects. Dynamic nonlinear metasurfaces based on these materials could potentially meet the demand for integrated on-chip components with essential functionalities.
Article
Nanoscience & Nanotechnology
Shereena Joseph et al.
Summary: The evolution of BIC modes spans various symmetrical and functional mediums, with applications covering pure dielectric and lossy plasmonic BICs. Engineered functional materials combined with pure dielectric mediums provide a promising approach for hybrid-quasi-BIC modes. Additionally, discussions on applications of BIC modes in nonlinear harmonic generation, sensing, imaging, lasing, nanocavities, communication, and photodetection have been explored.
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
Engineering, Electrical & Electronic
Dong Kyo Oh et al.
Summary: Metasurfaces are composed of periodic sub-wavelength nanostructures with unique optical properties. Mechanical nanopatterning processes, particularly nanoimprint lithography (NIL), have been actively studied to overcome the high fabrication cost and low productivity of traditional methods, leading to explosive development in metasurface fabrication.
FRONTIERS OF OPTOELECTRONICS
(2021)
Review
Optics
Jia Liu et al.
Summary: With the rise of the big data era, artificial intelligence has been widely utilized in various fields, with a growing focus on optical neural networks which leverage light's parallel processing abilities to address issues encountered with electronic neural networks. This area of research has made significant progress and now stands at the forefront of global advancements in artificial intelligence.
Article
Optics
Hyounghan Kwon et al.
Article
Chemistry, Multidisciplinary
Chen Zhang et al.
Article
Chemistry, Multidisciplinary
Joo Hwan Ko et al.
ADVANCED FUNCTIONAL MATERIALS
(2020)
Article
Chemistry, Multidisciplinary
Zhaocheng Liu et al.
ADVANCED MATERIALS
(2020)
Article
Engineering, Electrical & Electronic
Deniz Mengu et al.
IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS
(2020)
Article
Optics
Yunshan Jiang et al.
Article
Optics
You Zhou et al.
Article
Optics
Lei Wan et al.
Article
Physics, Multidisciplinary
Lei Bao et al.
ANNALEN DER PHYSIK
(2020)
Article
Nanoscience & Nanotechnology
Haiwen Wang et al.
Article
Multidisciplinary Sciences
Zhoufeng Ying et al.
NATURE COMMUNICATIONS
(2020)
Article
Multidisciplinary Sciences
Gwanho Yoon et al.
NATURE COMMUNICATIONS
(2020)
Article
Multidisciplinary Sciences
Trevon Badloe et al.
SCIENTIFIC REPORTS
(2020)
Article
Optics
Chao Qian et al.
LIGHT-SCIENCE & APPLICATIONS
(2020)
Article
Multidisciplinary Sciences
Haoran Ren et al.
Article
Chemistry, Multidisciplinary
Pengcheng Huo et al.
Article
Optics
Chao Qian et al.
Article
Optics
Hongkun Dou et al.
Article
Nanoscience & Nanotechnology
Hoyeong Kwon et al.
Article
Optics
Baurzhan Muminov et al.
Article
Optics
Chengquan Mi et al.
Article
Multidisciplinary Sciences
Mingsong Wang et al.
NATURE COMMUNICATIONS
(2020)
Review
Nanoscience & Nanotechnology
Sajjad Abdollahramezani et al.
Review
Multidisciplinary Sciences
Gordon Wetzstein et al.
Summary: Artificial intelligence tasks require accelerators for fast and low-power execution. While general-purpose optical computing systems have not matured into a practical technology, recent research shows promise for optical computing in artificial intelligence applications, particularly for visual computing. The potential and challenges of all-optical and hybrid optical networks are discussed in this Perspective.
Article
Optics
Cheng Chen et al.
Article
Optics
Dingyu Xu et al.
Article
Multidisciplinary Sciences
Jingkai Weng et al.
NATURE COMMUNICATIONS
(2020)
Article
Physics, Applied
Junyi Huang et al.
PHYSICAL REVIEW APPLIED
(2020)
Article
Optics
Tengfeng Zhu et al.
ADVANCED PHOTONICS
(2020)
Article
Materials Science, Multidisciplinary
Adam C. Overvig et al.
Article
Chemistry, Physical
Trevon Badloe et al.
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
(2020)
Review
Nanoscience & Nanotechnology
Sunae So et al.
Article
Multidisciplinary Sciences
Nasim Mohammadi Estakhri et al.
Article
Multidisciplinary Sciences
Lianlin Li et al.
NATURE COMMUNICATIONS
(2019)
Article
Physics, Applied
Tengfeng Zhu et al.
PHYSICAL REVIEW APPLIED
(2019)
Article
Multidisciplinary Sciences
Junxiao Zhou et al.
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
(2019)
Article
Optics
Thaibao Phan et al.
LIGHT-SCIENCE & APPLICATIONS
(2019)
Article
Nanoscience & Nanotechnology
Kwan Kim et al.
ACS APPLIED MATERIALS & INTERFACES
(2019)
Article
Multidisciplinary Sciences
Shi-Qiang Li et al.
Article
Multidisciplinary Sciences
Keiichiro Toda et al.
SCIENTIFIC REPORTS
(2019)
Article
Optics
You Zhou et al.
LIGHT-SCIENCE & APPLICATIONS
(2019)
Article
Optics
Ying Zuo et al.
Article
Optics
Lukas Wesemann et al.
Article
Chemistry, Multidisciplinary
Andrea Cordaro et al.
Article
Optics
Lianlin Li et al.
LIGHT-SCIENCE & APPLICATIONS
(2019)
Article
Nanoscience & Nanotechnology
Peter R. Wiecha et al.
NATURE NANOTECHNOLOGY
(2019)
Article
Multidisciplinary Sciences
Tyler W. Hughes et al.
Article
Optics
Shimon Rubin et al.
ADVANCED PHOTONICS
(2019)
Article
Nanoscience & Nanotechnology
Sunae So et al.
Review
Optics
Wim Bogaerts et al.
LASER & PHOTONICS REVIEWS
(2018)
Article
Materials Science, Multidisciplinary
Alexander Krasnok et al.
Editorial Material
Optics
[Anonymous]
Article
Optics
Yongsop Hwang et al.
Article
Optics
Dmitry A. Bykov et al.
Article
Materials Science, Multidisciplinary
Tun Cao et al.
ADVANCED OPTICAL MATERIALS
(2018)
Article
Optics
Yurui Qu et al.
LIGHT-SCIENCE & APPLICATIONS
(2018)
Article
Optics
J. Bueno et al.
Article
Optics
Cheng Guo et al.
Article
Multidisciplinary Sciences
Alan She et al.
Article
Multidisciplinary Sciences
Amir H. Atabaki et al.
Article
Multidisciplinary Sciences
Xing Lin et al.
Article
Optics
Zile Li et al.
LIGHT-SCIENCE & APPLICATIONS
(2018)
Article
Chemistry, Multidisciplinary
You Zhou et al.
Article
Physics, Multidisciplinary
Hoyeong Kwon et al.
PHYSICAL REVIEW LETTERS
(2018)
Article
Multidisciplinary Sciences
Lei Zhang et al.
NATURE COMMUNICATIONS
(2018)
Article
Materials Science, Multidisciplinary
Mario Miscuglio et al.
OPTICAL MATERIALS EXPRESS
(2018)
Article
Optics
Tyler W. Hughes et al.
Review
Nanoscience & Nanotechnology
Shumei Chen et al.
Article
Engineering, Electrical & Electronic
Ali Lalbakhsh et al.
IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS
(2017)
Article
Multidisciplinary Sciences
Ashok Kodigala et al.
Review
Optics
M. Wuttig et al.
Article
Optics
Yichen Shen et al.
Article
Optics
Sajjad Abdollahramezani et al.
Article
Optics
Farzad Zangeneh-Nejad et al.
Article
Physics, Multidisciplinary
J. P. Balthasar Mueller et al.
PHYSICAL REVIEW LETTERS
(2017)
Article
Multidisciplinary Sciences
Tengfeng Zhu et al.
NATURE COMMUNICATIONS
(2017)
Article
Multidisciplinary Sciences
Ori Avayu et al.
NATURE COMMUNICATIONS
(2017)
Article
Physics, Multidisciplinary
Seyedeh Mahsa Kamali et al.
Article
Optics
Elhanan Maguid et al.
LIGHT-SCIENCE & APPLICATIONS
(2017)
Article
Nanoscience & Nanotechnology
Maria Papaioannou et al.
Review
Nanoscience & Nanotechnology
Guixin Li et al.
NATURE REVIEWS MATERIALS
(2017)
Article
Optics
Weilin Liu et al.
Article
Optics
Amir Youssefi et al.
Article
Optics
Ata Chizari et al.
Article
Optics
L. L. Doskolovich et al.
Article
Optics
Maria Papaioannou et al.
LIGHT-SCIENCE & APPLICATIONS
(2016)
Review
Optics
Alexander E. Minovich et al.
LASER & PHOTONICS REVIEWS
(2015)
Article
Optics
Kaisheng Chen et al.
Article
Optics
Zhichao Ruan
Article
Chemistry, Multidisciplinary
Anders Pors et al.
Article
Optics
Dmitry A. Bykov et al.
Article
Multidisciplinary Sciences
Alexandre Silva et al.
Article
Optics
Tie Jun Cui et al.
LIGHT-SCIENCE & APPLICATIONS
(2014)
Article
Optics
Weiwei Zhu et al.
Article
Optics
Mohsen Farmahini-Farahani et al.
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS
(2013)
Article
Optics
H. John Caulfield et al.
Review
Materials Science, Multidisciplinary
Geoffrey A. Ozin et al.
Article
Computer Science, Artificial Intelligence
P Viola et al.
INTERNATIONAL JOURNAL OF COMPUTER VISION
(2004)
