Hualiang Zhang
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View article: Integration of Plasmonic Nanoheaters for Rapid and Tunable Light‐Driven Phase Transitions in VO₂ Nanocomposites
Integration of Plasmonic Nanoheaters for Rapid and Tunable Light‐Driven Phase Transitions in VO₂ Nanocomposites Open
The synthesis, and characterization of vanadium dioxide (VO₂) nanopowders mixed with gold nanoparticles (AuNP) are presented, enabling phase transition under visible light illumination at ambient temperature via AuNP plasmonic heating. The…
View article: Erratum to: Current Status and Prospects of High-Speed Direct-Drive Power Generation Technology
Erratum to: Current Status and Prospects of High-Speed Direct-Drive Power Generation Technology Open
View article: A Fully Additively Manufactured Low-Profile Cost-Effective Antenna Array Based on Tightly Coupled Monopole Arrays
A Fully Additively Manufactured Low-Profile Cost-Effective Antenna Array Based on Tightly Coupled Monopole Arrays Open
This paper presents a cost-effective fully additively manufactured tightly coupled monopole array (TCMA) with a 6:1 operating bandwidth, covering 1.48 GHz to 8.90 GHz. The design achieves an active VSWR of less than 2.89 and demonstrates o…
View article: Wide field of view large aperture meta-doublet eyepiece
Wide field of view large aperture meta-doublet eyepiece Open
Wide field of view and light weight optics are critical for advanced eyewear, with applications in augmented/virtual reality and night vision. Conventional refractive lenses are often stacked to correct aberrations at a wide field of view,…
View article: Full‐Color, Wide Field‐of‐View Metalens Imaging via Deep Learning
Full‐Color, Wide Field‐of‐View Metalens Imaging via Deep Learning Open
Chromatic aberration has been the main showstopper for metalenses when it comes to imaging applications with broadband sources such as ambient light. In wide field‐of‐view metalenses, this challenge becomes far more severe due to exacerbat…
View article: Wide Field of View Large Aperture Meta-Doublet Eyepiece
Wide Field of View Large Aperture Meta-Doublet Eyepiece Open
Wide field of view and light weight optics are critical for advanced eyewear, with applications in augmented/virtual reality and night vision. Conventional refractive lenses are often stacked to correct aberrations at wide field of view, l…
View article: Convolutional neural network accelerated normal vector method for free-from meta-optics inverse design based on Fourier modal methods
Convolutional neural network accelerated normal vector method for free-from meta-optics inverse design based on Fourier modal methods Open
Conventional Fourier modal methods (FMMs) remain computationally intensive for simulating and inversely designing free-form meta-atoms. This work introduces a convolutional neural network (CNN)-based method for generating normal vector (NV…
View article: Tuning crystal structure and electronic properties for enhanced oxygen intercalation pseudocapacitance in perovskite
Tuning crystal structure and electronic properties for enhanced oxygen intercalation pseudocapacitance in perovskite Open
Oxygen intercalation supercapacitors with high specific capacitance and power density offer potential advantages in various applications. This study explores the potential of Ruddlesden-Popper (RP) perovskite materials for energy storage, …
View article: An additively manufactured flexible millimeter-wave Doppler radar: Towards fully printed high-frequency multilayer flexible hybrid electronics
An additively manufactured flexible millimeter-wave Doppler radar: Towards fully printed high-frequency multilayer flexible hybrid electronics Open
Flexible hybrid electronics (FHE) is an emerging technology enabled through the integration of semiconductor devices and 3D printing technology. It unlocks tremendous market potential by realizing low-cost flexible circuits and systems tha…
View article: Photochemically Engineered Large‐Area Arsenic Sulfide Micro‐Gratings for Hybrid Diffractive–Refractive Infrared Platforms
Photochemically Engineered Large‐Area Arsenic Sulfide Micro‐Gratings for Hybrid Diffractive–Refractive Infrared Platforms Open
The cover picture referring to article number 2300241 by Myungkoo Kang, Tian Gu, and co-workers showcases photochemically induced micro-gratings for a hybrid diffractive–refractive lens. These lenses, composed of diffractive and refractive…
View article: Numerical Study of an Isothermal Compressor for Isothermal Compressed Air Energy Storage System
Numerical Study of an Isothermal Compressor for Isothermal Compressed Air Energy Storage System Open
View article: Advancements in compressed air engine technology and power system integration: A comprehensive review
Advancements in compressed air engine technology and power system integration: A comprehensive review Open
The compressed air power system demonstrates the ability to convert the internal energy stored within compressed air into mechanical energy, thus facilitating power output. Its application within specific domains, such as special purpose v…
View article: Photochemically Engineered Large‐Area Arsenic Sulfide Micro‐Gratings for Hybrid Diffractive–Refractive Infrared Platforms
Photochemically Engineered Large‐Area Arsenic Sulfide Micro‐Gratings for Hybrid Diffractive–Refractive Infrared Platforms Open
Patterns composed of micron‐sized surface structures can abruptly change the properties of an optical wave front, including its phase, amplitude, polarization, and dispersion. Optical components featuring surface micro‐gratings not only po…
View article: High-fidelity achromatic metalens imaging via deep neural network
High-fidelity achromatic metalens imaging via deep neural network Open
Meta-optics are attracting intensive interest as alternatives to traditional optical systems comprising multiple lenses and diffractive elements. Among applications, single metalens imaging is highly attractive due to the potential for ach…
View article: Wide field-of-view metalens: a tutorial
Wide field-of-view metalens: a tutorial Open
Wide field-of-view (FOV) optics are essential components in many optical systems, with applications spanning imaging, display, sensing, and beam steering. Conventional refractive wide FOV optics often involve multiple stacked lenses, resul…
View article: A holistically 3D-printed flexible millimeter-wave Doppler radar: Towards fully printed high-frequency multilayer flexible hybrid electronics systems
A holistically 3D-printed flexible millimeter-wave Doppler radar: Towards fully printed high-frequency multilayer flexible hybrid electronics systems Open
Flexible hybrid electronics (FHE) is an emerging technology enabled through the integration of advanced semiconductor devices and 3D printing technology. It unlocks tremendous market potential by realizing low-cost flexible circuits and sy…
View article: A holistically 3D-printed flexible millimeter-wave Doppler radar: Towards fully printed high-frequency multilayer flexible hybrid electronics systems
A holistically 3D-printed flexible millimeter-wave Doppler radar: Towards fully printed high-frequency multilayer flexible hybrid electronics systems Open
Flexible hybrid electronics (FHE) is an emerging technology enabled through the integration of advanced semiconductor devices and 3D printing technology. It unlocks tremendous market potential by realizing low-cost flexible circuits and sy…
View article: Energy Analysis and Control Scheme Optimizations for a Recuperated Gas Turbine with Variable Power Offtakes/Inputs
Energy Analysis and Control Scheme Optimizations for a Recuperated Gas Turbine with Variable Power Offtakes/Inputs Open
View article: Interaction of Shock Wave with Film Cooling on Flat Surface
Interaction of Shock Wave with Film Cooling on Flat Surface Open
View article: Near-infrared metalens for high-resolution and deep focus optical coherence tomography
Near-infrared metalens for high-resolution and deep focus optical coherence tomography Open
High-resolution endoscopic optical imaging is a crucial technique in biological imaging to examine the inside organs. There is a trade-off between lateral resolution and depth of focus in such applications. Traditional Optical Coherence To…
View article: Understanding wide field-of-view flat lenses: an analytical solution [Invited]
Understanding wide field-of-view flat lenses: an analytical solution [Invited] Open
Wide field-of-view (FOV) optics are widely used in various imaging, display, and sensing applications. Conventional wide FOV optics rely on complicated lens assembly comprising multiple elements to suppress coma and other Seidel aberration…
View article: Table of Contents
Table of Contents Open
transport path optimization model and algorithm considering carbon emissions
View article: Reconfigurable Parfocal Zoom Metalens
Reconfigurable Parfocal Zoom Metalens Open
Zoom lenses with variable focal lengths and magnification ratios are essential for many optical imaging applications. Conventional zoom lenses are composed of multiple refractive optics, and optical zoom is attained via translational motio…
View article: Deep neural network enabled active metasurface embedded design
Deep neural network enabled active metasurface embedded design Open
In this paper, we propose a deep learning approach for forward modeling and inverse design of photonic devices containing embedded active metasurface structures. In particular, we demonstrate that combining neural network design of metasur…
View article: Electrically Tunable and Reconfigurable Topological Edge State Laser
Electrically Tunable and Reconfigurable Topological Edge State Laser Open
Incorporating active components in photonic structures with a topological configuration has been shown to achieve lasing at topological edge states. Here, we report an electrically tunable topological edge-state laser in a one-dimensional …
View article: Ultra-Wideband Schiffman Phase Shifter Designed with Deep Neural Networks
Ultra-Wideband Schiffman Phase Shifter Designed with Deep Neural Networks Open
This manuscript contains 11 pages and 11 figures.The datasets used during training and the deployed Schiffman phase shifter design tool is open source and available at: https://github.com/SensongAn/DNN-Schiffman-phase-shifter.
View article: Ultra-Wideband Schiffman Phase Shifter Designed with Deep Neural Networks
Ultra-Wideband Schiffman Phase Shifter Designed with Deep Neural Networks Open
This manuscript contains 11 pages and 11 figures.The datasets used during training and the deployed Schiffman phase shifter design tool is open source and available at: https://github.com/SensongAn/DNN-Schiffman-phase-shifter.
View article: Wide field-of-view flat lens: an analytical formalism
Wide field-of-view flat lens: an analytical formalism Open
Wide field-of-view (FOV) optics are widely used in various imaging, display, and sensing applications. While conventional wide FOV optics rely on cascading multiple elements to suppress coma and other aberrations, it has recently been demo…
View article: Electrically-switchable foundry-processed phase change photonic devices
Electrically-switchable foundry-processed phase change photonic devices Open
Optical phase change materials (PCMs) are a unique class of materials which exhibit extraordinarily large optical property change (e.g. refractive index change > 1) when undergoing a solid-state phase transition, and they have witnessed in…
View article: Multichannel High‐Efficiency Metasurfaces Based on Tri‐Band Single‐Cell Meta‐Atoms with Independent Complex‐Amplitude Modulations
Multichannel High‐Efficiency Metasurfaces Based on Tri‐Band Single‐Cell Meta‐Atoms with Independent Complex‐Amplitude Modulations Open
Achieving multitasking wavefront manipulations at multiple frequencies within a planar meta‐device is pivotal for increasing data density and functionality diversity yet still challenging in integrated devices. Considering both high effici…