A5088656420- Metamaterials and Metasurfaces Applications
- Advanced Antenna and Metasurface Technologies
- Liquid Crystal Research Advancements
- Plasmonic and Surface Plasmon Research
- Photonic Crystals and Applications
- Advanced Optical Imaging Technologies
- Orbital Angular Momentum in Optics
- Optical Coatings and Gratings
- Photonic and Optical Devices
- Advanced Materials and Mechanics
- Perovskite Materials and Applications
- Antenna Design and Analysis
- Photorefractive and Nonlinear Optics
- Polydiacetylene-based materials and applications
- Quantum optics and atomic interactions
- Chaos-based Image/Signal Encryption
- 2D Materials and Applications
- Chalcogenide Semiconductor Thin Films
- Advanced Photocatalysis Techniques
- Optical Polarization and Ellipsometry
- Random lasers and scattering media
- Mechanical and Optical Resonators
- Advanced Sensor and Energy Harvesting Materials
- Thermal Radiation and Cooling Technologies
- Quantum Dots Synthesis And Properties
Yangtze University
2024-2025
Wuhan University
2020-2025
Abstract The exploit of on‐chip metasurfaces with full optical controllability and multiplexing capability holds great promise for photonic integration circuits (PIC). Despite previous endeavors in controlling guided waves, it still faces critical challenges to realize practical display applications, instance, augmented reality (AR). Here, a new type AR based on multiplexed meta‐holography is proposed experimentally demonstrated by integrating judiciously engineered meta‐atoms above...
On-chip integrated meta-optics could enable high-performance, lightweight, and compact photonic devices for augmented reality (AR). Despite previous endeavors in controlling guided waves holographic phase control, such lack versatile performance with the full optical controllability both amplitude needed to generate multi-functional displays. Here, we propose experimentally demonstrate an on-chip metasurface on a waveguide multiplexing semi-transparent screen display sync AR human eyes....
Waveguide-integrated on-chip meta-optics exhibit a promising platform for achieving high-performance and compact optical display devices. However, heading toward advanced wearable smart technology, its broad implementation is critically restricted by the lack of practical active tuning capability. Despite previous endeavors, still face crucial challenges in any arbitrary vectorial wavefront with dynamic switchable ability. Here, liquid crystal (LC)-driven metasurface integrated on waveguide...
Abstract Directional emission of photoluminescence despite its incoherence is an attractive technique for light-emitting fields and nanophotonics. Optical metasurfaces provide a promising route wavefront engineering at the subwavelength scale, enabling feasibility unidirectional emission. However, current directional strategies are mostly based on static metasurfaces, it remains challenge to achieve emissions tuning with high performance. Here, we demonstrate quantum dots-hydrogel integrated...
Facing the challenge of information security in current era technology, optical encryption based on metasurfaces presents a promising solution to this issue. However, most metasurface-based techniques rely limited decoding keys and struggle achieve multidimensional complex encryption. It hinders progress storage capacity puts at disclosing risk. Here, we propose experimentally demonstrate system chip-integrated that successfully incorporates simultaneous manipulation three-dimensional...
Abstract Although metasurface‐based devices exhibit great potential in optical display and storage technology, the challenges practical nanoantenna fabrication limit their wide application. In parallel, flat optics, including planar thin‐film nanocavities, have also been extensively studied to realize various spectral engineering imaging functionalities with large areas simpler architecture. However, a longstanding challenge is achieve multiplexing dynamic switchable ability real‐time, which...
Abstract As metasurfaces have shown great potential for light manipulation, the majority of optical source parameters been extensively explored and progressively realized new degrees freedom in control multiplexing, including wavelength, polarization, forward/backward illumination, etc. However, incident wave vector ( k ) direction, namely illumination angle, as one critical parameters, has not fully multiplexing due to lack angular‐encoding freedom. Here, a general strategy is proposed...
Two-dimensional (2D) metasurfaces hold great promise to enable multiplexing and multifunctional optical devices due their artificial freedom in design, device miniaturization, etc. Various have been extensively studied, including polarization multiplexing, wavelength orbit angular momentum (OAM) multiplexing. However, the lack of encoding freedom, switchable nanoprinting has rarely studied or demonstrated yet best our knowledge. Here, we realize functionality with independent amplitude...
On-chip integrated meta-optics hold great promise in creating high-performance and ultracompact optical display devices. Although previous on-chip metasurfaces for meta-display have predominantly enabled binary-image near-/far-field exhibition functionalities, this remains a challenge has not been fully explored to induce multiple intensity levels meticulous grayscale images an scheme. Here, we propose experimentally demonstrate practical approach embed high-resolution image into metasurface...
Abstract Integrating metasurfaces on‐chip provides a promising approach to modulating and extracting the in‐plane waves, which bridges conversion between guided free‐space waves suggests tremendous applications, including guided‐wave‐driven holography, photonic integrated lasers, routers. However, despite these efforts, it remains challenging achieve multicolor 3D holographic projections via meta‐optics, along with switchability. Here, holography free from zero‐order diffraction immersion...
Abstract On‐chip integrated meta‐optics hold tremendous potential for optical imaging and display applications compatible with photonic devices. Despite recent endeavors in multi‐dimensional image display, it remains a challenge to realize dynamic holography on‐chip integration scheme facile accessible tuning approach. Herein, an hydrogel‐waveguiding platform single‐step fabrication is demonstrated colorful holography. By exploiting the tunable property of waveguiding hydrogel, hydrogel...
On-chip integrated meta-optics promise to achieve high-performance and compact photonic devices. To arbitrarily engineer the optical trajectory along propagation path in an on-chip scheme is of significance fundamental physics various emerging applications. Here, we experimentally demonstrate metasurface on a waveguide enable predefined arbitrary trajectories visible regime. By transformation transverse phase generate longitudinal mapping, guided waves are extracted molded into any different...
Abstract Heading towards to intelligent photonic technology, meta‐optics is in the revolutionary process of changing from passive active controllable devices. Despite various emerging tuning mechanisms exploration and demonstration, they mainly focus on spectral amplitude alternation or near‐field imaging switch. Most schemes inevitably demand quite complicated nanofabrication incorporate nanotextured materials, thus limiting its applicable scenarios outside laboratory. Hence, a practically...
Abstract Hydrogel materials endow the flat optics platform with active tuning capability, owing to their remarkable humidity‐responsive swelling behavior. Despite recent advances in hydrogel‐based devices for spectral tuning, complex patterning processing and limited functionality obstruct them from practical applications. Herein, a single‐step direct‐printing technique is originally demonstrated an hydrogel material realizing unprecedented multi‐field full‐color display dynamics. Through...
Devices used for meta-optics display are currently undergoing a revolutionary transition from static to dynamic. Despite various tuning strategy demonstrations such as mechanical, electrical, optical, and thermal tunings, longstanding challenge their practical application has been the achievement of conveniently accessible real-life scheme realizing versatile functionality dynamics outside laboratory. In this study, we demonstrate realize dynamic color printing with switchable...
Abstract Spatial frequency processing is an essential technology for extracting morphological information from optical image. Although various Fourier‐based flat elements have been proposed as spatial‐frequency filters to realize image processing, their transfer functions are statically fixed once fabricated, thus limiting the versatile, dynamic functionalities and practical applications. Here, a novel tuning strategy demonstrated switchable edge‐enhanced bright‐field imaging by employing...
Abstract Heading toward real‐life applications outside the laboratory, a longstanding obstacle for meta‐optics is to achieve an easy‐accessible tuning approach with practical characteristics, including large area, low complexity, cost, and energy consumption. Water (H 2 O) stimuli, ubiquitous substance in nature, can potentially serve as rescue solution has attracted broad interest. However, despite its great simplicity, water still faces unresolved but critical challenge, that is, enable...
Abstract Liquid immersion on metasurface was earlier demonstrated to realize spectral control. However, it remains a great challenge achieve tunable phase modulation and versatile beam‐steering performance, which are critical for practical optoelectronic devices. Here, new liquid‐immersive mechanism with metasurfaces active is proposed experimentally realized. Based the dielectric‐on‐metal nanostructure selective hydrophilic/hydrophobic properties, switchable initiated successfully presented...
Abstract Metal–insulator–metal (MIM) nanocavity, as a lossy Fabry–Pérot (FP) scheme, has been widely studied for color filter and perfect absorber functionality, which can be integrated into functional photonic devices. However, such triple‐layered MIM still lacks the ability to induce multiple intensity levels meticulous grayscale imaging because of strong spectral sensitivity cavity thickness variation. Moreover, stack remains unexplored multiplex near‐field nanoprinting holographic it is...
Heading toward next-generation intelligent display, dynamic control capability for meta-devices is critical real world applications. Beyond the conventional electrical/optical/mechanical/thermal tuning methods, liquid immersion recently has emerged as a facile mechanism which easily accessible (especially water) and practically implementable large area. However, due to longstanding drawback of lacking independent-encoding capability, state-of-art approach remains incapable pixel-level...
Despite various advances in achieving arbitrary optics steering, one of the longstanding challenges is to achieve optical merging for combining multidirectional beams through single-time reflection/transmission free space. Typically, dual-directional beam conducted by half-transmission and half-reflection using splitters; however, it leads a bulky system with stray light low efficiency. The difficulty free-space lies imparting respective distinct wavevectors different directional beams....
Multi-stage MHM nanocavities with configurably swellable hydrogel interlayers are achieved through high-resolution electron-beam exposure, resulting in structural-color-based imaging concealment/encryption driven by humidity change.
Nanostructure-based metasurfaces provide a promising route for arbitrarily manipulating light waves, especially versatile absorption. Although various meta-absorbers have been studied perfect absorption, it remains challenge to achieve high-contrast polarization-dependent absorption with dynamic tunability. Here, dual-metal hybrid metasurface is demonstrated polarization-selective and reflection liquid tuning capabilities in the infrared band. Based on metal–insulator–metal architecture,...