A5074522250- Metamaterials and Metasurfaces Applications
- Advanced Optical Network Technologies
- Plasmonic and Surface Plasmon Research
- Orbital Angular Momentum in Optics
- Non-Destructive Testing Techniques
- Ultrasonics and Acoustic Wave Propagation
- Advanced Photonic Communication Systems
- Advanced machining processes and optimization
- Optical Network Technologies
- Catalysis and Oxidation Reactions
- Catalytic Processes in Materials Science
- Software-Defined Networks and 5G
- Welding Techniques and Residual Stresses
- Catalysts for Methane Reforming
- Liquid Crystal Research Advancements
- Advanced Measurement and Metrology Techniques
- Terahertz technology and applications
- Flow Measurement and Analysis
- Structural Health Monitoring Techniques
- Photonic and Optical Devices
- Surface Roughness and Optical Measurements
- Photonic Crystals and Applications
- Optical Polarization and Ellipsometry
- Network Traffic and Congestion Control
- 2D Materials and Applications
Xiamen University of Technology
2025
Beijing University of Posts and Telecommunications
2018-2024
Dalian University
2021-2024
State Key Laboratory of Information Photonics and Optical Communications
2024
Dalian University of Technology
2015-2023
Southeast University
2015-2016
China Mobile (China)
2009
Metamaterials composed of metallic antennae arrays are used as they possess extraordinary optical transmission (EOT) in the terahertz (THz) region, whereby a giant forward light propagation can be created using constructive interference tunneling surface plasmonic waves. However, numerous applications THz meta-devices demand an active manipulation beam free space. Although some studies have been carried out to control EOT for few these based upon electrical modulation phenomenon, and novel...
Abstract Polarization is a fundamental characteristic of light waves carrying sensitive measurement and signal communication information. Traditional schemes for advanced controlling polarization impose stringent requirements on material features obtain merely limited performance. Integration diversified switchable functions into monolithic metamaterials has become rising research field, particularly the terahertz (THz) spectrum. However, study wearable meta‐converter with nonvolatile...
Abstract Metasurface analog of electromagnetically induced transparency (EIT) provides a compact platform for generating narrow‐band transmission window with very sharp spectral features. They hold promise many appealing applications including ultrasensitive detectors, slow‐light devices, nonlinear optical devices etc. In particular, reconfigurable EIT metasurfaces are crucial expanding the capability light field control, which promising terahertz (THz) communications and networks. Yet,...
Electromagnetically induced transparency (EIT) is a coherent optical process that provides narrow transparent peak within broad absorption line in an atomic medium. All-dielectric metasurface analogues of EIT have enabled new developments the nanophotonics field for obtaining smaller, more effective slow-light devices and highly sensitive detectors without quantum approach. However, dynamic control response all-dielectric metasurfaces has been rarely reported hitherto near-infrared (N-IR)...
Metamaterial (MM) perfect absorbers are realised over various spectra from visible to microwave. Recently, different approaches have been explored integrate tunability into MM absorbers. Particularly, tuning has illustrated through electrical-, thermal-, and photo-induced changes the permittivity of active medium within However, intricate design, expensive nanofabrication process, volatile nature limit widespread applications Metal-dielectric stack layered hyperbolic metamaterials (HMMs)...
Abstract Efficient thermal radiation in the mid-infrared (M-IR) region is of supreme importance for many applications including imaging and sensing, infrared light sources, spectroscopy, emissivity coatings, camouflage. The ability to control makes metasurfaces an attractive platform applications. Recently, different metamaterials have been proposed achieve high radiation. To date, broadening bandwidth a metasurface emitter (meta-emitter) has become key goal enable extensive We...
Abstract The chiroptical response occurring in the chiral metamaterials (MMs) has crucial and extensive applications for stereochemistry, polarization optics, spintronics. Yet, such intrinsically are restricted to a complicated subwavelength profile, causing pronounced fabrication challenges, particularly at near‐infrared (N‐IR) spectral regime. Instead, extrinsic chirality can also be observed nonchiral MMs under an oblique incidence, indicating that achieved with simple structures....
Enantioseparation of chiral molecules is an important aspect life sciences, chemical syntheses, and physics. Yet, the prevailing techniques are not effective. Recently, a few types plasmonic apertures have been theoretically proposed to distinguish between that vary based on their handedness under circularly polarized illumination. Both analytic calculations numerical simulation demonstrated enantioselective optical sieving could be obtained at nanoscale using large force resonance enhanced...
Abstract Next‐generation color display entails miniaturization, reconfigurablity, flexibility, integration, and excellent workability. Recently, emerging 2D van der Waals materials offer a new opportunity to satisfy these requirements attract intense attention, owing their intrinsic in‐plane anisotropy for polarization dependent photosensitivity, straightforward integration with complicated nanostructures, efficient quantum confinement good photodetecting performances. Nevertheless,...
For displacement measurement, to explore the influence of tilt angle on sensor's measured values, relationship between coil equivalent inductance and lift-off under different angles lift-offs were investigated by finite element method in this article, respectively. Comparing two variation laws, increase will lead smaller values. Moreover, applicability transformer-equivalent circuit model has nothing do with angle. Besides, experiments also testify that measuring errors can be compensated...
The polarization rotation of hybridly polarized beams passing through a uniaxial crystal whose optical axis is orthogonal to the beam theoretically and experimentally investigated. Based on existing theory, analytical expressions in crystals are derived. Simulation results show that distributions intensity patterns, states polarization, spin angular momentum depend strongly radius, propagation distance crystal, ratio extraordinary refractive index ordinary index. experimental investigations...
Generation of vectorial optical fields with arbitrary polarization distribution is great interest in areas where exotic are desired. In this work, we experimentally demonstrate the versatile generation linearly polarized vector fields, elliptically and circularly vortex beams through introducing attenuators a common-path interferometer. By means Richards-Wolf diffraction method, characteristics highly focused studied. The force torque on dielectric Rayleigh particle produced by these tightly...
Enantioseparation is crucial in pharmaceutics and agrochemicals. Compared to the current chemical technique, optical enantioseparation more effective means yet hampered by weak chiral force. Recently, plasmonic nanostructures have been theoretically demonstrated excite superchiral fields that can enhance enantioselective forces. Yet, quality ( Q ) factors of resonances are limited ohmic losses intrinsically existing metals, thus hindering their applications for sorting a few nanometer size...
Ultrasonic pulse technology has been widely employed for thickness measurement in the industrial field. Generally, ultrasonic transducer is required to be perpendicular test sample surface when using longitudinal wave. However, posture deviation (i.e., incident angle) of beam relative local normal always inevitable. In addition, received pressure will weakened significantly because variation echo propagation path and attenuation amplitude. As a result, angle induced error generated....
Determining the time of flight (TOF) is very critical for precise ultrasonic thickness measurement. However, relatively low signal-to-noise ratio (SNR) received signals would induce significant TOF determination errors. In this paper, an adaptive delay estimation method has been developed to improve determination's accuracy. An improved variable step size algorithm with comprehensive control function proposed. Meanwhile, a cubic spline fitting approach also employed alleviate restriction...
It demonstrates a flexible optical network enabled “Network Restructuring as Traffic Changes” for 5G/B5G backhaul network, which realizes proactive cross-layer generation and mitigation-based recovery, powered by cognitive enhancement decision deduction.
The proposed hybrid recovery utilizes flexible optical network with reinforcement learning to recover IP fault for edge network. testbed experiments indicate, the time is 20% of rerouting-based strategy a heavy-loaded