A5101398826- Metamaterials and Metasurfaces Applications
- Advanced Antenna and Metasurface Technologies
- Orbital Angular Momentum in Optics
- Plasmonic and Surface Plasmon Research
- Nonlinear Dynamics and Pattern Formation
- Chaos control and synchronization
- Neural Networks and Reservoir Computing
- Photonic and Optical Devices
- Optical Network Technologies
- Antenna Design and Analysis
- Optical Wireless Communication Technologies
- Semiconductor Lasers and Optical Devices
- Advancements in Battery Materials
- Random lasers and scattering media
- Advanced Optical Imaging Technologies
- Chaos-based Image/Signal Encryption
- Quantum Information and Cryptography
- Photonic Crystals and Applications
- Advanced Battery Materials and Technologies
- Advanced Optical Sensing Technologies
- 2D Materials and Applications
- Traditional Chinese Medicine Studies
- Optical Coherence Tomography Applications
- Advanced Fiber Laser Technologies
- Liquid Crystal Research Advancements
Chinese Academy of Sciences
2019-2025
Institute of Optics and Electronics, Chinese Academy of Sciences
2019-2025
University of Bayreuth
2023-2025
University of Chinese Academy of Sciences
2019-2025
Foshan University
2024
State Grid Corporation of China (China)
2023-2024
State Key Laboratory on Integrated Optoelectronics
2024
Guangdong Medical College
2012-2023
Xiamen University
2023
Southwest Jiaotong University
2011-2019
With inherent orthogonality, both the spin angular momentum (SAM) and orbital (OAM) of photons have been utilized to expand dimensions quantum information, optical communications, information processing, wherein simultaneous detection SAMs OAMs with a single element single-shot measurement is highly anticipated. Here, azimuthal-quadratic phase metasurface-based photonic transformation (PMT) illustrated for vortex recognition. Since different vortices are converted into focusing patterns...
Pancharatnam-Berry geometric phase has attracted enormous interest in subwavelength optics and electromagnetics during the past several decades. Traditional theory predicts that is equal to twice rotation angle of anisotropic elements. Here, we show high-order phases multiple times could be achieved by meta-atoms with highfold rotational symmetries. As a proof concept, broadband angular spin Hall effect light optical vortices experimentally demonstrated using plasmonic metasurfaces...
Imaging polarimetry is one of the most widely used analytical technologies for object detection and analysis. To date, metasurface-based techniques are severely limited by narrow operating bandwidths inevitable crosstalk, leading to detrimental effects on imaging quality measurement accuracy. Here, we propose a crosstalk-free broadband achromatic full Stokes polarimeter consisting polarization-sensitive dielectric metalenses, implemented principle polarization-dependent phase optimization....
Optical encryption is a promising approach to protecting secret information owing the advantages of low-power consumption, parallel, high-speed, and multi-dimensional processing capabilities. Nevertheless, conventional strategies generally suffer from bulky system volume, relatively low security level, redundant measurement, and/or requirement digital decryption algorithms. Here, we propose general optical strategy dubbed meta-optics-empowered vector visual cryptography, which fully exploits...
The geometric phase concept has profound implications in many branches of physics, from condensed matter physics to quantum systems. Although a long research history, novel theories, devices, and applications are constantly emerging with developments going down the subwavelength scale. Specifically, as one main approaches implement gradient modulation along thin interface, metasurfaces composed spatially rotated artificial structures have been utilized construct various planar meta-devices....
Recently, disordered metasurfaces have attracted considerable interest due to their potential applications in imaging, holography, and wavefront shaping. However, how emerge long-range ordered phase distribution remains an outstanding problem. Here, a general framework is proposed generate spatially homogeneous in-plane from metasurface, by engineering disorder parameters together with topology optimization. As proof-of-concept demonstration, all-dielectric supercell metasurface relatively...
Abstract Optical metasurface is a 2D array of subwavelength meta‐atoms that arbitrarily manipulates amplitude, polarization, and wavefront incident light, offering great advantages in miniaturization integration. However, the presuppositions hidden conventional unit‐cell‐based design approach, including discrete phase sampling, local periodicity approximation, normal response, imply responses interactions are almost impossible to be accurately modeled, thus impeding effective high‐efficiency...
Metalenses have gained significant attention and been widely utilized in optical systems for focusing imaging, owing to their lightweight, high-integration, exceptional-flexibility capabilities. Traditional design methods neglect the coupling effect between adjacent meta-atoms, thus harming practical performance of meta-devices. The existing physical/data-driven optimization algorithms can solve above problems, but bring time costs or require a large number data-sets. Here, we propose...
Triple-negative breast cancer (TNBC) is a subtype of with poor outcome and lacks approved targeted therapy. Overexpression epidermal growth factor receptor (EGFR) found in more than 50% TNBC suggested as driving force progression TNBC; however, targeting EGFR using antibodies to prevent its dimerization activation shows no significant benefits for patients. Here we report that monomer may activate signal transducer activator transcription-3 (STAT3) the absence transmembrane protein TMEM25,...
Super-resolution (SR) microscopy has dramatically enhanced our understanding of biological processes. However, scattering media in thick specimens severely limits the spatial resolution, often rendering images unclear or indistinguishable. Additionally, live-cell imaging faces challenges achieving high temporal resolution for fast-moving subcellular structures. Here, we present principles a synthetic wave (SWM) to extract three-dimensional information from unlabeled specimens, where...
Passive daytime radiative cooling (PDRC) materials with sustainable energy harvesting capability is critical to concurrently reduce traditional utilized for thermal comfort and transfer natural clean energies into electricity. Herein, a versatile photonic film (Ecoflex@BTO@UAFL) based on novel fluorescent luminescence color passive triboelectric piezoelectric effect developed by filling the dielectric BaTiO
Non-line-of-sight (NLOS) imaging aims at recovering hidden objects located beyond the traditional line of sight, with potential applications in areas such as security monitoring, search and rescue, autonomous driving. Conventionally, NLOS requires raster scanning laser pulses collecting reflected photons from a relay wall. High-time-resolution detectors obtain flight time undergoing multiple scattering for image reconstruction. Expanding area while maintaining sampling rate is an effective...
Abstract Polarization is the nature of optics. Exploiting metasurface's polarizations can enhance multiplexing capacity but face a limited number channels. For example, single‐layer metasurface offer three independent channels with six degrees freedom (DoFs) including amplitude and phase E x , xy(yx) y Jones matrix. In this work, it theoretically demonstrated that dual‐layer metasurfaces reach eight, overcoming polarization constraints cross‐talk be largely reduced as compared when channel...
Abstract Optical encryption is an increasingly significant technique in the realm of information security. In recent decade, there has been considerable interest using planar optics elements for encryption. However, leakage possibly occurs due to limited encrytion channels available single‐layer devices. To circumvent this problem, a novel method put forward secret sharing cascaded liquid crystal (LC) with spatial dislocation, which can produce near‐field patterns and far‐field holographic...
Abstract Metasurface-assisted waveguide couplers, or meta-couplers, innovatively link free-space optics with on-chip devices, offering flexibility for polarization and wavelength (de)multiplexing, mode-selective coupling, guided mode manipulation. However, conventional meta-couplers still face challenges low coupling efficiency narrow bandwidth due to critical near-field caused by constraints unit-cell–based design approach, which cannot be accurately addressed using traditional methods. In...
Abstract High resolution imaging represents a relentless pursuit within the field of optical system. Multi-frame super-resolution (SR) is an effective method for enhancing sampling density, while it heavily relies on sub-pixel scale displacement bulky camera. Based symmetric transformation quadratic-phase metasurface, we propose scaled transverse translation (STT) utilizing planar elements (POEs) to facilitate and remote imaging. The STT module composed pair with conjugated quadratic phase...
We investigate the topology optimization of geometric phase metasurfaces for wide-angle and high-efficiency deflection, where adjoint-based multi-object approach is adopted to improve absolute efficiency while maintaining polarization conversion characteristic metasurfaces. show that, initially discrete with different materials working wavelengths, shapes gradually evolve from structures quasi-continuous arrangements increment iteration operations. More importantly, finally optimized...
Longitudinal optical field modulation is of critical importance in a wide range applications, including imaging, spectroscopy, and manipulation. However, it remains considerable challenge to realize uniformly distributed light with extended depth-of-focus. Here, high-efficiency depth-of-focus metalens proposed by adjoint-based topology-shape optimization approach, wherein the theoretical electric intensity corresponding variable focal-length phase utilized as figure merit. Using dozen random...
Abstract Developing versatile systems that can concurrently achieve energy saving and generation is critical to accelerate carbon neutrality. However, challenges on designing highly effective, large scale, multifunctional photonic film hinder the concurrent combination of passive daytime radiative cooling (PDRC) utilization sustainable clean energies. Herein, a scalable (Ecoflex@ h ‐BN) with washable property excellent mechanical stability developed by combining scattering efficiency...
For the first time, to best of our knowledge, we experimentally demonstrate a high-speed free-space secure optical communication system based on all-optical chaos modulation. The effect atmospheric turbulence synchronization is investigated via hot air convection simulator. It shown that, even under moderately strong turbulent conditions, high-quality could be obtained by increasing transmission power. Moreover, encryption experiment using high bias current induced chaotic carrier for...
Catenary optics enables metasurfaces with higher efficiency and wider bandwidth, is highly anticipated in the imaging system, super-resolution lithography, broadband absorbers. However, periodic boundary approximation without considering aperiodic electromagnetic crosstalk poses challenges for catenary optical devices to reach their performance limits. Here, perfect control of both local geometric propagation phases realized through field-driven optimization, which field distribution...
Although tremendous efforts have been devoted to investigating the analogy between surface plasmon polariton and its spoof counterparts, it remains elusive that a single thin plasmonic metalens realizes wide-angle focusing wide field-of-view (FOV) imaging. Here, we propose metasurface can impart arbitrary phase with high transmittance, which comprises two-dimensional (2D) gradient spoof-insulator-spoof waveguides. With developed catenary field dispersion theory, their intrinsic physics is...
Recently, metasurface-based multichannel optical vortex arrays have attracted considerable interests due to its promising applications in high-dimensional information storage and high-secure encryption. In addition the well-known wavelength polarization multiplexing technologies, diffraction angle of light is an alternative typical physical dimension for arrays. this paper, based on angular multiplexing, we propose demonstrate by using ultrathin geometric metasurface. For a circularly...
Abstract Distinct from conventional optical lenses suffering the diffraction limit, superoscillatory lens offers an alternative approach to realize far‐field sub‐diffraction focusing and find significant applications in both microscopy telescopy. During past few years, planar micro/nanostructures are unitized precisely manipulate fields through a standard field along radial direction of pupil. Here, angular metalens (ASOM) is demonstrated by combining phase single metasurface. To best...
Optical chaotic signals emitted from an external-cavity feedback or injected laser diode enable small-signal information concealment in a noise-like carrier for secure optical communications. Due to the bandwidth limitation resulting intrinsic relaxation oscillation frequency of lasers, multiplexing signal, such as wavelength division fiber, is typical candidate high-capacity applications. However, our best knowledge, utilization spatial dimension chaos free-space communication has not yet...