A5100331263- Metamaterials and Metasurfaces Applications
- Photonic and Optical Devices
- Perovskite Materials and Applications
- Advanced Fiber Laser Technologies
- Advanced Antenna and Metasurface Technologies
- Advanced Fiber Optic Sensors
- Photonic Crystal and Fiber Optics
- Plasmonic and Surface Plasmon Research
- Photonic Crystals and Applications
- Orbital Angular Momentum in Optics
- Optical Network Technologies
- Antenna Design and Analysis
- Neural Networks and Reservoir Computing
- Mechanical and Optical Resonators
- Gold and Silver Nanoparticles Synthesis and Applications
- Quantum Dots Synthesis And Properties
- Radiation Detection and Scintillator Technologies
- Nonlinear Photonic Systems
- Luminescence and Fluorescent Materials
- Thermal Radiation and Cooling Technologies
- Advanced Photocatalysis Techniques
- Solid State Laser Technologies
- Photorefractive and Nonlinear Optics
- Quantum Mechanics and Non-Hermitian Physics
- Polydiacetylene-based materials and applications
Harbin Institute of Technology
2015-2025
Chongqing University of Posts and Telecommunications
2022-2025
Xi'an Jiaotong University
2023-2025
Photonic Systems (United States)
2025
First Affiliated Hospital of Xi'an Jiaotong University
2024
Chinese Academy of Sciences
2021-2024
Lanzhou Institute of Chemical Physics
2024
Ningbo University
2019-2023
Zhejiang University of Technology
2023
Harbin Engineering University
2023
The development of classical and quantum information-processing technology calls for on-chip integrated sources structured light. Although vortex microlasers have been previously demonstrated, they remain static possess relatively high lasing thresholds, making them unsuitable high-speed optical communication computing. We introduce perovskite-based demonstrate their application to ultrafast all-optical switching at room temperature. By exploiting both mode symmetry far-field properties, we...
Abstract Functional materials displaying tunable emission and long-lived luminescence have recently emerged as a powerful tool for applications in information encryption, organic electronics bioelectronics. Herein, we present design strategy to achieve color-tunable ultralong room temperature phosphorescence (UOP) polymers through radical multicomponent cross-linked copolymerization. Our experiments reveal that by changing the excitation wavelength from 254 370 nm, these display multicolor...
Salt stress reduces plant growth and is now becoming one of the most important factors restricting agricultural productivity. Inoculation growth‐promoting rhizobacteria (PGPR) has been shown to confer tolerance against abiotic stress, but detailed mechanisms how this occurs remain unclear. In study, hydroponic experiments indicated that PGPR strain Bacillus amyloliquefaciens SQR9 could help maize plants tolerate salt stress. After exposure for 20 days, significantly promoted seedlings...
Growth of dendrites, the low plating/stripping efficiency Zn anodes, and high freezing point aqueous electrolytes hinder practical application Zn-ion batteries. Here, a zwitterionic osmolyte-based molecular crowding electrolyte is presented, by adding betaine (Bet, by-product from beet plant) to electrolyte, solve abovementioned problems. Substantive verification tests, density functional theory calculations, ab initio dynamics simulations consistently reveal that side reactions growth...
Nanoprint-based color display using either extrinsic structural colors or intrinsic emission is a rapidly emerging research field for high-density information storage. Nevertheless, advanced applications, e. g., dynamic full-color and secure encryption, call demanding requirements on in situ change, nonvacuum operation, prompt response, favorable reusability. By transplanting the concept of electrical/chemical doping semiconductor industry, we demonstrate an reversible nanoprinting paradigm...
"Life" represents a distinctive attribute inherent to organisms in nature, evident their capacity actively adapt changes environment. In contrast the static and intricate constructs of additive manufacturing (AM), dynamic structure 4D printing (4DP) adeptly integrates AM technology, responsive mechanisms, external stimuli, imbuing it with semblance "life." This fusion significantly broadens its functional applications across biomedicine, actuators, metamaterials. The escalating demand...
Perfect absorbers are important optical/thermal components required by a variety of applications, including photon/thermal-harvesting, thermal energy recycling and vacuum heat liberation. While there is great interest in achieving highly absorptive materials exhibiting large broadband absorption using optically thick, micro-structured materials, it still challenging to realize ultra-compact subwavelength absorber for on-chip applications. Here we report the experimental realization an super...
Highly reproducible organometallic-halide-perovskite-based devices are fabricated by a manufacturing process, which is demonstrated. Various shapes that hard to synthesize directly fabricated, and many unique properties achieved.The fabrication procedure utilized create photodetector the detection sensitivity significantly improved. The results will bring revolutionary advancement future of lead-halide-perovskite-based optoelectronic devices.
Integrated optical power splitter is one of the fundamental building blocks in photonic integrated circuits (PIC). Conventional multimode interferometer based widely used as it has reasonable footprint and easy to fabricate. However, challenging realize arbitrary split ratio especially for multi-outputs. In this work, an ultra-compact with a QR code-like nanostructure designed by nonlinear fast search method (FSM). The highly functional structure composed number freely square pixels size...
Lead halide perovskites based microlasers have recently shown their potential in nanophotonics. However, up to now, all of the perovskite are static and cannot be dynamically tuned use. Herein, we demonstrate a robust mechanism realize all-optical control microlasers. In lead microrods, deterministic mode switching takes place as external excitation is increased: onset new lasing switches off initial one via negative power slope, while main laser characteristics well kept. This reversible...
Random lasers have been ideal illumination sources for speckle-free and high-speed imaging. Despite their successes, the real applications of random are facing a long-standing challenge, i.e., cumbersome size illuminating system. Herein, we demonstrate perovskite-based surface emitting (SERLs) explore in The generated by multiple scattering perovskite polycrystalline film sandwiched two distributed Bragg reflectors. Owing to tight confinement vertical direction large number resonances,...
We present the simulation, fabrication, and characterization of a dual-band metamaterial absorber in mid-infrared regime. Two pairs circular-patterned metal-dielectric stacks are employed to excite absorption peaks. Dielectric characteristics dielectric spacing layer determine energy dissipation each resonant stack, i.e., or ohmic loss. By controlling material parameters, both two mechanisms introduced into our structure. Up 98% is obtained at 9.03 13.32 μm which reasonable agreement with...
Abstract Lead halide perovskites have emerged as promising materials for photovoltaic and optoelectronic devices. However, their exceptional nonlinear properties not been fully exploited in nanophotonics yet. Herein we fabricate methyl ammonium lead tri-bromide perovskite metasurfaces explore internal processes. While both of third-order harmonic generation three-photon luminescence are generated, the latter one is less affected by material loss has significantly enhanced a factor 60. The...
In telecommunications, network service accessibility as a requirement is closely related to equitably serving the population residing at locations that can most appropriately be described remote. Remote connectivity, however, would have benefited from more inclusive consideration in existing generations of mobile communications. To remedy this, sustainability and its social impact are being positioned key drivers sixth generation's (6G) research standardization activities. particular,...
Hybrid plasmonic nanolasers are intensively studied due to their nanoscale mode confinement and potentials in highly integrated photonic quantum devices. Until now, the characteristics of mostly determined by crystal facets top semiconductors, such as ZnO nanowires or nanoplates. As a result, spasers isolated, lasing wavelengths random difficult tune. Herein, we experimentally demonstrate formation lead halide perovskite (MAPbX3) based hybrid nanolaser arrays with arbitrary cavity shapes...
Abstract Scintillators are essential for high‐energy radiation detection in a variety of potential applications. However, due to complex fabrication processes and nanocrystal homogeneity, conventional scintillators challenging meet the need cost‐effective, environmentally friendly, flexible X‐ray detection. Here, monodisperse nanocrystals (NCs) with small grain size colloidal stability obtained by adjusting doping concentration Zn 2+ ions controlling morphology uniformity Cs 3 Cu 2 I 5 NCs....
We propose and study an optical microfiber coupler (OMC) sensor working near the turning point of effective group index difference between even supermode odd to achieve high refractive (RI) sensitivity. Theoretical calculations reveal that infinite sensitivity can be obtained when measured RI is close value. This diameter-dependent corresponds condition equals zero. To validate our proposed sensing mechanism, we experimentally demonstrate ultrahigh 39541.7 nm/RIU at a low ambient 1.3334...
Abstract Recently, the coexistence of a parity‐time (PT) symmetric laser and absorber has gained tremendous research attention. While PT‐symmetric lasers have been observed in microring resonators, experimental demonstration stripe is still absent. Here, we experimentally study waveguide. Using concept PT‐symmetry to exploit light amplification absorption, absorbers successfully obtained. In contrast single‐mode lasers, confirmed by comparing relative wavelength positions mode spacing under...
We present a systematic study on the spectral characteristics and ultrahigh sensitivity near dispersion turning point (DTP) of optical microfiber couplers. Numerical simulations reveal that DTP exists when group effective refractive index (RI) difference between even mode odd equals zero, where both positive RI sensitivities negative can be achieved. The position is dependent coupler width, it always over surrounding (SRI) range 1.333-1.41, which enables ultrasensitive sensing in this wide...
Very sharp 90°micro-bends for adiabatic optical wave propagation in multimode waveguides are demonstrated by an inverse design method, and the devices fabricated on a silicon-on-insulator platform. The compact bending structures based digital waveguide metastructures with footprints as small 2.6 μm×2.6 μm. For widths of 2 μm radii only 1 μm, TE00 mode is able to turn around corner dB loss >20 suppression ratio higher-order modes. transmission spectra measured ∼1 over 40 nm bandwidth which...
Recently, periodically patterned metasurfaces have been employed to realize on-chip super/near-perfect optical absorption. However, most reported meta-absorbers rely on top-down micro/nano-lithography, which imposed a serious cost barrier the development of practical applications, especially in visible-infrared (IR) domain and at very large scales. Here we report simple method manufacture super absorptive using direct sputtering deposition. By controlling deposition post thermal treatment...