A5100711073- Plasmonic and Surface Plasmon Research
- Photonic and Optical Devices
- Metamaterials and Metasurfaces Applications
- Photonic Crystals and Applications
- Gold and Silver Nanoparticles Synthesis and Applications
- Optical Network Technologies
- Advanced Fiber Laser Technologies
- Optical Coatings and Gratings
- Strong Light-Matter Interactions
- Thermal Radiation and Cooling Technologies
- Advanced Fiber Optic Sensors
- Laser Design and Applications
- Photonic Crystal and Fiber Optics
- Orbital Angular Momentum in Optics
- Advanced Antenna and Metasurface Technologies
- Advanced Photonic Communication Systems
- Solid State Laser Technologies
- Spectroscopy and Quantum Chemical Studies
- Quantum Information and Cryptography
- Semiconductor Lasers and Optical Devices
- Dielectric materials and actuators
- Laser Material Processing Techniques
- Electromagnetic wave absorption materials
- Optical Systems and Laser Technology
- Advanced Sensor and Energy Harvesting Materials
Beijing University of Posts and Telecommunications
2016-2025
Shanghai University
2018-2025
University of Science and Technology Liaoning
2025
China South Industries Group (China)
2024
North University of China
2024
Shanghai Jiao Tong University
2023-2024
State Key Laboratory of Information Photonics and Optical Communications
2013-2024
Nanjing University of Posts and Telecommunications
2024
Beijing Institute of Technology
2024
Hunan Agricultural University
2024
A perfect ultra-narrow band infrared metamaterial absorber based on the all-metal-grating structure is proposed. The presents a absorption efficiency of over 98% with an bandwidth 0.66 nm at normal incidence. This high efficient contributed to surface plasmon resonance. Moreover, resonance-induced strong electric field enhancement favorable for application in biosensing system. When operated as plasmonic refractive index sensor, has wavelength sensitivity 2400 nm/RIU and ultra-high figure...
Achieving strong coupling between plasmonic oscillators can significantly modulate their intrinsic optical properties. Here, we report the direct observation of ultrafast hot electron transfer from an Au grating array to MoS2 monolayer in regime localized surface plasmons (LSPs) and plasmon polaritons (SPPs). By means femtosecond pump-probe spectroscopy, measured time is approximately 40 fs with a maximum external quantum yield 1.65%. Our results suggest that LSPs SPPs has synergetic effects...
We propose and numerically investigate a novel ultra-broadband solar absorber by applying iron in 2D simple metamaterial structure. The proposed structure can achieve the perfect absorption above 95% covering wavelength range from 400 to 1500 nm. average reaches 97.8% over this range. broadband is caused excitation of localized surface plasmon resonance propagating resonance. first demonstrate that obviously beneficial impedance matching between free space an ultra-broad frequency band...
In this paper, three Fano resonances based on different physical mechanisms are theoretically and numerically investigated in a plasmonic resonator system, comprised of two circular cavities. And the multimode interference coupled mode theory (MICMT) including coupling phases is proposed to explain system. According MICMT, one originates from between resonant modes resonator, other induced by resonators. Mode degeneracy removed when symmetry system broken, thereby emerging third kind...
Molybdenum disulfide (MoS2) monolayer as one of the atomic thickness two-dimensional materials has remarkable electronic and optical properties, which is an ideal candidate for a wide range optoelectronic applications. However, poses significant challenge in MoS2 photoluminescence emission due to weak light-matter interaction. Here, we investigate exciton-plasmon interaction with spin-orbit coupling light. The plasmonic spiral rings subwavelength dimensions are designed fabricated on hybrid...
Graphene–polyvinylidene fluoride hybrid films (GPNs–PVDF) with a polyaniline (PANI) interlayer are fabricated by facile and effective process. The morphology of the graphene–polyaniline nanoflakes (GPNs) is examined scanning electron microscopy (SEM) transmission (TEM) interaction between graphene PANI investigated Fourier transform infrared spectroscopy (FTIR), UV-visible spectroscopy, X-ray diffraction (XRD), photoelectron (XPS). GPNs have layered structure resembling cake sheets...
We propose and numerically demonstrate an ultra-broadband graphene-based metamaterial absorber, which consists of multi-layer graphene/dielectric on the SiO2 layer supported by a metal substrate. The simulated result shows that proposed absorber can achieve near-perfect absorption above 90% with bandwidth 4.8 Thz. Owing to flexible tunability graphene sheet, state be switched from (absorption > 90%) off (reflection in frequencies range 3-7.8 Thz controlling Fermi energy graphene. Moreover,...
We propose and numerically investigate a perfect ultra-narrowband absorber with an absorption bandwidth of only 1.82 nm efficiency exceeding 95% in the visible region. demonstrate that is ascribed to coupling effect induced by localized surface plasmon resonance. The influence structural dimensions on optical performance also investigated, optimal structure obtained extremely low reflectivity (0.001) resonance dip. can be operated as refractive index sensor sensitivity around 425 nm/RIU...
Nucleic acid therapeutics offer tremendous promise for addressing a wide range of common public health conditions. However, the
Multiple Fano resonances are numerically investigated based on different waveguide modes in a nanoscale plasmonic resonator system, which consists of two grooves coupled with metal-insulator-metal (MIM) waveguide. Simulation results show that by introducing small structural breaking the resonator, both symmetric and antisymmetric can be excited. Due to interaction modes, transmission spectra possess sharp asymmetrical profile. Because origins, these exhibit dependence parameters structure...
Carbon–polymer nanocomposites with good dielectric properties have potential applications in the electronic and electrical industry because of their mechanical low cost. The morphology, structure, properties, strength reduced-graphene oxide nanosheet/poly(vinylidene fluoride-co-hexafluoropropylene) (rGO/PVDF-HFP) were investigated. rGO nanosheets well dispersed strongly oriented matrix, thanks to unique spin-assistant preparation process. A constant 54 (100 Hz) which was four times higher...
A novel and compact refractive index sensor based on Fano resonance in the plasmonic waveguide system, which comprises with a stub groove resonator coupled metal-insulator-metal waveguide, is proposed investigated by finite-element method. Due to interaction of narrow discrete broad spectrum caused groove, respectively, transmission exhibits sharp asymmetrical profile. Simulation results show that can be easily tuned changing parameters structure. These characteristics offer flexibility...
A sharp and asymmetric line shape is numerically predicted in a novel compact plasmonic waveguide system. This system consists of groove ring resonator coupled with metal-insulator-metal waveguide. Due to the interaction narrow discrete resonance broad spectrum caused by groove, respectively, transmission exhibits asymmetrical profile. Simulation results show that spectral can be easily tuned changing parameters structure. The physical features contribute highly efficient nanosensor for...
In this paper, an asymmetric plasmonic structure composed of two MIM (metal-insulator-metal) waveguides and rectangular cavities is reported, which can support triple Fano resonances originating from three different mechanisms. And the multimode interference coupled mode theory (MICMT) including coupling phases proposed based on single (CMT), used for describing explaining multiple resonance phenomenon in resonator systems. Just because originate mechanisms, each be tuned independently or...
In this work, an innovative boron-based multifunctional nanoplatform was developed for synergistic chemotherapy/photothermal therapy.
Understanding the unique characteristics of plexcitons, hybridized states resulting from strong coupling between plasmons and excitons, is vital for both fundamental studies practical applications in nano-optics. However, research plexcitons perspective chiral optics has been rarely reported. Here, we experimentally investigate optical chirality plexcitonic systems consisting composite metal nanoparticles J-aggregates regime. Mode splitting anticrossing behavior are observed circular...
The exploitation of strong light–matter interactions in chiral plasmonic nanocavities may enable exceptional physical phenomena and lead to potential applications nanophotonics, information communication, etc. Therefore, a deep understanding plasmonic–excitonic (plexcitonic) systems constructed by nanocavity molecular excitons is urgently needed. Herein, we systematically studied the gold nanorod-based plexcitonic assembled on DNA origami. Rabi splitting anticrossing behavior were observed...
Abstract In this work, using finite-difference time-domain method, we propose and numerically demonstrate a novel way to achieve electromagnetically induced transparency (EIT) phenomenon in the reflection spectrum by stacking two different types of coupling effect among elements designed metamaterial. Compared with conventional EIT-like analogues coming from only one type between bright dark meta-atoms on same plane, our knowledge approach is first realize optically active precise control...