A5043499870- Quantum optics and atomic interactions
- Orbital Angular Momentum in Optics
- Advanced Fiber Laser Technologies
- Nonlinear Photonic Systems
- Geology and Paleoclimatology Research
- Quantum Information and Cryptography
- Geomagnetism and Paleomagnetism Studies
- Atomic and Subatomic Physics Research
- Cold Atom Physics and Bose-Einstein Condensates
- Pleistocene-Era Hominins and Archaeology
- Photorefractive and Nonlinear Optics
- Nonlinear Waves and Solitons
- Microfluidic and Bio-sensing Technologies
- Laser-Matter Interactions and Applications
- Supercapacitor Materials and Fabrication
- Advanced Sensor and Energy Harvesting Materials
- Plasmonic and Surface Plasmon Research
- Mechanical and Optical Resonators
- Graphene research and applications
- Sperm and Testicular Function
- Metamaterials and Metasurfaces Applications
- Thermal properties of materials
- Geological formations and processes
- Conducting polymers and applications
- Fire dynamics and safety research
Chinese Academy of Sciences
2009-2025
Henan University
2016-2024
Xi'an Jiaotong University
2011-2023
China University of Mining and Technology
2022-2023
Nanjing Normal University
2021
Institute of Earth Environment
2008-2020
Chongqing University
2019
Quanzhou Normal University
2018
Peking University
2014-2016
Georgia Institute of Technology
2013-2015
Forcing the East Asian summer monsoon What factors have controlled intensity of over recent geological past? To answer this key question requires a robust proxy for rainfall amounts. Beck et al. measured beryllium isotopic content loess from China, which they reconstructed 550,000-year-long record rainfall. Rainfall correlated with orbital precession and global variations in ice volume. This finding suggests that is governed by low-latitude interhemispheric gradients solar radiation levels,...
Stretchable radio‐frequency electronics are gaining popularity as a result of the increased functionality they gain through their flexible nature, impossible within confines rigid and planar substrates. One approach to fabricating stretchable antennas is embed or flowable conductive materials, such polymers, polymer composites, liquid metal alloys conduction lines. However, these materials face many challenges, low electrical conductivity under mechanical deformation delamination from In...
We investigate numerically the interactions of two in-phase and out-of-phase Airy beams nonlinear accelerating in Kerr saturable media, one transverse dimension. find that bound unbound soliton pairs, as well single solitons, can form such interactions. If interval between incident is large relative to width their first lobes, generated pairs just propagate individually do not interact. However, if comparable widths maximum interact display varied behavior. In case, they attract each other...
The feasibility of realizing a photonic Floquet topological insulator (PFTI) in an atomic ensemble is demonstrated. interference three coupling fields will split energy levels periodically, to form periodic refractive index structure with honeycomb profile that can be adjusted by different frequency detunings and intensities the fields. This turn affect appearance Dirac cones momentum space. When lattice sites are helically ordered along propagation direction, gaps open at points, one...
Aluminum electrolytic capacitors (AECs) are widely used for alternating current (ac) line-filtering. However, their bulky size is becoming more and incompatible with the rapid development of portable electronics. Here we report a scalable process to fabricate miniaturized graphene-based ac line-filters on flexible substrates at room temperature. In this work, graphene oxide (GO) reduced by patterned metal interdigits temperature directly as electrode material. The as-fabricated device shows...
We experimentally investigate the two-dimensional condensate (optical dropletlike) soliton formation and dynamics of generated signal probe beams in four-wave mixing (FWM) process with atomic coherence, under competition between third- fifth-order nonlinear susceptibilities. With such competing nonlinearities, mutual transformations among dropletlike fundamental, dipole, azimuthally modulated vortex FWM solitons are observed. The influence on photonic band gap is also investigated. All...
Radiocarbon accelerator mass spectrometry (AMS) techniques were used to date total organic carbon and plant seeds in the lFs core sequence (36°48′N, 100°08′E) from Qinghai Lake, China. This was drilled ∼18 m into Lake sediments as part of an international cooperative research project, “Scientific Drilling at Northeastern Tibetan Plateau: High-Resolution Paleoenvironmental Records Eastern Asia Linked Global Change,” which began 2004. Based on differences lithology content (TOC) lFs, divided 3...
Abstract Cosmogenic 10 Be is a promising precipitation index, because its fallout flux in sediments mainly controlled by wet after production the atmosphere. Here we report on new study for reconstructing during last 130 ka using measurements from Chinese loess, with multivariable linear regression to remove geomagnetic field modulation and dust dilution effects loess record. The broad similarity between our result speleothem δ 18 O indicates that record robust. It also records an...
UbiA prenyltransferases (PTs) play an indispensable role in the prenylation of plant metabolites, yielding numerous natural products with enhanced pharmacological activities. These enzymes typically target specific carbon atoms or hydroxyl groups aromatic substrates. Despite recent identification dozens plant‐derived PTs, their catalytic mechanism remains poorly understood, particularly regarding precise control regioselectivity. Here we identified 10 MaPTs that catalyzed regioselective and...
UbiA prenyltransferases (PTs) play an indispensable role in the prenylation of plant metabolites, yielding numerous natural products with enhanced pharmacological activities. These enzymes typically target specific carbon atoms or hydroxyl groups aromatic substrates. Despite recent identification dozens plant‐derived PTs, their catalytic mechanism remains poorly understood, particularly regarding precise control regioselectivity. Here we identified 10 MaPTs that catalyzed regioselective and...
Abstract The systematic and comprehensive research on the single-pass second harmonic generation (SHG) of perfect vortex beam (PVB) under low fundamental wave depletion is reported. Based Fourier transformation Bessel-Gaussian (BGVB) generated through combination spiral phase plate axicon, at 1064 nm with topological charge (TC) up to 6 created. By SHG these PVBs MgO-doped, periodically poled congruent LiNbO3 crystal, green wavelength (532 nm) TCs 12 are generated. TC PVB identified by...
We report a self-accelerating wave packets eigenmode solution of two-dimensional (2D) nonlocal nonlinear Schrödinger equation (NNLSE) with an Airy-beam time-dependence, and present their spatiotemporal profiles. The behaviours such Airy-Laguerre-Gaussian light bullets, as propagated in strongly medium (SNNM), are investigated both analytically numerically. found that the generation, control, manipulation NL bullets affected by radial mode number azimuthal number, well modulation depth. Our...
Research Article| June 01, 2014 Timing of the Brunhes-Matuyama magnetic polarity reversal in Chinese loess using 10Be Weijian Zhou; Zhou * 1State Key Laboratory Loess and Quaternary Geology, Institute Earth Environment, Academy Sciences, Xi'an 710075, China2Xi'an AMS Center, Environment Jiaotong University, 710061, China *E-mail: weijian@loess.llqg.ac.cn. Search for other works by this author on: GSW Google Scholar J. Warren Beck; Beck 3National Science Foundation Arizona Accelerator Mass...