A5087904147- Chaos control and synchronization
- Nonlinear Dynamics and Pattern Formation
- Optical Network Technologies
- Advanced Battery Materials and Technologies
- Advancements in Battery Materials
- Advanced Fiber Laser Technologies
- Semiconductor Lasers and Optical Devices
- Neural Networks and Reservoir Computing
- Chaos-based Image/Signal Encryption
- Advanced Battery Technologies Research
- Photonic and Optical Devices
- Advanced Photonic Communication Systems
- Advanced Optical Sensing Technologies
- stochastic dynamics and bifurcation
- Ultra-Wideband Communications Technology
- Advanced battery technologies research
- Fractal and DNA sequence analysis
- Complex Systems and Time Series Analysis
- Supercapacitor Materials and Fabrication
- Terahertz technology and applications
- Plant Reproductive Biology
- Plant Molecular Biology Research
- Sensorless Control of Electric Motors
- Network Security and Intrusion Detection
- Optical Coherence Tomography Applications
Guangdong University of Technology
2019-2025
Tropical Crops Genetic Resources Institute
2024-2025
Chinese Academy of Tropical Agricultural Sciences
2016-2025
East China University of Technology
2025
Beijing Chemical Industry Research Institute (China)
2011-2024
Shandong University
2024
Robert Bosch (Germany)
2024
Taiyuan University of Technology
2014-2023
Hebei University of Technology
2023
University of California, Davis
2022
TEGDN-QSSE could form a N-rich SEI on the surface of Li metal anode, protecting it from parasitic reactions and preventing dendrites. A pouch-type Li–S cell with stably cycle 50 times.
Bandwidth enhancement of chaotic signal generated from laser by using continuous-wave optical injection is experimentally demonstrated. A distributed feedback semiconductor with employed as the laser. The bandwidth enhanced roughly three times into compared when there no injection.
A novel porous sulfur/carbon nanocomposite was prepared as the cathode material for lithium–sulfur batteries. The nanostructure of composite is beneficial enhancing cycle life by accommodating volume expansion sulfur particles and adsorbing polysulfide produced during electrochemical reaction. resulting shows a high capacity 1039 mA h g−1 at 1C (1C = 1675 g−1) in first reversible remains up to 1023 even after 70 cycles.
We demonstrate experimentally and numerically a method using the incoherent delayed self-interference (DSI) of chaotic light from semiconductor laser with optical feedback to generate wideband signal. The results show that, DSI can eliminate domination relaxation oscillation existing in therefore flatten widen power spectrum. Furthermore, depresses time-delay signature induced by external cavity modes improves symmetry probability distribution more than one magnitude. also that this signal...
A multi-core-shell with a conductive network structured C-PANI-S@PANI composite high sulfur content up to 87% was synthesized. The cathode delivers higher specific capacity and excellent cycle stability, retaining reversible discharge of 835 mA h g(-1) after 100 cycles when the loading above 6 mg cm(-2).
In this paper, a sulfonated carbon coated separator is proposed with high permselectivity to lithium ions against polysulfide anions for improving the overall performance of Li–S batteries.
We propose and numerically demonstrate a scheme of coherent optical chaos communication using semiconductor lasers for secure transmission quadrature amplitude modulation (QAM) signals. In this scheme, laser intensity its delayed duplicate are used to amplitude-quadrature modulate continuous-wave light generate chaotic carrier. High-quality carrier synchronization between the transmitter receiver is guaranteed by synchronization, avoiding phase fluctuation. Decryption implemented 90 deg...
Chaotic optical communication technology is considered as an effective secure technology, which can protect information from a physical layer and compatible with the existing networks. At present, to realize long-distance chaos synchronization still very difficult problem, mainly because well-matched hardware cannot always be guaranteed between transmitter receiver. In this Letter, we introduce long short-term memory (LSTM) networks learn nonlinear dynamics model of opto-electronic feedback...
A green mechanochemical surface treatment strategy endows practical Li metal pouch cells with excellent electrochemical performance, achieving high energy density, stable cycle performance and security.
Optical chaos communication and key distribution have been extensively demonstrated with high-speed advantage but only within the metropolitan-area network range of which transmission distance is restricted to around 300 km. For secure-transmission requirement backbone fiber link, critical threshold realize long-reach synchronization. Here, we propose demonstrate a scheme synchronization using relay hybrid amplification an erbium-doped amplifier (EDFA) distributed Raman (DFRA). Experiments...
We experimentally and numerically demonstrate a route to bandwidth-enhanced chaos that is induced by an additional optical injection for chaotic laser diode with feedback. The measured calculated spectra consistently reveal the mechanism of bandwidth enhancement interaction between field via beating. can be maximized only when injected light detuned into edge spectrum beating frequency exceeds original bandwidth. simulated dynamics maps indicate 20 GHz broadband obtained commonly used diodes.
A NiS<sub>2</sub>-modified sulfurized polyacrylonitrile composite is prepared by simply co-heating a mixture of sulfur, NiCO<sub>3</sub>, and polyacrylonitrile.
Chaotic external-cavity semiconductor laser (ECL) is a promising entropy source for generation of high-speed physical random bits or digital keys. The rate and randomness unfortunately limited by relaxation oscillation resonance, usually improved complicated post processing. Here, we propose using broadband white chaos generated optical heterodyning two ECLs as to construct bit (RBG) with minimal heterodyne not only has spectrum without signature resonance but also symmetric amplitude...
Recent demonstrations of chaos-based secure communication have proven the feasibility secured transmission high-speed (tens Gbit/s) signals over certain distances (∼100-km), which bring hope for from theoretical analysis to practical applications. So far, system with chaos-masking (CMS) encryption is considered as one most important and feasible schemes. In this paper, an optical chaotic carrier generated by opto-electronic oscillator used encrypt 112-Gbit/s message CMS data a 1040-km...
We propose a method to locate precisely faults in wavelength-division-multiplexing (WDM) passive optical network (PON) by using wavelength tunable chaotic laser. The laser consists of multiple-longitudinal-mode Fabry-Perot (FP) diode whose modes match the channels WDM-PON, and an feedback loop including filter. feeds proportion light one mode that passes through filter back into cavity generate light. By adjusting frequency, we can tune light, diagnose corresponding branch WDM-PON....
We present a simple method to generate spectrally uniform wideband chaos by injecting chaotic laser into fiber ring resonator. The resonator is single-coupler equipped with an optical filter and amplifier, which adjust the field circulating in ring. incoherent interference of fields produces power spectrum density distribution. experimentally achieved that extends over 26.5 GHz (limited measurement bandwidth) fluctuates within ±1.5 dB. In addition, tuning frequency can control spectral...
The influence of discharge rate on the behaviour Li/S battery with cathode using a gelatin binder (SGA cathode) is investigated by X-ray diffraction and scanning electron microscopy, system poly(ethylene oxide) (PEO) (SPA as comparison. It found that SGA shows smaller plateau potential drop trend less curve shape change increasing. Detailed characterization reveals this due to dispersion ability good adhesion gelatin, which enable complete conversion elemental sulfur polysulfide in upper...
Chaotic laser with a flat power spectrum up to 32.3 GHz has been generated by using dual-wavelength optically injected Fabry–Pérot diode optical feedback. The fiber ring cavity is utilized generate the chaotic light. bandwidth of laser, due injection, enhanced roughly four times as much that without injection. <?Pub _bookmark="" Command="[Quick Mark]"?>
We experimentally realize a robust real-time random number generator by differentially comparing the signal from chaotic semiconductor laser and its delayed through 1-bit analog-to-digital converter. The probability density distribution of output based on differential comparison method possesses an extremely small coefficient Pearson's median skewness (1.5 × 10⁻⁶), which can yield balanced sequence much easily than previously reported that compares with certain threshold value. Moveover, we...