A5101947546- Advanced Fiber Laser Technologies
- Photonic Crystal and Fiber Optics
- Photonic and Optical Devices
- Semiconductor Lasers and Optical Devices
- Laser-Matter Interactions and Applications
- Advanced Fiber Optic Sensors
- Optical Network Technologies
- Solid State Laser Technologies
- Semiconductor Quantum Structures and Devices
- Neural Networks and Reservoir Computing
- Advanced Photonic Communication Systems
- Random lasers and scattering media
- Optical Coherence Tomography Applications
- Advanced MEMS and NEMS Technologies
- Orbital Angular Momentum in Optics
- Laser Design and Applications
- Planetary Science and Exploration
- Diamond and Carbon-based Materials Research
- Mechanical and Optical Resonators
- Glass properties and applications
- Laser Applications in Dentistry and Medicine
- Spectroscopy and Laser Applications
- Photorefractive and Nonlinear Optics
- Astro and Planetary Science
- Chaos control and synchronization
Soochow University
2023-2025
State Key Laboratory of Modern Optical Instruments
2021-2024
Zhejiang University
2021-2024
Ningbo University
2023
Tieto (Finland)
2019-2021
Aalto University
2019-2021
Universiti Tenaga Nasional
2018-2020
Universiti Putra Malaysia
2016-2019
Universiti Tun Abdul Razak
2014
Universiti Malaysia Perlis
2014
Intheobservationslewingoflongbaselineinterferometersformedbymultiplefree-e yingspacecraftinformation, it is required to rotate the entire formation about a given axis and synchronize individual spacecraft rotation with rotation. Using particle model for dynamics rigid-body attitude dynamics, control laws are derived this mode of operation in absence gravitational e eld disturbances. A simplie ed law suitablefor implementation isalso obtained. It shown thatunder mild conditionstheformation...
Abstract Being a new class of two dimensional (2D) metal carbides, borides, and nitrides, MXenes comprise one the largest families 2D nanomaterials that provide huge possibilities in photonics, electronics, energy, Particularly, are discovered recently as alternatives to conventional saturable absorbers (SAs), such carbon nanotube graphene, which used for short laser pulse generation. The high absorption, astounding modulation depth, flexible bandgap tunability, electron density near Fermi...
Sensors based on graphene materials have promising applications in the fields of biology, medicine and environment etc. A laser-scribed provides a versatile, low-cost, environmental friendly method for stress, bio, gas, temperature, humidity multifunctional integrated sensors.
Abstract Three-dimensional (3D) glass chips are promising waveguide platforms for building hybrid 3D photonic circuits due to their topological capabilities, large transparent windows, and low coupling dispersion. At present, the key challenge in scaling down a benchtop optical system chip is lack of precise methods controlling mode field circuits. Here, we propose an overlap-controlled multi-scan (OCMS) method based on laser-direct lithography that allows customizing refractive index...
Saturable absorbers (SAs) have been regarded as a low‐cost yet robust and compact solution to pulse generation in different fiber solid‐state ultrafast lasers. Following the development of artificial SAs semiconductor SA mirrors, carbon nanotube (CNT) graphene are discovered employed for well In past decade, growing number based on new materials like MXenes metal halide perovskites emerged, while CNT still irreplaceable by due their fascinating saturable absorption properties. Instead...
Functionalizing glass with optically active quantum dots has shown great potential in near-infrared bioimaging and optical communication. However, the size distribution of is hard to control by traditional quenching method due extremely high processing temperature (∼1300 °C), resulting unexpected transmission loss luminescent embedded a composite. Herein, we developed nanoconfined synthesis lead sulfide (PbS) mesoporous aluminosilicate matrix at relatively low 600 °C adjustable broadband...
Abstract The intriguing optical response associated with the vanishingly small dielectric primitivity in epsilon‐near‐zero (ENZ) materials has offered unprecedented opportunities for photonics. Due to high‐limit of doping concentration, current homogeneous ENZ based on heavily doped conductive oxide including ITO usually exhibit a zero‐permittivity wavelength (λ 0 ) longer than 1200 nm. Here, this is identified combined theoretical and experimental investigations that stoichiometric...
Photonic reservoir computing (RC) is emerging as a competitive candidate for ultra-fast and energy-efficient neuromorphic computing, noted its physical compatibility straightforward training process. However, this widely appreciated form of machine learning typically employs only single hidden layer with feedback loop (FL), which essentially constrains the capability complex task processing poses challenges to integration. Here, we present an integrated deep photonic RC setup based on...
Mode-locked fiber laser incorporating a saturable absorber is an attractive configuration due to its stability and simple structure. In this work, we demonstrate dual-wavelength passively mode-locked erbium-doped employing graphene/polymethyl-methacrylate absorber. A resonator developed based on dual cavity architecture with unidirectional signal oscillation, which connected by branch sharing common gain medium Dual wavelength lasers are observed at approximately 1530 1560 nm 22.6 mW pump...
We demonstrated an all-fiber Er-doped Mamyshev oscillator with short pulse duration and high peak power. Through the dispersion management technique accumulation of sufficient nonlinear phase shift, stable pulses repetition rate 6.55 MHz, 20-dB spectral bandwidth 78.2 nm, 72 fs power 86 kW were achieved from output coupler (OC) device directly without extra compression. Simulations have been performed to show direct generation ultrafast laser based on extended Schrödinger equation. To best...
Abstract The ability to modulate the nonlinear optical (NLO) response of low‐dimensional metal oxides is highly desirable for diverse applications. It shown here that irradiation a dispersion 2D oxide (MoO 3 ) nanosheets (NSs) by femtosecond laser pulses enables simultaneous scissoring NSs form well‐dispersed MoO quantum dots (QDs) and modulation NLO in visible near‐infrared (NIR) regions. inversion absorptive nonlinearity observed combined with larger enhancement laser‐irradiated 3− x...
Abstract Real‐time investigation in mode‐locked fiber lasers (MLFLs) is important to understand the ultrafast dynamics before, during, and after formation of stable laser pulses. However, experimental measurement these restricted by resolution conventional oscilloscopes. The development a time‐stretched dispersive Fourier transform (TS‐DFT) technique provides shot‐to‐shot mapping spectral information an ultrashort optical pulse into waveform MLFL. Here, recent progress various fascinating...
Abstract Optical waveguides fabricated in single crystals offer crucial passive/active optical components for photonic integrated circuits. Single possess inherent advantages over their amorphous counterpart, such as lower losses visible‐to‐mid‐infrared band, larger peak emission cross‐section, higher doping concentration. However, the writing of Type‐I positive refractive index modified using femtosecond laser technology presents significant challenges. Herein, this work introduces a novel...
Optical chaos, especially in the form of parallel temporal/spatial presents a highly efficient approach for high-throughput information processing diverse applications such as optical communication and reinforcement learning. However, despite these advancements, current approaches mainly focus on achieving enhanced single-channel performance or compromised multichannel realization (e.g., sacrificing bandwidth, individual control, system complexity). In this study, an integrated laser array...
Abstract Emerging 3D photonic circuits would greatly benefit from the ability to integrate skimming waveguides with low loss and controllable inscription depth into circuits. These allow for interaction of guiding light directly external modulation signals enable programmable Here, we report fabrication a novel photonic-lattice-like waveguide (PLLSW) using femtosecond laser writing. Our method enables fine control cross-sectional symmetry writing waveguides, achieving minimum 1 μm insertion...
Highly efficient rectangular pulse emission is significant in high energy O-band applications due to the zero dispersion of standard telecom optical fiber second telecommunication window. The offers peak power clamping, which avoids wave-breaking and maintains fundamental repetition frequency with arbitrarily widened temporal width ultrafast laser at pump powers. current technology achieves maximum ∼30 nJ an efficiency ∼1.06%. Here, we fabricated a single-mode bismuth-doped phosphosilicate...