A5100665873- Advanced Fiber Laser Technologies
- Photonic Crystal and Fiber Optics
- Laser-Matter Interactions and Applications
- 2D Materials and Applications
- Solid State Laser Technologies
- Perovskite Materials and Applications
- Topological Materials and Phenomena
- Photonic and Optical Devices
- Advanced Fiber Optic Sensors
- Graphene research and applications
- Diamond and Carbon-based Materials Research
- Semiconductor Quantum Structures and Devices
- Nonlinear Photonic Systems
- Ga2O3 and related materials
- Quantum Dots Synthesis And Properties
- Spectroscopy and Laser Applications
- Advanced Memory and Neural Computing
- Neural Networks and Reservoir Computing
- Education and Work Dynamics
- Innovative Educational Techniques
- Orbital Angular Momentum in Optics
- Geophysics and Sensor Technology
- Engineering Education and Curriculum Development
- Gold and Silver Nanoparticles Synthesis and Applications
- Biosensors and Analytical Detection
Chinese Academy of Sciences
2017-2025
Suzhou Institute of Nano-tech and Nano-bionics
2017-2025
National University of Defense Technology
2021-2024
Ningbo Institute of Industrial Technology
2023
Suzhou Research Institute
2018-2019
Harbin University
2011-2013
Harbin Engineering University
2009
Abstract Polarization‐sensitive infrared photodetectors have vast application prospects in imaging systems and polarization sensors due to the addition of new detection dimensions beyond wavelength intensity. However, most polarization‐sensitive are operated visible range still encounter challenges limited responsivity ( R ) ratio (PR) under short‐wave illumination. To address these issues, a vertical heterostructure β‐In 2 Se 3 ‐on‐Te is reported, achieving high‐performance (SWIR) region....
Laser state active controlling is challenging under the influence of inherent loss and other nonlinear effects in ultrafast systems. Seeking an extension degree freedom optical devices based on low-dimensional materials may be a way forward. Herein, anisotropic quasi-one-dimensional layered material Ta
Topological crystalline insulators (TCIs) are predicted to be a promising candidate material for ultra-broadband photodetectors ranging from ultraviolet (UV) terahertz (THz) due its gapless surface state and narrow bulk bandgap. However, the low responsivity of TCIs-based limits their further applications. In this regard, high-performance photodetector based on SnTe, recently developed TCI, working in broadband wavelength range deep UV mid-IR with high is reported. By taking advantage strong...
Abstract Ferroelectric‐field‐effect‐transistor (FeFET) memory, characterized by its nonvolatile, nondestructive readout operation and low power consumption, has attracted tremendous attention in the development of next‐generation random‐access memory. However, electrical reading processes conventional FeFETs may attenuate ferroelectric (FE) polarization lead to crosstalk. A photoelectric‐type FeFET memory with alternative through 2D black phosphorus (BP)/lead zirconate titanate (PZT)...
Black phosphorus (BP) ranks among the most promising saturable absorber materials for ultrafast pulse generations at 2 μm. However, easy-to-degrade characteristic of BP seriously limits long-term operation fiber lasers and hence becomes a bottleneck its relevant practical applications. In this paper, modified electrochemical delamination exfoliation process was explored to produce high-performance, large-size, oxidation-resistant nanosheets, where nanosheets in high yield with evenly coated...
We demonstrated a high-quality black phosphorus (BP) crystal fabricated
Abstract Optical frequency combs, consisting of well‐controlled equidistant lines, have been widely used in precision spectroscopy and metrology. Terahertz combs realized quantum cascade lasers (QCLs) by employing either an active mode‐locking or phase seeding technique, a dispersion compensator mirror. However, it remains challenge to achieve the passive comb formation terahertz semiconductor due insufficient nonlinearities conventional saturable absorbers. Here, is demonstrated coupling...
Ultrafast photonics has become an interdisciplinary topic of great consequence due to the spectacular progress compact and efficient ultrafast pulse generation. Wide spectrum bandwidth is key element for generation Fourier transform limitation. Herein, monoclinic Nb2GeTe4, emerging class ternary narrow-gap semiconductors, was used as a real saturable absorber (SA), which manifests superior wide-range optical absorption. The crystallization form growth mechanism Nb2GeTe4 were revealed by...
Two-dimensional (2D) materials have attracted extensive attention for use in fiber lasers pulse generation due to their unique nonlinear optical properties. While 2D with tunable band gaps hold promise as versatile saturable absorber materials, L-band (long-band) capability remains challenging. Metal phosphorus trichalcogenides (MPX3) recently the of researchers and shown potential sub-band gap absorption high diversity chemical components structural complexity. Herein, high-quality MnPSe3...
The van der Waals layered material MnBi2Te4, as a magnetic topological insulator, has attracted tremendous interest for novel physics research in the fields of condensed matter and materials science. However, nonlinear optical properties MnBi2Te4 its applications ultrafast optics have rarely been explored. In this study, high-quality nanosheets successfully synthesized by self-flux method. morphology, chemical composition, properties, characteristics were systematically investigated....
A black arsenic-phosphorus saturable absorber (SA) was fabricated and experimentally applied for a passively Q-switched Er-doped fiber laser the first time to best of our knowledge. The high-quality crystals were synthesized by mineralizer-assisted chemical vapor transport (CVT) method, fewer-layer thin film nanosheet SA performed unique electrochemical delamination exfoliation procedure. Meanwhile, stable pulse proposed based on modified ring cavity, which had repetition rate 38.47 kHz,...
A CsCu 2 I 3 SA-based passively mode-locking fiber laser was demonstrated. The could operate stably for at least five months, which will potentially unlock the pathways ultrafast photonics based on lead-free halide perovskites.
Although the physicochemical properties of gallium selenide (GaSe) have been widely investigated, property and application exploration GaSe‐coupled fiber devices are still in its infancy. There obvious challenges, namely, selecting from multiple GaSe phases effectively coupling to unique structure. Herein, lab‐on‐fiber (LOF) based on optimized is proposed be used for robust femtosecond pulse generation fiber‐compatible photodetection. First, density functional theory (DFT) calculations,...
Abstract Saturable absorber is a key component in ultrafast pulsed laser systems, which are pivotal physics, high‐speed communication, etc. 2D materials appear to be superior candidates as saturable absorbers for compact fiber lasers recent years due their wide band response and ease of integration. However, the integration mode‐locked devices inevitably involves contamination or polymer interface between layered fiber, contributes high start‐up threshold lasers. This study develops an...
Abstract Polarimetric photodetectors hold significant promise in optical communication and polarization imaging applications due to their additional ability detect states of light. The strategy multiple modulation plays a crucial role performance optimization multi‐valued logic output, enabling higher information transmission density clearer recognition. Following this context, Ta 2 PdSe 6 /MoTe semimetal/semiconductor heterojunction‐based polarimetric photodetector with multi‐control that...
Topological surface states (TSS) in certain low-dimensional materials impart gapless band structure, massless quasiparticles, and nonlinear optical behavior, enabling distinct advantages for applications low-energy photon detection. Herein, we develop a quasi-one-dimensional (quasi-1D) transition metal chalcogenide material, Ta2PdSe6, with robust TSS, which exhibits structure protected by spin-momentum locking time-reversal symmetry, alongside exceptional transport properties, including high...
Herein, high-quality NiPS<sub>3</sub> crystals were synthesized by a modified chemical vapor transport (CVT) method, and few-layer nanosheets used as saturable absorbers in pulse generation.
Abstract Graphene/III–V semiconductor van der Waals (vdW) heterostructures offer potential access to physics, functionalities, and superior performance of optoelectronic devices. Nevertheless, the lack a bandgap in graphene severely restricts controllability carrier properties therefore impedes its applications. Here, we demonstrate engineering graphene/GaAs heterostructure via C Ga exchange induced by method femtosecond laser irradiation (FLI). The coupling bandgap-opened with GaAs...
Tantalum disulfide (TaS 2 ), an emerging group VB transition metal dichalcogenide, is as a prototype for revealing basic physical phenomena and developing practical applications.
Recently, two-dimensional (2D) materials have attracted increasing attention as promising saturable absorbers (SAs) due to their excellent optoelectronic properties, which enable ultrashort duration, low time jitter, and good stability. Here, we successfully proposed demonstrated an L-band (@1568 nm) mode-locked fiber laser assisted by GeS2–SA. A high signal-to-noise ratio (SNR) ultrafast pulse generation with weak correlation van der Waals GeS2 nanosheets has been prepared for the...
The realization of controlled modulation ultrashort pulses in the all-solid-state visible ultrafast lasers is a challenge, limited by development advanced optical devices. Here, we reported Ta2PdSe6 photonic device-based laser that exploits polarization-dependent response device to modulate pulse width. Ultrashort widths 33.3 ps and 36.6 can be achieved under horizontal vertical polarization emission, respectively. This study presents devices for solid-state lasers, which might lead creation lasers.
The two-dimensional van der Waals layered topological material NbIrTe4 has attracted much attention as a type-II Weyl semimetal due to its high mobility, superconductivity, and excellent photoresponse. Here, we synthesized high-quality single crystals using the molten salt method then obtained corresponding nanosheets through mechanical exfoliation. Then, morphology, chemical composition, nonlinear optical characteristics of were thoroughly examined. saturable absorption (SA) properties...
Abstract Two-dimensional (2D) arsenic–phosphorus (AsP), as a derivative of black phosphorus (BP), has achieved great progress in regards to preparation methods, property modulation, and front application, which can be attributed the following two points. The first is that method been developed alloying BP with congener element arsenic produce high-quality AsP; second stable AsP possesses unique electronic optical properties. To conclude continuous extensive research, this review focuses on...