Buwen Cheng
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View article: SE3D: Testing the recovery of stellar population, dust and structural properties on mock-observed toy model and simulated galaxies
SE3D: Testing the recovery of stellar population, dust and structural properties on mock-observed toy model and simulated galaxies Open
The translation from direct observables to physical properties of galaxies is a key step in reconstructing their evolutionary histories. Variations in stellar populations and star-dust geometry can induce inhomogeneous mass-to-light ratios…
View article: Cross-domain knowledge distillation for integrated optical neural networks: toward robust and compact learning with pseudo-zero-shot capability
Cross-domain knowledge distillation for integrated optical neural networks: toward robust and compact learning with pseudo-zero-shot capability Open
This paper proposes what we believe to be a novel training framework for on-chip optical neural networks (ONNs), termed cross-domain electro-optical knowledge distillation (CDEOKD). Unlike conventional training methods that rely solely on …
View article: Segregation Effect on the Purification of Iron Using the Zone Refining Method
Segregation Effect on the Purification of Iron Using the Zone Refining Method Open
Despite extensive studies on individual impurities (P, Mn, Ni, S, C, O), systematic understanding of impurity segregation mechanisms in iron remains incomplete. Here, the distribution of main impurities in iron purified by floating zone re…
View article: A 6–18 GHz Low-Noise Amplifier with 19 dBm OP1dB and 2.6 ± 0.3 dB NF in 0.15 μm GaAs Process
A 6–18 GHz Low-Noise Amplifier with 19 dBm OP1dB and 2.6 ± 0.3 dB NF in 0.15 μm GaAs Process Open
A three-stage low-noise amplifier (LNA) operating over the 6–18 GHz frequency range is designed and implemented, featuring a flat noise figure (NF) and enhanced output 1 dB compression point (OP1dB). To improve linearity and minimize disto…
View article: Software program development of a high-precision magnetometer system for human-occupied vehicles
Software program development of a high-precision magnetometer system for human-occupied vehicles Open
Cesium optically pumped magnetometers are widely used in geophysical exploration, environmental monitoring, and scientific research for magnetic field measurements. Traditional magnetometer systems, however, encounter limitations in comple…
View article: Upcycling waste commodity polymers into high-performance polyarylate materials with direct utilization of capping agent impurities
Upcycling waste commodity polymers into high-performance polyarylate materials with direct utilization of capping agent impurities Open
View article: Optimizing optical neural network design for enhanced compatibility with analog computation
Optimizing optical neural network design for enhanced compatibility with analog computation Open
This paper breaks away from traditional approaches that merely emulate digital neural networks. Using Mach-Zehnder interferometer (MZI) networks as a case study, we explore the impact of the inherent properties of analog computation on per…
View article: A Novel Dual-Signal Near Infrared Ratiometric Fluorescent Smart Label for Real-Time and Visual Monitoring Hydrogen Sulfide to Assess Meat Freshness
A Novel Dual-Signal Near Infrared Ratiometric Fluorescent Smart Label for Real-Time and Visual Monitoring Hydrogen Sulfide to Assess Meat Freshness Open
View article: Real-Time Galaxy Morphological Classification Method Based on Multi-Band Ensemble Learning with Diffractive Deep Neural Networks
Real-Time Galaxy Morphological Classification Method Based on Multi-Band Ensemble Learning with Diffractive Deep Neural Networks Open
View article: Influence of the Central Metal Atom (Fe and Ni) on the Orr Pathways of Single-Atom Catalysts in N-Doped Graphene: A Dft Study
Influence of the Central Metal Atom (Fe and Ni) on the Orr Pathways of Single-Atom Catalysts in N-Doped Graphene: A Dft Study Open
View article: Effect of withdrawal rate on the microstructure and static recrystallization behavior of Ni-based single crystal superalloy
Effect of withdrawal rate on the microstructure and static recrystallization behavior of Ni-based single crystal superalloy Open
The deformation characteristics after directional solidification at different withdrawal rates and static recrystallization (SRX) during solution heat treatment of Ni-based single-crystal superalloy castings were systematically investigate…
View article: Software Program Development of a High-Precision Magnetometer System for Human-occupied Vehicles
Software Program Development of a High-Precision Magnetometer System for Human-occupied Vehicles Open
Cesium optically pumped magnetometers are widely used in geophysical exploration, environmental monitoring, and scientific research for magnetic field measurements. Traditional magnetometer systems, however, encounter limitations in comple…
View article: High-speed waveguide lateral Ge/Si avalanche photodetector for C-band and L-band
High-speed waveguide lateral Ge/Si avalanche photodetector for C-band and L-band Open
Germanium/silicon (Ge/Si) avalanche photodiodes (APDs) have been intensively investigated and are widely used in various fields, such as near-infrared detection and quantum communication. However, existing research of Ge/Si APDs mostly foc…
View article: Investigation of temperature and H<sub>2</sub> on GePb/Ge multiple quantum well growth
Investigation of temperature and H<sub>2</sub> on GePb/Ge multiple quantum well growth Open
To reveal the growth behavior of GePb/Ge multiple quantum well (MQW) samples, both the influence of growth temperature and H 2 /Ar atmosphere are investigated by sputtering epitaxy. As the growth temperature increases from 250 °C to 400 °C…
View article: Effect of Withdrawal Rate on the Microstructure and Static Recrystallization Behavior of Ni-Based Single Crystal Superalloy
Effect of Withdrawal Rate on the Microstructure and Static Recrystallization Behavior of Ni-Based Single Crystal Superalloy Open
View article: Defect-Free Gepb Nanosheets Grown Directly on Si Substrate by Pb-Catalyzed Method
Defect-Free Gepb Nanosheets Grown Directly on Si Substrate by Pb-Catalyzed Method Open
View article: Influence of the Central Metal Atom (Fe and Ni) on the Orr Pathways of Single-Atom Catalysts in N-Doped Graphene: A Dft Study
Influence of the Central Metal Atom (Fe and Ni) on the Orr Pathways of Single-Atom Catalysts in N-Doped Graphene: A Dft Study Open
View article: Effect of Withdrawal Rate on the Microstructure and Static Recrystallization Behavior of Ni-Based Single Crystal Superalloy
Effect of Withdrawal Rate on the Microstructure and Static Recrystallization Behavior of Ni-Based Single Crystal Superalloy Open
View article: Effect of High-Temperature Stress Relief Annealing on the Recrystallization of Pre-Deformed Ni-Based Single Crystal Superalloy
Effect of High-Temperature Stress Relief Annealing on the Recrystallization of Pre-Deformed Ni-Based Single Crystal Superalloy Open
View article: 980 nm Near-Infrared Light-Emitting Diode Using All-Inorganic Perovskite Nanocrystals Doped with Ytterbium Ions
980 nm Near-Infrared Light-Emitting Diode Using All-Inorganic Perovskite Nanocrystals Doped with Ytterbium Ions Open
All-inorganic perovskite (CsPbX 3 ) nanocrystals (NCs) have recently been widely investigated as versatile solution-processable light-emitting materials. Due to its wide-bandgap nature, the all-inorganic perovskite NC Light-Emitting Diode …
View article: Harnessing microcomb-based parallel chaos for random number generation and optical decision making
Harnessing microcomb-based parallel chaos for random number generation and optical decision making Open
Optical chaos is vital for various applications such as private communication, encryption, anti-interference sensing, and reinforcement learning. Chaotic microcombs have emerged as promising sources for generating massive optical chaos. Ho…
View article: Harnessing microcomb-based parallel chaos for random number generation and optical decision making
Harnessing microcomb-based parallel chaos for random number generation and optical decision making Open
The files contain the data and codes for the paper "Harnessing microcomb-based parallel chaos for random number generation and optical decision making".
View article: Modeling, analysis, and demonstration of a carrier-injection electro-absorption modulator at 2 µm on Ge-on-Si platform
Modeling, analysis, and demonstration of a carrier-injection electro-absorption modulator at 2 µm on Ge-on-Si platform Open
In this paper, a carrier-injection electro-absorption modulator (EAM) at 2 µm is demonstrated on Ge-on-Si platform. The EAM shows a compact size and high modulation efficiency due to the strong free-carrier electroabsorption (FCEA) effect …
View article: Brightness and Lifetime Improved Light-Emitting Diodes from Sr-Doped Quasi-Two-Dimensional Perovskite Layers
Brightness and Lifetime Improved Light-Emitting Diodes from Sr-Doped Quasi-Two-Dimensional Perovskite Layers Open
Green Perovskite Light-Emitting Diodes (PeLEDs) have attracted wide attention for full spectrum displays.However, the inferior film morphology and luminescence property of quasi-two-dimensional (quasi-2D) perovskite layers limit the photoe…
View article: Investigation on n-Type (−201) β-Ga<sub>2</sub>O<sub>3</sub> Ohmic Contact via Si Ion Implantation
Investigation on n-Type (−201) β-Ga<sub>2</sub>O<sub>3</sub> Ohmic Contact via Si Ion Implantation Open
Heavy doped n-type β-Ga 2 O 3 (HD-Ga 2 O 3 ) was obtained by employing Si ion implantation technology on unintentionally doped β-Ga 2 O 3 single crystal substrates. To repair the Ga 2 O 3 lattice damage and activate the Si after implantati…
View article: Interface modification of TiO<sub>2</sub> electron transport layer with PbCl<sub>2</sub> for perovskiote solar cells with carbon electrode
Interface modification of TiO<sub>2</sub> electron transport layer with PbCl<sub>2</sub> for perovskiote solar cells with carbon electrode Open
Perovskite Solar Cells (PSCs) have attracted considerable attention because of their unique features and high efficiency. However, the stability of perovskite solar cells remains to be improved. In this study, we modified the TiO 2 Electro…
View article: High-Performance GeSn Photodetector Covering All Telecommunication Bands
High-Performance GeSn Photodetector Covering All Telecommunication Bands Open
We report the design and fabrication of a high-speed GeSn normal-incidence p-i-n photodetector. To realize high-speed detection in all telecommunication bands, we optimize the Sn content in the absorption layer, the absorption-layer thickn…
View article: Effect of chloride Ion concentrations on luminescence peak blue shift of light-emitting diode using anti-solvent extraction of quasi-two-dimensional perovskite
Effect of chloride Ion concentrations on luminescence peak blue shift of light-emitting diode using anti-solvent extraction of quasi-two-dimensional perovskite Open
In recent years, Perovskite Light-Emitting Diodes (PeLEDs) have received considerable attention in academia.However, with the development of PeLEDs, commercial applications of full-color PeLED technology are largely limited by the progress…
View article: Spontaneously Conversion from Film to High Crystalline Quality Stripe during Molecular Beam Epitaxy for High Sn Content GeSn
Spontaneously Conversion from Film to High Crystalline Quality Stripe during Molecular Beam Epitaxy for High Sn Content GeSn Open
View article: The Effects of Music Intervention on Pallidum‐DMN Circuit of Schizophrenia
The Effects of Music Intervention on Pallidum‐DMN Circuit of Schizophrenia Open
Music intervention has been applied to improve symptoms of schizophrenic subjects as a complementary treatment in medicine. Although the psychiatric symptoms, especially for motivation and emotion, could be increased in schizophrenia, the …