Weihua Guo
YOU?
Author Swipe
View article: Heterogeneous molecular catalysts for Multi-Electron electrochemical CO2 reduction
Heterogeneous molecular catalysts for Multi-Electron electrochemical CO2 reduction Open
View article: Risk of Atrial Fibrillation and Stroke in Patients with Hypertrophic Obstructive Cardiomyopathy Treated by Modified Morrow Septal Myectomy: Reports of a Propensity Score Matching Cohort
Risk of Atrial Fibrillation and Stroke in Patients with Hypertrophic Obstructive Cardiomyopathy Treated by Modified Morrow Septal Myectomy: Reports of a Propensity Score Matching Cohort Open
Background: A modified Morrow septal myectomy (MMSM) is one of the main treatment methods for obstructive hypertrophic cardiomyopathy (OHCM). Our aim was to study the impact of MMSM on the risk of AF and stroke in OHCM patients. Methods an…
View article: Hyperparametric solitons in nondegenerate optical parametric oscillators
Hyperparametric solitons in nondegenerate optical parametric oscillators Open
Dissipative solitons and their associated low-noise, chip-scale frequency combs hold great potential for applications in optical communications, spectroscopy, precision time-keeping, and beyond. These applications drive interest in shiftin…
View article: Salinity Effect on Soil Bacterial and Archaeal Diversity and Assembly in Phragmites australis Salt Marshes in the Qaidam Basin, China
Salinity Effect on Soil Bacterial and Archaeal Diversity and Assembly in Phragmites australis Salt Marshes in the Qaidam Basin, China Open
Extreme environments foster phylogenetically diverse microorganisms and unique community assembly patterns. Plateau saline marsh lakes represent understudied extreme habitats characterized by dual stressors of high salinity and low tempera…
View article: High slope efficiency single-mode surface-emitting DFB lasers with optimized λ/4 phase shift position
High slope efficiency single-mode surface-emitting DFB lasers with optimized λ/4 phase shift position Open
Single-mode surface-emitting lasers are crucial for emerging mega- and hyper scale data centers, providing a cost-effective solution for high-bandwidth, long-reach data communication systems. However, grating-coupled surface-emitting laser…
View article: High performance thin-film lithium niobate modulator on silicon substrate with a thick silica buffer layer
High performance thin-film lithium niobate modulator on silicon substrate with a thick silica buffer layer Open
The integration of thin-film lithium niobate (TFLN) modulators into optical communication systems has garnered significant attention due to their potential for enabling high-speed and energy-efficient optical modulation. As the demand for …
View article: A Novel Hybrid Photonic Integration Scheme Based on Flip-Chip Bonding Combined With Vertical Coupling
A Novel Hybrid Photonic Integration Scheme Based on Flip-Chip Bonding Combined With Vertical Coupling Open
A hybrid photonic integration scheme based on flip-chip bonding combined with vertical coupling is presented in this work, offering a novel solution for the integration of active and passive chips. An offset quantum-well laser is flipped a…
View article: Thermally controlled dual-mode <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline" overflow="scroll"><mml:msub><mml:mi>Si</mml:mi><mml:mn>3</mml:mn></mml:msub><mml:msub><mml:mrow><mml:mrow><mml:mi mathvariant="normal">N</mml:mi></mml:mrow></mml:mrow><mml:mn>4</mml:mn></mml:msub></mml:math> microresonators for generation of octave-spanning Kerr solitons
Thermally controlled dual-mode microresonators for generation of octave-spanning Kerr solitons Open
Octave-spanning soliton frequency combs generated by microresonators present a compact and low-noise tool for high-resolution time and distance measurements through self-referencing. While these soliton combs have been observed on various …
View article: Broadband electro-optic frequency comb with electrical and optical dual-resonance enhancement in lithium niobate
Broadband electro-optic frequency comb with electrical and optical dual-resonance enhancement in lithium niobate Open
The electro-optic frequency comb (EOFC) has significant applications in fields such as spectroscopy, optical communications, high-precision measurements, and quantum technology, offering a flexible free spectral range (FSR) and stable spec…
View article: High extinction-ratio thin-film lithium niobate modulator integrated with TE-pass waveguide polarizer
High extinction-ratio thin-film lithium niobate modulator integrated with TE-pass waveguide polarizer Open
Thin-film lithium niobate (TFLN) modulators are expected to play a key role in next-generation optical communication systems. In this work, we present the design, fabrication, and characterization of a TFLN Mach-Zehnder modulator (TFLN-MZM…
View article: The Heavier the Faster: A Subpopulation of Heavy, Rapidly Spinning and Quickly Evolving Binary Black Holes
The Heavier the Faster: A Subpopulation of Heavy, Rapidly Spinning and Quickly Evolving Binary Black Holes Open
The spins of binary black holes (BBHs) measured from gravitational waves contain valuable information about their formation pathways. In this study, we propose a new quantity, the “dimensionless net spin” ( χ N ), which relates to the sum …
View article: Effects of long‐term coal gangue dumping on soil chemical environment and microbial community in an abandoned mine
Effects of long‐term coal gangue dumping on soil chemical environment and microbial community in an abandoned mine Open
Coal gangue hill, a significant anthropogenic interference, can cause various forms of land degradation. The promoting effect of coal gangue on soil qualities has also been discovered. However, few studies investigated the soil properties …
View article: The Heavier the Faster: A Sub-population of Heavy, Rapidly Spinning and Quickly Evolving Binary Black Holes
The Heavier the Faster: A Sub-population of Heavy, Rapidly Spinning and Quickly Evolving Binary Black Holes Open
The spins of binary black holes (BBHs) measured from gravitational waves carry notable information of the formation pathways. Here we propose a quantity "dimensionless net spin" ($χ_{\rm N}$), which is related to the sum of angular momentu…
View article: 16-channel 200-GHz-spacing RW-DFB laser array with low noise and high output power
16-channel 200-GHz-spacing RW-DFB laser array with low noise and high output power Open
We experimentally demonstrated a ridge waveguide (RW) distributed feedback (DFB) continuous-wave (CW) laser array with high output power, low relative intensity noise (RIN) and narrow linewidth for all 16 channels with 200-GHz-spacing. The…
View article: High-performance PCW-DFB laser diodes using offset quantum well epitaxial structures
High-performance PCW-DFB laser diodes using offset quantum well epitaxial structures Open
We demonstrated a high-performance partially corrugated waveguide distributed feedback (PCW-DFB) laser with high output power, low relative intensity noise (RIN) and narrow linewidth. By introducing offset quantum-well structure that provi…
View article: Turn-key Kerr soliton generation and tunable microwave synthesizer in dual-mode Si<sub>3</sub>N<sub>4</sub> microresonators
Turn-key Kerr soliton generation and tunable microwave synthesizer in dual-mode Si<sub>3</sub>N<sub>4</sub> microresonators Open
This study investigates the thermal compensation mechanism in dual-mode Si 3 N 4 microresonators that demonstrates the ease of generation of single-solitons with nearly octave-wide spectral bandwidth. The deterministic creation of soliton …
View article: 1012 Differentiation pathways of exhausted CD8+ T cells in human breast tumors
1012 Differentiation pathways of exhausted CD8+ T cells in human breast tumors Open
Background The majority of patients with either estrogen receptor positive (ER+) or triple negative (TN) breast cancer (BC) tumors demonstrate poor response to immune checkpoint blockade (ICB) therapies. Understanding what features of tumo…
View article: Versatile octave-spanning soliton crystals with high conversion efficiency in a Si<sub>3</sub>N<sub>4</sub> microresonator
Versatile octave-spanning soliton crystals with high conversion efficiency in a Si<sub>3</sub>N<sub>4</sub> microresonator Open
Microresonator-based soliton crystals are a key recent advancement in the study of the rich nonlinear dynamics of soliton states. The soliton crystals are self-organized temporal pulses filling the microresonator cavity and have strong com…
View article: Fully adiabatic polarization rotator-splitter based on thin-film lithium niobate platform
Fully adiabatic polarization rotator-splitter based on thin-film lithium niobate platform Open
A Polarization Rotator-Splitter (PRS) based on thin-film lithium niobate (TFLN) is demonstrated in this work. The PRS consists of a partially etched polarization rotating taper and an adiabatic coupler, which enables the input TE 0 and TM …
View article: Compact thin-film lithium niobate modulators using slotted coplanar waveguide electrode suitable for high-volume fabrication
Compact thin-film lithium niobate modulators using slotted coplanar waveguide electrode suitable for high-volume fabrication Open
Lithium niobate (LN) is a good candidate for fabricating modulators due to its superior material characteristics. However, the application of traditional LN modulators is limited due to their large footprint and low modulation efficiency r…
View article: Narrow linewidth electro-optically tuned multi-channel interference widely tunable semiconductor laser
Narrow linewidth electro-optically tuned multi-channel interference widely tunable semiconductor laser Open
A narrow linewidth electro-optically tuned multi-channel interference (MCI) widely tunable semiconductor laser based on carrier injection is demonstrated in this paper. The MCI laser with a common phase section and a semiconductor optical …
View article: Soil Microbial Diversity of Vegetated Coal Gangue Dump Compared to Nearing Uncultivated and Cultivated Lands in North China
Soil Microbial Diversity of Vegetated Coal Gangue Dump Compared to Nearing Uncultivated and Cultivated Lands in North China Open
View article: Low-power consumption InP-based optical phase arrays with non-uniformly spaced output waveguides
Low-power consumption InP-based optical phase arrays with non-uniformly spaced output waveguides Open
Optical Phase Arrays (OPAs) are expected to be an ideal solution to achieve beam shaping, laser radar (LIDAR), free-space optical communications, and spatially resolved optical sensors, etc. We demonstrated a low-power consumption 32-chann…
View article: Prevalence, incidence and mortality of hypertrophic cardiomyopathy based on a population cohort of 21.9 million in China
Prevalence, incidence and mortality of hypertrophic cardiomyopathy based on a population cohort of 21.9 million in China Open
View article: The Cassiopeia Filament: A Blown Spur of the Local Arm
The Cassiopeia Filament: A Blown Spur of the Local Arm Open
We present wide-field and high-sensitivity CO(1-0) molecular line observations toward the Cassiopeia region, using the 13.7m millimeter telescope of the Purple Mountain Observatory (PMO). The CO observations reveal a large-scale highly fil…
View article: 1160 STING signaling compensates for mutation burden-low tumors to stimulate the immune response
1160 STING signaling compensates for mutation burden-low tumors to stimulate the immune response Open
Background Tumor mutation burden (TMB) is known to predict the immune response, especially tumor-infiltrating lymphocytes (TILs) in various tumor types. Besides, it's also one of the most well-accepted biomarkers to select responsive patie…
View article: CO(J = 1-0) Observations toward the Filamentary Cloud in the Galactic Region of $153.60^{\circ} \leqslant l \leqslant 156.50^{\circ}$ and $1.85^{\circ} \leqslant b \leqslant 3.50^{\circ}$
CO(J = 1-0) Observations toward the Filamentary Cloud in the Galactic Region of $153.60^{\circ} \leqslant l \leqslant 156.50^{\circ}$ and $1.85^{\circ} \leqslant b \leqslant 3.50^{\circ}$ Open
We present observations of $J$=1-0 transition lines of ${ }^{12} \mathrm{CO}$, ${ }^{13} \mathrm{CO}$, and $\mathrm{C}^{18} \mathrm{O}$ towards the Galactic region of $153.60^{\circ} \leqslant l \leqslant 156.50^{\circ}$ and $1.85^{\circ} …
View article: Wide-waveguide high-power low-RIN single-mode distributed feedback laser diodes for optical communication
Wide-waveguide high-power low-RIN single-mode distributed feedback laser diodes for optical communication Open
We present an 8-µm-wide 800-µm-long high-power, single-mode and low RIN DFB laser using a dual-waveguide structure. The introduced passive lower waveguide has weakenes the lateral optical confinement for the ridge waveguide, and thus reduc…
View article: Erratum: “Dual-mode microresonators as straightforward access to octave-spanning dissipative Kerr solitons” [APL Photonics 7, 066103 (2022)]
Erratum: “Dual-mode microresonators as straightforward access to octave-spanning dissipative Kerr solitons” [APL Photonics 7, 066103 (2022)] Open
First Page
View article: Dual-mode microresonators as straightforward access to octave-spanning dissipative Kerr solitons
Dual-mode microresonators as straightforward access to octave-spanning dissipative Kerr solitons Open
The Kerr soliton frequency comb is a revolutionary compact ruler of coherent light that allows applications from precision metrology to quantum information technology. The universal, reliable, and low-cost soliton microcomb source is key t…