Wuhan National Laboratory for Optoelectronics

Coordination Competition Couples Oxygen Vacancy‐Rich SnO x With Isolated Cu–N Sites for CO 2 ‐to‐formate Electroreduction

ABSTRACT Selective CO 2 ‐to‐formate electroreduction requires oxygen‐deficient SnO x sites that stabilize O‐bound * OCHO intermediates while resisting cathodic over‐reduction. Here, we use a precursor‐level coordination competition strategy to construct an oxygen vacancy (O v )‐r...

Friction and Tribocorrosion Behavior of Fe-Cr-B Alloys Fabricated via Extreme High-Speed Laser-Induction Hybrid Cladding

Fe-Cr-B coatings were fabricated using laser-induction hybrid cladding and extreme high-speed laser-induction hybrid cladding (EHIC), and their microstructural evolution, dry friction performance, and tribocorrosion behavior were systematically investigated. The results indicate...

Defect-engineered lithium-coated BaTiO3 to enable high oxide-ion conduction in LT-SOFC

Solid oxide fuel cells (SOFCs) are emerging as transformative electrochemical energy conversion technologies owing to their superior efficiency, fuel versatility, and minimal environmental impact. Enhancing SOFCs for efficient performance at low temperatures (LT, 420–520 °C) requ...

Single-nucleus transcriptomics uncovers region-specific molecular features underlying selective aging vulnerability of cholinergic neurons

Cholinergic neurons exhibit functional and molecular heterogeneity across the basal forebrain (BF), midbrain (MB), and brainstem (BS), while the aging-associated transcriptional features remain poorly characterized. Here, we performed single nucleus RNA sequencing (snRNA-seq) on...

Reframing decentralized diagnostics with a programmable multi-dimensional microfluidic system

Decentralized diagnostics are vital for infectious disease control, yet current point-of-care tools remain largely one-dimensional, failing to capture the multidimensional profiles required for precision management. Here, we show SID-WAVES (Smartphone-Integrated Diagnostics with...

A noncontact air-floating system with pneumatically modulated excitation for controllable vibration of flexible substrates

Vibration can promote droplet spreading, accelerate liquid leveling, and improve liquid-film morphology, but most existing excitation methods rely on contact. In precision manufacturing of flexible substrates, however, contact is often prohibited. To address this limitation, this...

Launching the Optoelectronics Journal

The past decade has witnessed transformative progress across optoelectronics, where photon-electron transduction underpins core infrastructure for high-capacity optical communications, advanced imaging, distributed sensing, quantum technologies and emerging AI photonic hardware [...

PDSVF: Prompt-driven SAM-Med2D with parallel ViT and state-space fusion for skin lesion segmentation

Accurate segmentation of skin lesions in dermoscopic images underpins computer-aided diagnosis of skin cancer. The task is difficult: lesions show blurred, low-contrast boundaries, vary widely in scale, shape, and color, and are often obscured by hair and other imaging artifacts....

Percolation‐Driven β ‐Relaxation Enables Resonant Acceleration of Crystallization in Amorphous Phase‐Change Materials

ABSTRACT Amorphous phase‐change materials enable fast and reversible switching in optical and electronic devices, yet crystallization kinetics are still controlled primarily through empirical thermal protocols. Here we identify a microscopic picture governing crystallization in t...

Over 20% Efficiency in As–Cast Organic Solar Cells Enabled by Flory–Huggins Parameter Engineering

ABSTRACT The realization of high–efficiency as–cast organic solar cells (OSCs) represents a key step toward simplified processing and scalable fabrication for commercialization. However, achieving high–performance as–cast devices remains challenging because it demands delicate ba...

Holistic co-design of fibre-optic distributed acoustic sensing and coherent communication

Integrating sensing into communication is crucial for the fully-connected and intelligent development of modern life. However, existing fiber-optic sensing and communication systems merely coexist without inadequate resource sharing, resulting in limited scalability for large-sca...

High-field magnetotropic signatures of spin and orbital-current magnetism

Abstract Magnetic anisotropy encodes key information about the angular dependence of the magnetic free energy, but its quantitative characterization often requires probes beyond conventional magnetometry. Magnetotropic susceptibility offers a thermodynamic route to this problem....

Self‐Passivating Perovskite‐Electrode Interfaces Enabled by Field‐Induced Phase Transformation

ABSTRACT Halide perovskites are promising semiconductors for optoelectronic and radiation‐detection applications, yet their operational stability is often constrained by dynamically uncontrolled electrode/perovskite interfaces under electrical bias. Here, we report a self‐passiva...

Unrepeatered remote Φ-OTDR system with single-ended amplifier using hollow-core leading fiber

Phase-sensitive Optical Time Domain Reflectometry (Φ-OTDR) is widely used for monitoring critical infrastructure. However, conventional Φ-OTDR systems are limited by fiber nonlinear effects, which restrict the probe pulse energy and thus limit the sensing distance. To overcome th...

Security risks of VOA-induced luminescence in chip-based quantum key distribution

Integrated photonics is widely regarded as a key enabler for scalable quantum key distribution (QKD), offering compactness, stability, and compatibility with semiconductor fabrication. Despite rapid advances in chip-based QKD, the implementation security of integrated photonic co...

Universal Reconfigurable Diffractive Photonic Chip for Multi‐Modal Optical Computing

ABSTRACT Optical computing represents a transformative hardware paradigm for the post‐Moore era, exploiting its inherent advantages of high speed, low power consumption, and intrinsic parallelism. Nonetheless, state‐of‐the‐art integrated optical computing systems suffer from crit...

Waltz: Temperature-Aware Cooperative Compression for High-Performance Compression-Based CSDs

Data compression is widely adopted for modern solid-state drives (SSDs) to mitigate SSD lifetime issues. Researchers have proposed compression schemes at different system layers, including device-side solutions like CCSDs ( c ompression-based c omputational S SD s) and compressio...

Highly Tunable Schottky Barrier to 2D Semiconductors Enabled by an Inorganic‐Molecular‐Crystal Tunneling Layer

ABSTRACT Effective tuning of the Schottky barrier, which determines charge transport across the metal‐semiconductor interface, is essential for optimizing the performance of electronics and optoelectronic devices. However, interfacial disorders and orbital overlap between metals...

FLASH: Ultrafast Beam Quality Characterization via Spatial‐to‐Temporal Mapping

ABSTRACT Accurate and real‐time monitoring of spatial beam quality is the absolute prerequisite for intelligent optical field regulation and advanced laser applications. However, modern high‐power and multimode laser systems can exhibit rapid pulse‐to‐pulse fluctuations in their...

Buried Layer Enhances Interfacial Dipole Toward Ultrabright Blue Perovskite Light‐Emitting Diodes

ABSTRACT The emerging micro‐displays and visible light communication demand light‐emitting devices capable of simultaneously achieving high efficiency and ultrahigh brightness under high current injection. Lead‐halide perovskite light‐emitting diodes (PeLEDs) are intrinsically ca...