Institute of Semiconductors

Turnkey Soliton Microcombs via Self‐Injection Locking in Dual‐Coupled and Interferometric Microring Systems

ABSTRACT This study systematically investigates, via numerical simulations, the self‐injection locking (SIL) characteristics of dual‐ring coupled cavity systems and interferometric microring systems. For the dual‐ring system, we show that the SIL region on the tuning curve splits...

36.5 W high-power 976 nm first-order DFB semiconductor diode

High-power 976 nm semiconductor lasers are the core pump sources for ytterbium-doped fiber lasers (YDFLs). This paper reports a 976 nm distributed feedback (DFB) semiconductor laser that achieves an outstanding high-power continuous-wave (CW) output. Based on an epitaxial structu...

Light‐Assisted Sub‐Coercive Ferroelectric Programming for Reconfigurable In‐Sensor Logic

ABSTRACT Reconfigurable optoelectronic logic devices are attractive for in‐sensor computing, yet their practical deployment is often hindered either by structurally complex heterostructures or by the limited reconfigurability of simple single‐material platforms. Here, we report l...

Time–frequency mode decomposition for wind turbine vibration monitoring under variable speed operation

Wind turbine vibration monitoring under variable speed operation requires separating nonstationary rotor-order components whose frequencies and operating intervals depend on operating state. These components can occupy local support regions in the short-time Fourier transform (ST...

Single-photon controlled phase shifts with colloidal quantum dots at room temperature

Quantum logic gates based on quantum electrodynamics (QED) in strong coupling regime between quantum dots and microcavities are key elements for scalable quantum computing and all-optical quantum networks. Here, a single colloidal quantum dot was site-selectively positioned onto...

Influence of Mg concentration in the AlGaN electron blocking layer on the temperature response of GaN-based near-UV laser diodes

Temperature responses of the output characteristics of GaN-based near-UV laser diodes (LDs) with different Mg concentrations in the AlGaN electron blocking layer (EBL) were numerically investigated over the temperature range of 300–360 K under an ideal-interface assumption. The r...

High-Quality InSb Nanowires Grown by Molecular-Beam Epitaxy via Precise Catalyst Modulation

Abstract Semiconductor InSb nanowires are a major material candidate for topological quantum computation. The nanowires in current devices were mostly grown using metal–organic chemical vapor deposition, which is incompatible with in situ growth of superconductors, a crucial requ...

Single‐Photon Emitters in β‐Ga 2 O 3 at Distinct Excitation Energies: Defect Origin and Photophysical Properties

ABSTRACT Room‐temperature single‐photon emission in beta‐phase gallium oxide (β‐Ga 2 O 3 ) extends the application scope of this ultra‐wide bandgap semiconductor beyond power electronics, opening up the possibility of using it as a quantum light source platform. However, the rich...

Decoupling Ecological and Pathogenic Roles: Helicobacter pylori as a Gastric Hegemon Maintaining Order or Amplifying Dysbiotic Chaos

Abstract Gastric dysbiosis refers to disease-associated alterations in microbial composition and between-individual variability. We postulate that Helicobacter pylori (H. pylori or Hp) exerts a context-dependent ecological effect across the Correa cascade—the histopathological pr...

Gradient‐Mass‐Transfer Synthesis of 2D [Bi 2 CuO 3 ]SO 4 Crystals for Anisotropy Engineering

ABSTRACT The intrinsic physical anisotropy of low‐symmetry materials makes them highly promising candidates for polarization‐sensitive devices. However, their practical application remains constrained by the scarcity of single materials that can combine low symmetry with high per...

Atomic‐Scale Mechanisms of Anisotropic Thermal Decomposition in GeSn Alloys With Stepwise Pinning

ABSTRACT Thermal decomposition of GeSn layers detrimentally affects device performance, while the governing mechanisms remain shrouded by the presence of SiO 2 passivation. In this work, we elucidate the atomic‐scale decomposition of GeSn during thermal degradation using in situ...

PRISM: Feature-Guided Hierarchical Inpainting for Dual-Band Infrared Defective Pixel Clusters

This paper presents a feature-level defective pixel cluster (DPC) correction method specifically designed for dual-band infrared detectors. Due to inherent manufacturing limitations, antimonide-based type-II superlattice (T2SL) focal plane arrays (FPAs) commonly suffer from DPC i...

Encapsulated CsPbBr3 quantum dots with asymmetric chiral magneto-optoelectronic responses

Quantum emitters having non-trivial spin polarizations are highly demanded for chiral quantum devices and quantum photonic technologies. Here we investigate the magneto photoluminescence spectroscopy of perovskite quantum dots encapsulated in silica and report an observation of c...

A Configurable and Highly Efficient NTT/INTT/PWM Unit for CRYSTALS-Kyber and CRYSTALS-Dilithium

CRYSTALS-Kyber and CRYSTALS-Dilithium are representative lattice-based post-quantum cryptographic schemes, where number theoretic transform (NTT), inverse NTT (INTT), and point-wise multiplication (PWM) dominate polynomial arithmetic. Existing hardware accelerators are typically...

Thermally Modulated Microfluidic Fabrication of Phase-Tunable Cs4PbBr6/CsPbBr3 Hybrid Perovskite Nanocrystals for White Light-Emitting Diodes

All inorganic CsPbBr3 perovskite nanocrystals (NCs) exhibit outstanding luminescence for optoelectronics, yet poor environmental stability severely restricts their practical deployment. As a stable derivative phase, Cs4PbBr6 can effectively improve structural stability. Neverthel...

A Microseismic Energy Field Distribution Prediction Method Guided by Geological Structure Priors

Existing microseismic prediction methods commonly incorporate domain prior knowledge as ordinary input features, which makes it difficult to fully exploit its structural constraints and physical implications. To address this limitation, this study proposes a geological-structure-...

PCA–GPR-Assisted Sequential Bayesian Inversion of Slope Mechanical Parameters from Multi-Stage Deep Horizontal Displacement Monitoring

Reliable mechanical parameters are needed to predict deformation during staged slope excavation, yet deep inclinometer profiles are high-dimensional and repeated numerical inversion is costly. This study integrates principal component analysis, Gaussian process regression (GPR),...

An engineered metal-to-insulator transition in a two-dimensional network of degenerate phosphorus quantum dots in silicon

Phosphorus quantum dots (QDs) in silicon are a prominent candidate for semiconductor quantum computing based on donor spins. In this work, we report the formation of degenerate phosphorus QDs with a radius of 3 nm confined in a two-dimensional plane in silicon. A multilayer of Si...

65 TOPS optoelectronic multi-core computing unlocking multi-feature fusion enhancement

The rapid progress of artificial intelligence demands scalable, energy-efficient hardware with massive parallelism and high throughput. Although optical computing offers a promising post-Moore solution, current implementations face speed limitations and multi-core integration cha...