639 papers
This paper proposes a method using a single nonlinear feedback loop with low-pass gain and high-pass loss to control multimode mechanical systems, effectively channeling energy into the fundamental mode to achieve Fröhlich-like phonon condensation, amplitude squeezing, and enhanced phase coherence without requiring optical gain media or intrinsic material nonlinearities.
This review surveys recent advances in designing phononic crystals and metamaterials by leveraging symmetry principles at microscopic and mesoscopic scales to precisely control phonon responses for applications ranging from non-reciprocal wave propagation to exotic transport phenomena.
Researchers successfully demonstrated the first observation of narrow-band 1.3 MeV radiation by channeling an 855 MeV electron beam through a boron-doped diamond superlattice acting as a crystalline micro-undulator, a breakthrough that paves the way for generating highly directional 14.5 MeV -ray beams with optimized doping profiles for future 3 GeV accelerators.
This paper reports that the layered diluted magnetic semiconductor (Ba,K)(Cd,Mn)As exhibits bulk ferromagnetism and a colossal negative magnetoresistance of approximately -100% at low fields, establishing it as a promising platform for low-temperature magnetoresistive applications.
This paper proposes a data-driven, unsupervised methodology for automatically identifying optimal defect-representative images in infrared thermography by utilizing three complementary statistical and morphological metrics—the Homogeneity Index of Mixture, Representative Elementary Area, and Total Variation Energy—to overcome the limitations of conventional evaluation methods that require prior knowledge of defect locations.
This paper presents a resist-free Josephson junction fabrication method using etched silicon trenches that eliminates chemical contamination, achieves median energy relaxation times up to 184 microseconds, and offers a CMOS-compatible, scalable alternative to traditional polymer-masked processes for superconducting qubits.
This paper presents a GPU-accelerated ultrasonic goniometry method that utilizes a plane-wave model, optimal zeroth-order bounds, and a wave-fitting approach to efficiently characterize the general anisotropic elasticity of materials without requiring precise sample alignment.
This paper reports the first experimental realization of time-domain Bound States in the Continuum (BICs) using a time-modulated transmission-line network, demonstrating how a sinusoidal wave naturally evolves into a localized, anti-symmetric state with decaying oscillations despite the symmetric modulation.
PoreDiT is a novel, scalable generative model that leverages a 3D Swin Transformer to efficiently reconstruct gigavoxel-scale digital rocks with high physical fidelity on consumer-grade hardware, overcoming traditional trade-offs between resolution and field-of-view.
This paper presents a compact, all-fiber erbium-doped laser utilizing nonlinear polarization rotation to achieve continuously tunable and deterministically switchable multi-wavelength mode-locking, enabling flexible spectral control from single to seven wavelengths for applications in dense wavelength-division multiplexing and photonic signal processing.
This paper presents a scalable method for geolocalizing buried fiber-optic cables with sub-meter accuracy by fusing Distributed Acoustic Sensing (DAS) measurements of traffic-induced seismic signals with vehicle trajectory data to estimate fiber geometry through physics-based optimization.
This paper demonstrates that integrating nature-inspired hyperuniform nanohole patterning into the front glass of planar perovskite solar cells significantly enhances broadband light absorption and power conversion efficiency to 23.62% by optimizing light redistribution and angular tolerance while preserving electronic interfaces and maintaining robustness against fabrication-induced disorder.
This work demonstrates that back-end-of-line compatible, indium-free thin-film transistors featuring sub-10 nm tungsten-doped tin oxide channels deposited via low-temperature atomic layer deposition achieve superior performance and stability, particularly after post-fabrication oxygen annealing, making them a promising platform for monolithic 3D integration.
This study demonstrates that doping neopentyl glycol with 1 mol% pentaerythritol reduces thermal hysteresis and supercooling in barocaloric molecular crystals by increasing microstructural disorder and nucleation events, as revealed through combined infrared thermography and polarised light microscopy.
This paper proposes and validates a model-free control strategy for managing oxygen stoichiometry in proton exchange membrane fuel cell air supply systems, demonstrating its effectiveness and robustness through numerical simulations under varying operating conditions and parameter uncertainties.
This paper proposes a method to emulate isotropic-to-anisotropic photonic time interfaces using isotropic-to-isotropic spacetime modulations in subwavelength multilayers, thereby enabling real-time control over wave propagation direction and effective permittivity tensors without requiring direct access to anisotropic material properties.
This paper presents an energy-efficient artificial neuron based on annealing-optimized Ag/HfZrO memristors that exhibits multiple spiking functionalities, including leaky integrate-and-fire behavior and various coding modes, using a simple circuit without additional electronic overhead.
This paper demonstrates that gain-enhanced interband photomixing in quantum well PIN photodiodes enables the monolithic integration of compact, scalable, and high-performance terahertz generation and detection systems, overcoming the size and cost limitations of current technologies to facilitate widespread applications in communications, sensing, and medical diagnostics.
This study demonstrates that combining laser-enhanced contact optimization (LECO) with optimized firing temperatures effectively mitigates the high contact resistance and limited performance of cavitated fine-line Ag paste in PERC solar cells, thereby recovering fill factor and enabling practical low-silver metallization.
This paper proposes and numerically validates a practical characterization technique using frequency resolved optical gating (FROG) with an optical parametric amplifier to simultaneously recover the complex temporal mode shapes and quadrature variances of ultrafast temporally multimode squeezed states without requiring constraining assumptions.