91 papers
This paper presents a fast and robust authentication method for optical Physical Unclonable Functions (PUFs) that utilizes the Scale Invariant Feature Transform (SIFT) algorithm to reliably extract unique features from speckle patterns, enabling secure verification even under geometric distortions like rotation, zooming, and cropping.
This paper demonstrates a compact, passive, and fully optical nonlinear neuron activation function using PPLN nanophotonic waveguides that achieves 80% conversion efficiency and enables high-speed, scalable all-optical neural networks capable of matching digital performance in real-world tasks.
This paper introduces a compact, modular memristor model that integrates volatile memory, synaptic-like plasticity, and a principled Laplace transform-based mapping to accurately simulate complex neuromorphic dynamics validated against experimental polymeric memristor data.
This paper proposes the existence of a novel interfacial topological quasiparticle called the "Janus skyrmion," which features coexisting asymmetric helicity structures at magnetic interfaces and exhibits unique one-dimensional dynamics driven by spin currents and thermal fluctuations without the skyrmion Hall effect.
This theoretical study demonstrates that pulse-duration-sensitive high harmonic generation in the chiral Weyl semimetal RhSi not only extends to higher photon energies by promoting multi-band excitations but also enables the synthesis of attosecond locally chiral light with pronounced circular dichroism, offering a pathway toward compact chiral light sources and topological electronics.
This paper introduces an erasure-Pauli channel model to derive rigorous bounds on the optimal two-way assisted rates of polarization entanglement distribution in optical fibers, establishing a benchmark for long-distance quantum communication that remains robust against polarization mode dispersion and detector dark counts.
This paper identifies that measurement-feedback Ising machines suffer from a significantly reduced range of effective hyperparameters compared to their time-continuous analog counterparts due to discrete operation, and proposes an experimentally verified method to mitigate this sensitivity.
This study investigates an anomalous back discharge phenomenon in dielectric barrier corona discharges under unipolar half-sine voltage excitation, utilizing an ionic wind model and extensive experiments to demonstrate how voltage polarity, dielectric thickness, and geometric factors influence the timing and amplitude of the resulting partial discharge patterns.
This paper outlines recent enhancements to the VOXES Von Hamos spectrometer, including the integration of an energy-dispersive detection line, a liquid-sample holder, and a Y-shaped support for transmission geometry, which collectively expand its capabilities for high-resolution, automated laboratory XES and XAS studies.
This paper introduces MetaMamba, a generative inverse design framework leveraging selective state space models (Mamba) to efficiently synthesize fabrication-ready, five-layer Huygens' metasurfaces with full-phase coverage and high transmission by combining a field-based semianalytical scheme with minimal full-wave simulation data.
This paper presents a semianalytical framework that extends sparse metagrating models to densely packed Jerusalem-cross meta-atoms, enabling rapid, full-wave-validated synthesis of fabrication-ready, dual-polarized Huygens' metasurfaces through an efficient phase-to-geometry lookup table and a judicious scaling method for wideband operation.
This paper presents a practical eight-layer planar structure that simultaneously achieves high visible transparency and strong ultraviolet/near-infrared reflection for hot climates, resulting in significant air temperature reduction through spectrally selective solar rejection and radiative cooling.
This paper establishes a per-pixel optogeometric throughput factor, , to explicitly map scene radiance to incident photon counts at the detector level, thereby defining the fundamental shot-noise-limited signal-to-noise ratio bounds for individual pixels based on optical geometry.
This paper presents a hybrid fabrication method that integrates monodisperse lanthanide-doped microparticles into silicon nitride waveguide wells to generate broadband C-band spontaneous emission, achieving a 0.25% coupling efficiency and offering a scalable route for on-chip active light sources.
This paper presents a low-power, cost-effective diffractive optical system that integrates a passive diffractive layer with a shallow neural network to remotely and accurately reconstruct 3D structural vibration spectra, overcoming the scalability and complexity limitations of traditional Structural Health Monitoring solutions.
This study demonstrates through numerical simulations that while an 8-bit resolution is sufficient for optical Ising machines, surprisingly, using a 1-bit resolution modulator actually enhances performance across various benchmark optimization problems.
This study demonstrates that Parylene C thin films exhibit an ultralow thermal conductivity of 0.10 W/m-K that can be tuned to 0.18 W/m-K via post-annealing-induced crystallization, establishing the material as a superior insulator for advanced microelectronics packaging.
This review advocates for the adoption of microphysiological systems (MPS) as advanced, physiologically relevant models to overcome the limitations of traditional methods in assessing nanotoxicity, thereby enabling safer and more reliable risk-benefit evaluations for nano-enabled food innovations.
This study reports the first experimental investigation of coherent magnon modes in a 3D-printed ferromagnetic woodpile magnonic crystal, revealing distinct angular dependencies and robust, phase-evolving edge modes localized in curved nanocaps that advance the prospects for topological nanomagnonics.
This study reports the fabrication of a wafer-scale amorphous silicon carbide thin film with a record-breaking ultimate tensile strength exceeding 10 GPa and room-temperature quality factors above 10^8, establishing a new benchmark for high-performance nanomechanical sensors and dynamic applications.