Researchers developed innovative RE³⁺-doped monolithic glasses capable of tunable full-color emission under NIR laser excitation. These glasses overcome key obstacles faced by existing technologies and demonstrate the potential as materials for dynamic, full-color laser-based volumetric displays.
A self-assembling nanoplatform, M@P, has been designed to target tumor cells and induce immunogenic cell death through pyroptosis and ferroptosis. The nanoplatform promotes a robust systemic antitumor immune response by producing tumor-specific antigens and maturing dendritic cells.
Researchers have designed and demonstrated a large aperture, wide field of view eyepiece based on meta-optics, addressing challenges in miniaturizing and enhancing imaging systems. The doublet system employing two layers of meta-optics achieves high-quality imaging up to 60° full field of view.
Researchers developed push-pull azobenzenes that interact with the lipid bilayer and induce light-dependent membrane potential changes. The molecules' ability to partition into membranes and undergo isomerization allows for precise modulation of surface charge, enabling non-invasive cell stimulation.
Researchers have developed novel strategies to enhance THz nonlinearities in graphene-based structures, increasing third harmonic generation up to 30 times. A multilayered design and metasurface substrates were used to amplify the THz field, leading to a two-order magnitude increase in efficiency.
Researchers explore the contribution of exceptional points to electro-optic tunability, modulation, and nonreciprocal responses in silicon microring. A novel EP system enables precise phase-sensitive control of coupling between clockwise and counterclockwise modes, leading to enhanced amplitude modulation.
A team of scientists has experimentally generated various topological structures in water waves, including skyrmions, merons, Möbius strips, and vortices with different topological charges. These findings have the potential to revolutionize microfluidics and biomedical engineering.
Researchers developed a portable telescopic system with a 5cm diameter concentric-ring metalens, achieving high-resolution detection within a 20° field of view. The design features an image-side telecentric optical system and a front aperture stop to reduce edge ray aberration, resulting in a PSF with MTF > 0.4 @ 46lp/mrad.
Scientists achieved a quantum imaging breakthrough with an ultra-thin nonlinear metasurface, combining ghost imaging and all-optical scanning methods to reconstruct images with exceptional resolution. This approach eliminates the need for bulky nonlinear crystals and enables compact, highly tunable platforms for quantum imaging.
Yb³⁺ doping enables efficient NIR upconversion by suppressing multiphoton emissions and directing photons into the optimal response band of silicon solar cells. A core-shell structure design integrates multiple fluorescence conversion layers, expanding the SSC response range and enhancing photovoltaic efficiency.
A new study reveals that gamma-ray exposure can passivate some defects while activating others, leading to improved recombination dynamics. The concentration of dominant 0.5 eV defects decreases with increasing dose, while the diffusion coefficient increases by orders of magnitude.
The metaAgent system leverages various sensors to interpret environmental information and independently execute actions, such as real-time user tracking and vital sign monitoring. It utilizes large foundation models to reason and plan tasks without human intervention.
Researchers have developed a CQD-based SEL array with low lasing threshold, high stability and high integration density of up to 2100 PPI. The new design features a graded alloyed core-shell structure and circular Bragg resonator, resulting in enhanced optical field confinement and Purcell effect.
Researchers introduce a novel concept harnessing nonlinear non-reciprocal susceptibility to achieve high-performance optical isolation, setting new records. The study demonstrates an ideal optical isolation ratio of 63.4 dB and an isolation bandwidth exceeding 20 dB of 12.5 GHz.
Researchers review optical sectioning methods for 3D bioimaging, emphasizing coaxial and off-axis imaging techniques. The study reveals that off-axis imaging outperforms coaxial imaging in thick samples with detailed features close to the resolution limit.
Researchers develop a nano-heater aligned to one arm of the micro-resonator for deterministic, dynamic tuning of chirality and precise phase-only control. This leads to enhanced electro-optic amplitude modulation in photonic integrated circuits, reducing energy consumption and simplifying circuit design.
A team of researchers created a high-efficiency broadband light absorber within an ultrathin amorphous silicon layer embedded with silver nanorings, achieving over 100% photonic enhancement. Machine learning techniques were used to optimize the design, significantly reducing computational resources needed for metamaterial design.
Ultrafast nano-spectroscopy and nano-imaging enable atomic-scale spatial and femtosecond-level temporal resolutions, allowing for the direct observation of fleeting quantum states and complex phenomena. This breakthrough permits real-time exploration of ultrafast interaction processes with unprecedented insights into material properties.
Researchers develop phase-matching-free technique for generating octave-spanning coherent broadband light using ultrathin crystals. The innovation produces a light source with superior coherence and efficiency compared to conventional methods.
A new MOSCap device using Hafnium diselenide replicates neuron-like adaptive behavior and memory retention, enabling faster data processing and adaptive capabilities. The device maintains its data stability under stressing conditions and preserves data after removal of light stimuli.
Researchers explore the application of orbital angular momentum in optical metrology, enabling new paradigms in measurement such as 3D particle position tracking and rotational movement detection. The field also holds promise for quantum metrology and real-time analysis of complex media with machine learning and AI.
Researchers developed a high-power tunable laser on silicon photonics, reaching close to 2 Watts of output power. This achievement has the potential to disrupt the field of photonics and enable large-scale deployment of integrated photonics systems.
Researchers have proposed a novel strategy utilizing ICT between D-A molecules to enhance IR photodetection. The approach leads to elevated EQE in the polaron absorption region and strong low-energy subgap absorptions, offering a pathway to high-performance next-generation IR photodetectors.
Researchers have developed a novel imaging device called Nonlocal-Cam that extracts additional spectral and polarization information, empowering new applications in machine vision and microscopy. The camera leverages nonlocal dispersion in optically active materials to capture hidden data.
Researchers developed a breakthrough optical technology, SC-PVVBs, that can carry vast amounts of information, making them ideal for dense data communication systems. The technology overcomes conventional optical beam limitations by locally patching spatial frequency to create multiple data channels.
Extended Depth-of-Field Random Illumination Microscopy (EDF-RIM) offers a breakthrough in fluorescence microscopy, combining super-resolution with extended depth-of-field detection. This innovation allows for efficient imaging of large and complex 3D structures, minimizing light exposure and acquisition time.
Scientists develop high-performance Sb2S3 solar cells using additive engineering, achieving record-breaking 17.55% efficiency under 1000 lux illumination. The innovation enables sustainable power for IoT devices and holds promise for environmental-friendly energy harvesting.
Researchers develop inverse design method for metasurfaces, controlling nonlocal behavior and structure complexity. Smooth boundary deformations ensure compatibility with fabrication processes.
A team of researchers found that attosecond angular streaking measurements are closely related to the statistical distribution of momentum/energy of electron wave packets generated by quantum tunneling. The Coulomb focusing effect disrupts this correspondence, revealing new insights into sub-barrier tunneling dynamics.
A new thermochromic hydrogel design can regulate both solar transmission and rapid visible-light stealth at any temperature, with potential applications in energy-efficient windows, military equipment, and anti-counterfeiting. The innovation enables fast response times of just 1 second.
Color-conversion displays have gained prominence in the industry due to their advantages such as high brightness, wide color gamut, and improved contrast ratio. Researchers are focusing on advancements in color conversion Micro-LED displays to commercialize this emerging technology.
Researchers developed a new biocompatible sensor substrate enhancing fluorescent tags without disrupting cell function. The Ag nanoislands protected by silica overlayer increase signal ten million times, suitable for environmental pollutant detection and medical diagnosis.
The DEEPscope microscope combines two-photon and three-photon microscopy techniques to capture large-scale neural activity and structural details. Researchers achieved single-cell resolution imaging across extensive brain regions, observing over 4,500 neurons in deep cortical layers of transgenic mice.
Research on optical neural networks (ONNs) has made significant progress, addressing challenges of low integration, stability, and portability. ONNs offer advantages over modern computing hardware, enabling strong computational support for societal development.
The LDSP framework integrates deep learning optimization into traditional DSP, achieving substantial improvements in performance and efficiency. It optimizes DSP parameters globally using backpropagation algorithms, resulting in enhanced compensation for linear and nonlinear performance.
A team of scientists has developed a fiber-optic drug delivery strategy that targets cancer tumors with high precision and efficiency. The system uses photons, photothermo-sensitizers, and chemotherapeutics to induce localized hyperthermia, releasing encapsulated drugs and ensuring minimal side effects.
Researchers have developed a new planar spectral singlet lens that unifies optical imaging and spectrometry, enabling simultaneous data acquisition. The device uses planar liquid crystal optics to achieve precise phase controls and spectral filtering, resulting in high-quality hyperspectral images.
Researchers developed a new biocompatible sensor substrate using Ag nanoislands protected with column-structured silica, increasing fluorescence and Raman signals by 10 million times. The technique enables non-invasive monitoring of biological processes without disrupting cell function or causing damage.
Researchers designed a multipass cell with dense spot patterns to enhance laser absorption spectroscopy gas sensors. The new design achieved high sensitivity and selectivity, enabling the detection of methane at low levels.
A meta-imaging camera has been developed for aberration-robust monocular passive depth sensing, outperforming traditional light-field cameras in depth estimation precision and robustness. The camera's capability to overcome spatial resolution and angular resolution trade-offs enables accurate depth sensing even in the presence of optic...
A team of scientists has reported the experimental observation of a nonlinear fractal higher-order topological insulator, which supports a rich variety of topological corner states. The fractal structure can exhibit hybrid corner states and co-existing outer corner states with different internal structures.
Researchers have developed dielectric metamaterials exhibiting effective self-duality and full-polarization omnidirectional Brewster effect. These materials enable impedance matching with free space, eliminating birefringence despite significant anisotropy in dispersion.
A recent breakthrough in ultra-broadband diffractive imaging has enabled the handling of unknown probe spectra, overcoming constraints on non-dispersive specimens. This innovation provides a nearly fourfold improvement in bandwidth over current mono CDI methods.
A team of scientists developed a method to increase the light collection efficiency in multicore optical fibers by thermally modifying them. This results in more than five times higher signal-to-noise ratio and significant gain in image contrast, making it suitable for minimally invasive medical procedures.
A new optical time-stretch quantitative interferometry (OTS-QI) system records surface morphology during laser polishing with nanosecond-level temporal resolution. The system achieves remarkable measurement speeds exceeding 100 million times per second while preserving accuracy comparable to existing white light interferometers.
Researchers developed a novel side-polished fibre pump combiner that achieves high coupling efficiency and stabilizes Mid-IR laser operation. The design effectively distributes heat load across the polished fibre area, enabling long-term stable operation with low excess losses.
Researchers developed a wavelength sensor using photocurrent waveforms, achieving precise wavelength recognition with an error rate below 0.1%. The approach offers valuable insights for future spectrum optoelectronic devices.
Researchers have discovered a giant infrared bulk photovoltaic effect in tellurene, allowing for broad-spectrum neuromodulation. The study found that tellurene nanomaterials can elicit action potentials under broad-spectrum light irradiation, comparable to electrical stimulation.
Researchers develop laser solid-phase synthesis technique to produce graphene-shell encapsulated CrMnFeCoNi nanoparticles, exhibiting excellent electrocatalytic activity towards oxygen evolution reaction. The method offers simplicity, generality, and tunability to synthesize phase-separation-free HEA nanoparticles.
Scientists have created a method to switch between optical pulling and pushing forces by altering the shape of Fermi arcs in topological photonic Weyl systems. This approach enables a stable optical pulling force effective across various particle types, regardless of size, shape, or refractive index.