Researchers created an enhanced VCD sensing platform using chiral metamaterials to improve detection of chiral molecules in mixtures. The technology achieved a 6-magnitude enhancement and demonstrated high selectivity for protein secondary structures.
A team of researchers demonstrated a 1 Terabit per second line-rate over a wireless distance of 53.42 km using advanced optical modulation formats. Adaptive optics mitigation technique improved received optical power, enabling high data-rates despite atmospheric turbulence.
Researchers have developed a novel electrically pumped edge-emitting laser chip with unprecedented performance, achieving single-mode output power levels of 400 mW at room temperature. The device uses PT-symmetry to suppress higher-order modes, maintaining beam quality comparable to narrow waveguide devices.
Researchers developed an electrically-pumped compact topological bulk laser for single-mode emission and cylindrical vector beams. The device utilizes band-inverted topological band edges that support high quality factors, enabling miniaturization and single-mode laser emission.
Researchers developed chemiluminescent carbon nanodots (CDs) that exhibit excellent in-vivo imaging quality and bacteriostatic rate against various bacteria. The CDs can be used as activatable imaging agents for inflammation-related ROS detection and have potential applications as nanomedicine for antibacterial treatments.
A new technique, FBS-IDT, enables high-resolution imaging of intracellular tau aggregates in their native environments. It demonstrates potential correlations between tau fibrils and lipid accumulation, offering a cost-effective solution for neurodegeneration research.
Scientists develop a new technique for in-plane anisotropic excitation and propagation of hyperbolic polaritons, breaking mirror symmetry without low crystalline symmetry. This enables dynamic control over light guiding and propagation on the nanoscale.
Researchers have developed a novel technique to reduce rigid tip length in endoscopes using flat meta-optics. The new design enables full-color imaging with a wide field of view, long depth of field, and short rigid tip length, opening up new possibilities for minimally invasive operations and experimental surgeries.
A team of scientists has developed soft, bi-directional neural interfaces using non-conventional polymers to transmit infrared light, allowing for simultaneous stimulation and recording of brain activity. The developed implants show minimal tissue inflammation and can be used in chronic experiments to study brain circuitry.
Researchers developed a machine learning technique called APT that significantly reduces data acquisition and computation time for imaging integrated circuits. This enables detailed images to be captured in just a few minutes, compared to hours or days using traditional methods.
Researchers utilized terahertz emission spectroscopy to explore properties and dynamics of quantum materials, such as superconductors and magnets, as well as graphene and metal nanostructures. The method revealed hidden material behaviors, enabling the discovery of exotic properties and phenomena in emerging materials.
The team created a new technique using Compton scattering to generate high-resolution images of biological structures at very low X-ray doses. This method allows imaging to be performed at less than 1% of the X-ray damage threshold of the specimen, enabling images with a resolution of 70 nanometres.
Spatiotemporal vortices of light feature azimuthal phase dependence and are associated with optical OAM. Researchers have made significant progress in understanding and controlling these phenomena for various applications.
Researchers have developed an unsupervised learning-based optical fiber imaging system that can recover high-fidelity images from degraded or scrambled speckle patterns without paired labeling. The system, named Restore-CycleGAN-GALOF, achieves nearly artifact-free and robust full-color image transport through a meter-long optical fibe...
Researchers discovered nonlocal effects in large semiconductor nanocrystals, reducing Auger recombination rate exponentially, achieving high biexciton efficiency of up to 80% in CsPbBr3 nanocrystals. This discovery provides a guideline for fabricating advanced quantum emitters.
Researchers developed apochromatic X-ray lenses with sub-micrometer accuracy, achieving focus over an X-ray energy range from 7 to 12 keV. The technology holds promise for laboratory and accelerator-based applications in materials science, energy sciences, and biology.
Researchers have developed a single sensing-storage-processing node using solution-processable MoS2-based metal–oxide–semiconductor devices, mimicking the human visual system. The device can optically sense, store, and process data, improving response time, area, and energy efficiency.
Researchers from Zhejiang University have developed a compact spectrometer that integrates multiple taper tips for hyperspectral imaging. The spectrometer utilizes complex leaky modes speckles projected from a curved microfiber taper tip to uniquely determine the wavelength of the input signal.
A team of researchers has proposed a new method for dispersion control using a single metasurface device, enabling an ultra-thin spectrometer with nanometer resolution. The device uses gold nanorods with spatially variant orientations to accurately map wavelengths to different positions on the focal plane.
A team of scientists has proposed a dispersive Jones matrix method for independent phase manipulations on any desired orthogonal polarization channels at predefined discrete wavelengths. This enables the generation of achromatically focusing spots over three pairs of arbitrarily chosen orthogonal polarizations on spatially separated ch...
Researchers have made a significant breakthrough in wave chaos research, unveiling a new platform for studying dynamical localization transitions in periodic cavity arrays. The study explores the wave chaos of deformed optical microcavities coupled to crystalline momentum, revealing potential implications for quantum information and co...
A diffractive optical network-based multispectral imager offers virtual spectral filter arrays, preserving spatial information and yielding an image cube without reconstruction algorithms. The system achieves ~79% average transmission efficiency across distinct bands.
Brown University researchers have developed a new microscopy technique using blue light to measure electrons in nanoscale materials. This breakthrough overcomes a longstanding problem, allowing for more efficient semiconductors and electronics.
A team of scientists has proposed a new structure based on silicon photonic grating arrays to generate Bessel Gaussian beams with long propagation distances, measured up to 10.24m. The compact device enables widespread applications in optical communication and micro-manipulation.
A new CLEM approach uses small gold nanoparticles as single probes visible in both LM and EM with high contrast and photostability. This method detects individual nanoparticles with nanometric precision, enabling accurate correlative microscopy workflows without the need for unstable fluorophores or additional fiducial markers.
Researchers have created a new device that harnesses the power of reversible doping to create high-performance photodiodes. By exploiting ionic charge imbalance in perovskite layers, they can selectively dope nearby 2D materials, enabling switchable polarities and efficient carrier extraction.
Scientists have created a novel method to fabricate miniature optical fibers (MNFs) with high precision and minimal loss. The technique utilizes plasmonic heaters embedded in metal plates to heat the fibers, eliminating the need for bulky components like translation stages or flame burners.
Scientists at the Light Publishing Center discovered that elliptically polarized pulses can create larger concentrations of anisotropic nanopores in silica glass. This breakthrough allows for faster and lower-energy data storage in 5D optical systems.
Researchers developed a new reconstruction method for 3D imaging using integrated circuits, enabling non-destructive nanoscale imaging. The approach uses X-ray ptychographic tomography and deep learning to reduce acquisition time and improve fidelity, with potential applications in IC imaging, biology, and material science.
Researchers demonstrate direct experimental measurement of Zak phase from bulk band structure for a synthetic SSH model using frequency axis of light. The study showcases universal characterizing method for exploring topological phases of matter with experimental feasibility and reconfigurability.
Researchers develop unique method for applying angular momentum holography for information multiplexing, enabling unprecedented capacity for optical information processing. The new paradigm allows for spatially modulating waveforms and offers additional security locks, revolutionizing existing optical encryption schemes.
A team of scientists developed a new approach to designing metasurfaces with high-accuracy functionalities using a tandem neural network and iterative algorithm. The design enables the creation of ultracompact devices with quantitative capabilities in imaging, detecting, and sensing applications.
A new paradigm in metasurface design and assembly is proposed, utilizing a knowledge-inherited neural network to inherit physical connections and network correlations among various metamaterials. The method achieves accurate designs for diverse applications, including satellite communication.
A robust phase extraction method for overcoming spectrum overlapping in shearography has been proposed, achieving high-quality phase extraction. The method uses a linearly transformed elliptical window to maximize the use of spectrum information and improve phase extraction quality.
A universal HCl-assistant powder-to-powder strategy has been proposed for rapid and mass preparation of lead-free perovskite microcrystals. The new method achieves high product yield, eco-friendliness, low cost, and thermal- or pressure-free conditions.
Researchers have developed a technique for accelerating ions with lasers using transparent targets, resulting in ultra-short beams ideal for cancer treatment and radiobiology studies. The method has been successfully replicated at two independent laser facilities, showcasing its robustness and potential applications.
Researchers review combination of instrumentation and computational approaches to coherent Raman scattering (CRS), enhancing signal amplification and breaking cross-section limits. Hyperspectral CRS offers potential for deciphering chemical compositions in complex environments, but requires algorithms for information extraction.
The new upconversion time-stretch infrared spectroscopy (UC-TSIR) technique measures high-speed spectral data with improved resolution and increased spectral elements, enabling fast detection of molecular vibration information.
Diffractive deep neural networks enable objects to be classified through unknown random diffusers, offering high speed, parallelism and low power consumption. The single-pixel broadband diffractive network achieved a blind testing accuracy of 87.74% in recognizing handwritten digits.
Scientists have developed a new pathway to explore novel orbital phenomena mediated by higher band topology in synthetic platforms. They discovered the first higher-orbital hotis using photonic breathing kagome lattices, exhibiting unique topological features and perspectives.
Researchers developed a new method combining pMINFLUX microscopy with graphene energy transfer, enabling axial precision of less than 3 angstroms. This allows for the study of molecular structures and dynamics at the nanoscale, fundamental for understanding cellular biomolecular reactions.
The study introduces a novel SC-ASC strategy for fabricating high-quality perovskite single crystal arrays with precise control over shape, resolution, and position accuracy. The method enables the growth of high-Q-factor lasers and stable photodetectors.
A team of scientists developed a ground-breaking method for chip-scale spectrometry that surpasses the traditional resolution-bandwidth trade-off. By leveraging a pair of tunable micro-ring resonators, the proposed scheme achieves high spectral resolution of 40 pm throughout a bandwidth of 100 nm.
Researchers developed a new label-free UV microscopy technique that provides superior contrast for cellular-scale biological research. The method uses c-band ultra-violet (UVC) light to enhance image contrast and extract quantitative information from biological samples.
Researchers have developed AI-based virtual staining technology to digitally generate histological stains, eliminating labor-intensive preparation steps, lengthy turnaround time, high costs, and inconsistent outcomes. This emerging field has the potential to improve diagnosis accuracy and speed patient outcomes.
The study demonstrates the universality of the Feynman-Tan relation for describing elementary excitation spectra of strongly interacting Bose gases, including those with large mass imbalances. High-order Bragg spectra are used to measure the resonance frequency shift in moderate interaction regions.
Scientists have engineered electrically tuneable arrays of nanoparticles called 'metasurfaces' that can offer significant benefits over current liquid crystal displays. The metasurface cells replace the liquid crystal layer, reducing energy consumption by 50% and offering a tenfold greater resolution.
Researchers developed a new ultrafast planar imaging camera, capturing the fastest 2D movie of laser-flame dynamics at 12.5 billion frames per second. This achievement overcomes current limitations in combustion science and opens doors to studying various phenomena in physics, chemistry, biology, and medicine.
Researchers create novel method for chiral optical property tailoring by employing fs laser 3D direct writing on glass, enabling localized modifications without surrounding damage. The technique utilizes form birefringence and stress field to induce optical chirality, offering a new approach for 3D laser manufacturing.
Researchers developed a miniaturized viscometer using GaN optical device and bendable strip, achieving an ultra-wide viscosity range of 10^0 - 10^6 mPa·s. The viscometer demonstrated real-time monitoring capabilities and low sample consumption, making it suitable for practical applications.