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.
Scientists develop a non-volatile photo-memristor with tunable conductance and reconfigurable photoresponse, enabling all-in-one sensing-memory-computing approaches for neuromorphic vision. The device can implement computationally complete logic with photoresponse-stateful operations.
A team of scientists developed a new model for high-power terahertz emissions from laser pulses, observing multi-mJ THz emission from 100-TW-laser-driven LWFA. The correlation between electron beam properties and THz output energy reveals that low-energy but high-charge electrons can produce stronger terahertz radiation.
A new SIM algorithm using principal component analysis (PCA-SIM) has been developed to enhance the accuracy and efficiency of real-time live-cell imaging. The algorithm achieves more accurate parameter estimation and superior noise immunity compared to conventional iterative correlation-based approaches.
Scientists discovered strong-field-induced dissociation dynamics beyond the well-accepted resonant one-photon dissociation scenario in H2+ molecules. Rabi oscillations lead to different kinetic energy releases through rolling and looping pathways.
Researchers have developed a novel approach for imaging red blood cells and oxygenation using color TSFG microscopy, enabling label-free visualization of RBCs. The technique provides chemically specific contrast and can measure oxygenation dynamics in vivo, with potential applications in medical technology and biological studies.
Researchers have developed a novel technique using forever diamond to generate ultrashort terahertz pulses. The technique, Raman four-wave mixing, produces fs THz pulses with nearly equal quality to the input pulse, offering tunability through pulse modulation.
The study demonstrates a parametric dispersion model and computational methods to efficiently calibrate the fiber's multispectral transmission matrix, reducing the need for dense spectral measurements. This enables precise control over wavelength-dependent light transmission in multimode fibers.
Scientists have experimentally obtained a 2/3-octave-spanning microcomb in the broadband modulational instability state, featuring a spectrum from 1240 nm to 1950 nm and a mode spacing of 10 GHz. They also observed a novel soliton structure in near-zero anomalous-dispersion regime, dubbed 'anomalous-dispersion based near-zero-dispersio...
The C235 color system uses prime numbers to represent red, green, and blue colors, resulting in a more unified and manageable color framework. This system enables the creation of a compressed color wheel with less than 1.2% compression error rate, allowing for efficient representation of all 256^3 colors.
Researchers have developed a technique for confining light in air using Mie voids, a novel building block that can manipulate and control UV radiation. The discovery has significant implications for optical sensing, trapping, and reprogrammable structures, with potential applications in fields like quantum emitters and metamaterials.
Researchers use red-shifted TERS to track tip-induced molecular configurational changes of a single CO molecule on Cu(100) surface, revealing the weakening of C−O bond and tilting angle.
A team of scientists has developed an automated inspection system for the Five-hundred-meter Aperture Spherical radio Telescope (FAST) reflector surface using drones and computer vision. The system uses deep-learning techniques to detect defects on the surface, enabling timely repair and maintaining optimal dish surface quality.
Scientists developed a novel birefringent hydrogel that can continuously tune DUV light, expanding optics to the DUV region for applications in data storage and semiconductor processing. The 2D cobalt-doped titanate LC enables large magnetic & optical anisotropy and high transmittance.
Researchers have developed a highly-sensitive broadband integrated infrared detector using wafer-scale 2D MoTe₂ layers. The device achieves an ultrabroadband detection range of up to 10.6 μm and a room-temperature specific detectivity of over 10^8 Jones in the mid-infrared region.
Researchers have developed a novel terahertz beam steering system utilizing a liquid crystal elastomer (LCE) metasurface that can actively deflect the direction of the incident wave. The LCE metasurface demonstrates outstanding beam steering performance, with an output angle range of 70° to 25° for frequencies between 0.48 and 1.1 THz.
Weyl semimetals exhibit unusual electronic, magnetic, thermal, and optical properties due to their nontrivial topology. They offer opportunities for practical applications in photonic devices, such as compact optical isolators and higher-order harmonic generation.
Research into on-chip lasers has made significant progress, with advancements in material systems and integration technologies. The integration of compact, energy-efficient, and robust laser sources is key to unlocking the potential of photonic integrated circuits. These developments have far-reaching implications for applications in o...
Researchers provide a comprehensive overview of metal halide perovskites' optoelectronic traits and their potential to design multifunctional devices. The study highlights the unique characteristics of MHPs, including tunable optical and electronic features, making them suitable for various applications.
Researchers discuss the development of liquid crystal-based switchable optical devices for light protection, highlighting their advantages over conventional materials. The review article explores various light modulation principles and proposes strategies for improving light protection in different environments.
Researchers developed a non-invasive imaging technique using photoacoustic computed tomography to visualize the rat heart's anatomy and function. The 3D-PACT platform provides high spatial resolution and captures dynamic changes in cardiac structure, chamber size, myocardial wall thickness, and intracardiac flow.
A team of scientists developed a novel integrated photonic platform for THz photonics, integrating active and passive components on the same semiconductor platform. The platform enables efficient signal processing at THz and RF frequencies, with improved performance in critical figures such as dispersion, RF, and thermal properties.
Scientists developed a method to fabricate white perovskite LEDs using lanthanide ions doped CsPbCl3 nanocrystals, achieving a peak luminance of 1678 cd m^-2 and a maximum external quantum efficiency of 5.4%. The LEDs demonstrate excellent performance among existing white PeNCs LEDs from single chip.