Scientists develop green Micro-LEDs with high brightness and resolution, overcoming energy conversion efficiency limitations. The innovative wafer-scale uniform GaN-on-silicon epilayer technology enables the mass production of high-brightness Micro-LED displays on large size epi-wafers.
Researchers developed a broadband CPL photodetector using an achiral structure to detect left- and right-hand circularly polarized light with an ultrahigh discrimination ratio. The device operates across the entire visible spectrum and can accurately detect small changes in light ellipticity.
A new device has been developed to analyze and control partial coherence in multimode spatial light fields, utilizing integrated photonics platforms and arrays of reconfigurable Mach-Zehnder interferometers. This technology can enhance applications in advanced imaging systems, environmental sensing, and optical communications.
A non-stoichiometric material exhibits color change in response to different ultraviolet light stimuli, demonstrating excitation-wavelength-dependent emission properties. The material can display multicolor afterglow patterns, enabling the development of a new information read-write mode.
The study introduces a reconfigurable simultaneous lightwave information and power transfer (SLIPT) system using a MIMO-based configuration, addressing existing OWC systems' limitations. The system achieves high-speed communication and efficient energy harvesting, enabling autonomous IoT devices in harsh environments.
A new transduction phenomenon allows for precise and nondestructive readout of memory units in crossbar designs. Researchers utilized this feature to achieve accurate reading of resistance states in a 4x4 resistive storage array.
Researchers have developed a new approach to infrared imaging using silicon metasurfaces, enabling broadband imaging across a wide spectrum. This breakthrough technology offers a promising solution for advanced infrared imaging applications, overcoming current limitations of bulky and power-hungry cameras.
Researchers review recent advancements in phase-change VO₂-based thermochromic smart windows, highlighting their potential to balance thermal comfort and lighting. The study covers various doping strategies and fabrication techniques, offering new insights into developing energy-efficient buildings.
Researchers developed OTS-QI technology to record surface morphology during laser polishing with nanosecond-level temporal resolution. The system achieves high spatial and temporal resolution while measuring surface roughness evolution in real-time.
Recent breakthroughs have made microcombs more efficient, enabling portable and easy-to-use devices for various scientific tasks. These devices have enabled applications such as spectroscopy, optical frequency synthesis, astronomical calibration, and LiDAR.
Recent breakthroughs in microcomb design and control enable novel applications in classical and quantum information, including signal generation, spectroscopy, and medical imaging. Microcombs hold promise for transforming various scientific and industrial sectors through precise light and information control.
A novel concept for a hybrid fibre pump combiner is introduced, enabling high-power, long-term stable operation in Mid-IR fibre laser systems. The design leverages evanescent field coupling to overcome the limitations of soft glass fibres.
A team of scientists developed a new method for 3D nanolithography using low peak power laser oscillators, enabling the creation of non-photosensitized materials without photo-initiators. Wavelengths of 517 nm, 780 nm, and 1035 nm are suitable for producing 300 nm polymerized features with high linear writing speeds.
Scientists developed a chiral nanocomposite probe for in vitro UCL/CD dual-mode sensing of H2S and in vivo imaging using upconversion nanoparticles. The ZIF-8 encapsulation shell eliminates interference effects, achieving highly selective detection.
Researchers implement defect-robust multi-channel signal processor by tailoring long-range interactions in topological photonic lattices. This approach enables multichannel topologically-protected edge modes and breaks the trade-off relation between channels and bandwidth, leading to enhanced information capacity.
Researchers investigate underlying mechanisms of photonic phase transitions in one-dimensional Rayleigh scattering systems, uncovering unique laws governing the phenomenon. They propose a model that reveals an analogy between temperature and disorder in magnetic spin glass phases, shedding light on universal phase transition mechanisms.
A team developed an AI system to analyze label-free photoacoustic histological images of human liver cancer tissues, achieving 98% accuracy in distinguishing between cancerous and non-cancerous cells. The integration of PAH with AI reduces tissue biopsy time and enhances reliability.
A team of scientists has proposed a high-precision measurement method for large-aperture optical elements, overcoming limitations of existing techniques. The new method uses laser differential confocal and interferometric techniques to measure multiple parameters with nanometer precision.
Scientists have created an artificial compound eye that achieves real-time panoramic direct imaging and dynamic motion detection, surpassing natural compound eyes. The camera features a 180° field of view, ultrafast angular motion detection, and can be integrated into applications such as obstacle avoidance systems for drones and endos...
Researchers have developed femtosecond laser-induced perovskite precipitation technology, enabling high-precision patterning of perovskite materials. This technology has shown great potential in anti-counterfeiting and information storage, as well as optical displays and micro-LEDs.
Researchers create luminescent labels using strontium aluminate particles coated with H3PO4, which exhibit sustained high signal-to-noise afterglow emission. The labels are delivered into plants through microneedles, enabling efficient recording and storage of plant growth information.
A novel 3D tubular photothermoelectric detector was designed and fabricated, demonstrating enhanced light absorption and heat localization. This leads to improved photo-thermo-electric conversion, resulting in high sensitivity, wide spectral response range, and omni-directional detection capabilities.
Researchers have demonstrated octave-spanning Kerr soliton frequency combs on thin-film lithium niobate, enabling ultrafast spectroscopy and laser frequency synchronization. The development of reliable fabrication guidelines suppresses Raman lasing, unlocking the potential for monolithic and compact comb-driven photonic systems.
The team proposes an approach for arbitrarily controlling the polarization direction and phases of reflected waves in linear and nonlinear ways using a stacked programmable metasurface. They achieved high polarization rotation ranges and demonstrated applications in imaging, data storage, and wireless communication.
A new method of constructing 2D lateral p-n junctions using low-energy ion implantation has been developed, enabling precise modulation of 2D material conductivity and fabricating patterned doping. This technique demonstrates the universality of the method on various 2D semiconductors.
Researchers have developed a novel multi-step facet engineering approach for growing wurtzite-based InGaAs/InP MQW NWs with controlled size, morphology and high crystal quality. This enables the design of controllable nanowire optical cavities, allowing for tunable lasing peaks across the telecommunication O and C bands.
A new dynamic anti-counterfeiting application has been developed based on fluorescent electrophoretic display technology. The device exhibits multifunctional anti-counterfeiting capabilities with a fast response time, high contrast ratio, and bright green fluorescence.
A new study introduces a faster approach to analyzing scattered light, enabling real-time monitoring of medication manufacturing. The technique reduces reconstruction time from 15 seconds to 0.25 seconds and offers a low-cost non-invasive particle size probe for efficient production.
Researchers developed a novel adaptive optics approach to correct dynamical aberrations in optical microscopy, enabling accurate three-dimensional flow measurements. The system reduces measurement uncertainty, paving the way to better understanding water droplet formation and detachment mechanisms for fuel cells.
Scientists use a compact tabletop EUV source to generate directional and spatially moderately coherent illumination for reconstruction in diffractive imaging. This approach enables high-resolution defect identification without relying on expensive imaging systems.
The multispectral smart window technology regulates visible light while blocking microwave signals, improving energy savings and privacy protection. It outperforms existing technologies in response time, transmittance adjustment range, haze adjustment range, driving voltage, and optical modulation mode.
Researchers leverage deep learning networks to recover and enhance compromised metrics in biophotonic image data. This approach improves imaging speed and quality, allowing for high-fidelity all-in-focus images and efficient reconstruction with reduced data acquisition.
Researchers develop phonon lasers with enhanced power and precision, paving the way for real-world applications in medical imaging and deep-sea exploration. The breakthrough enables more sensitive and less harmful medical imaging techniques and improved communication and navigation for deep-sea vehicles.
Scientists create integrated metadevice that combines optical and terahertz metasurfaces, enabling 2-bit terahertz code modulation with ultrafast modulation within 1 ns. The device uses photonic crystals to control its non-radiative loss for ultrafast modulation behavior.
The study reveals the link between chirality and heat exchange in a quantum system, highlighting the role of non-adiabatic transitions and the Landau-Zener-Stückelberg process. The experiment paves the way for new explorations in quantum thermodynamics and efficient quantum chiral devices.
A new method, MS-PSI, enables dynamic 3D reconstruction under complex optical field reflection and transmission conditions. It successfully measures depth accurately and dynamically in scenarios with interreflection, subsurface scattering, and thin volumetric media.
The researchers successfully generated dual-polarized terahertz vortex combs by designing a polarization-multiplexed meta-atoms structure and controlling the mode number, position, and interval of the vortex combs. This achievement promotes the development of ultra-high-capacity terahertz multi-mode communication technology.
A team of international researchers has proposed a metasurface capable of efficiently modulating light polarization, achieving notable amplitude (400%) and phase (90°) variations under low-power photoexcitation. This new material enables the transient modification of optical properties in ultrafast timescales.
Researchers developed a non-volatile photonic-electronic memory chip using micro-ring resonator and integrated thin-film ferroelectric material, overcoming dual-mode operation challenge. The chip features low operating voltage, large memory window, high endurance, and multi-level storage capability.
Researchers develop femtosecond laser sheet-compressed ultrafast photography (fsLS-CUP) to capture ultrafast dynamics in flames. The technique enables simultaneous imaging of soot particles and polycyclic aromatic hydrocarbons (PAHs), revealing their formation and growth in flames.
Researchers have developed a new accuracy verification methodology for ultra-large aperture mirrors using computer-generated hologram (CGH), achieving nanometer-level accuracy. The method uses an equivalent element to test the mirror's surface shape accuracy, overcoming aperture limitations and enabling reliable testing.
Researchers develop wavelength-independent 3D polymerisation using low peak power laser oscillators, enabling rapid and efficient printing of non-photosensitized materials. The method uses high pulse repetition rate oscillators to achieve localized photo-crosslinking and controlled energy deposition per focal volume.
A team of researchers developed a novel imaging system to address real-time monitoring challenges in ultrafast laser material processing. The Dual-Path Snapshot Compressive Microscopy (DP-SCM) system offers high-speed, high-resolution imaging capabilities.
A new fabrication method has been developed to create highly sensitive flexible capacitive pressure sensors. The technique uses laser speckle grayscale lithography and results in sensors with ultra-high sensitivity and low detection thresholds.
Scientists have created an ultra-thin light source emitting pairs of polarization-entangled photons, enabling ultra-secure communication and powerful computation. The breakthrough material, 3R-WS2, facilitates the search for superior quantum materials, bringing quantum technology closer to reality.
A new scheme extends temporal ghost imaging to arbitrary wavelengths, enabling flexible operation in the mid-infrared. Computational TGI allows for scan-free imaging and studying ultrafast dynamics.
Researchers developed a new label-free photothermal microscopy technique using microtoroid optical resonators to detect single nanoparticles. The system achieved high sensitivity and discrimination capabilities, outperforming traditional fluorescence-based methods.
A team of scientists developed a flexible mode-switching system utilizing an optical neural network chip to switch between different Orbital Angular Momentum (OAM) modes in a multimode fibre. The system achieved low-crosstalk mode switching, enabling efficient and flexible optical networks capable of meeting growing demands.
Researchers developed organic polariton light-emitting diodes (OPLEDs) to overcome OLED limitations, achieving high-brightness, narrowband, and high-color purity emission. OPLEDs showcase exceptional performance in next-generation laser displays with over 780,000 cd/m² brightness.
Hot carriers are electrons with a surplus of energy generated by light in plasmonic nanostructures, enabling novel applications and driving chemical reactions at the surface. Harnessing their power could lead to ultrafast electronics, efficient solar cells, and precise nanomedicine applications.