Researchers have developed a novel approach to quantum memories using 3D-nanoprinted light cages filled with atomic vapor. The technology enables highly efficient conversion of guided light pulses into collective atomic excitations, with storage durations of several hundred nanoseconds. The platform's compact size and room-temperature ...
Researchers review transfer printing techniques for integrating III-V semiconductor devices into silicon photonics, enabling diverse optical functionalities and applications. The technology offers precise control over thin film parameters and precise device placement.
Researchers developed a V-band ultra-fast tunable thin film lithium niobate Fourier-domain mode-locked optoelectronic oscillator to generate LCMW with low phase noise and large TBWP. The FDML OEO achieved record-breaking high radiofrequency oscillations up to 65 GHz.
Scientists have developed a platform for generating and detecting ultrashort UV-C laser pulses using atomically-thin semiconductors. The system demonstrates a free-space communication system and has the potential to unlock new opportunities in non-line-of-sight communication systems.
Researchers developed LSTM-assisted optical fiber interferometric sensing to overcome the limitation of free spectral range, achieving simultaneous high sensitivity and wide measurement range. The technology uses gating mechanisms and sequence learning capabilities of LSTM to model long-term dependencies in complex interference spectra.
Researchers discovered that MHP films exhibit triboluminescence when scraped with metals like copper, gold, or platinum, due to friction-induced charge transfer. This phenomenon is universally observed across commonly studied MHP films. The enhancement of PL is attributed to the accumulation of positive charges on the perovskite surfac...
Engineered metasurfaces can focus and control light to trigger responses in specific cells, enabling precise, wireless stimulation. This breakthrough lays the foundation for next-gen bioelectronic implants with targeted cell activation or cancer therapy.
Researchers have successfully generated and visualized helical electromagnetic pulses, a long-sought form of light that twists through space and time. The achievement overcomes significant challenges and opens up new possibilities for technologies like ultrahigh-speed communications and precision imaging.
A new open-source stabilization system enables sub-nanometer precision in super-resolution fluorescence microscopy, overcoming technical complexity. The system achieves high stability, allowing for long-duration single-molecule localization experiments with controlled drift-induced errors.
Researchers developed a physically consistent model for single-pixel imaging, capturing multiple degradations and improving image resolution and fidelity. The method outperforms competing approaches under real-world complex degradations, offering robustness and superiority in practical environments.
A new paradigm in spectroscopic sensing has emerged through the integration of optical waveguides and Surface-Enhanced Raman Scattering (SERS) technology. This breakthrough enables ultra-sensitive, portable detection platforms with transformative on-site real-time monitoring capabilities.
Researchers have achieved perfect transfer functions in Coherent Diffractive Imaging (CDI) with various numerical apertures, pushing the imaging resolution to the Abbe diffraction limit. Their computational framework, RFD, solves the high-NA CDI problem for the first time, achieving a record-high imaging resolution of 0.57λ.
A new OAM-STM architecture enables 3-bit data transmission at ultrafast pulse rates, combining spatial separation with time decoding for improved scalability. The system achieves GHz-level transmission rates without electronic signal processing, enabling more compact high-speed systems.
Researchers developed a snake-inspired system that bridges the gap between infrared and visible light using CMOS sensors. The innovation integrates an upconverter directly onto the sensor, enabling 4K ultra-high-resolution imaging of short-wave infrared and mid-wave infrared at room temperature.
The latest advancements in photomedicine, materials science, and soft electronics are driving the development of next-generation phototherapy devices. These innovations include wearable and implantable flexible sensing technologies combined with AI, enabling closed-loop systems for real-time adjustments and improved medical outcomes.
Researchers proposed a neural array imaging system to overcome limitations of metalenses, achieving high-quality imaging with reduced thickness. The system uses an array of small-aperture metalenses, enabling accurate image reconstruction and task-level visual perception.
A new multifocal metalens design enables super-resolution imaging of brain organoids, achieving twice the resolution of conventional WF microscopy. The system also suppresses background noise and resolves fine neuronal fibers.
Research reveals AI's potential to harness structured light for optical communications, microscopy, and computing. Complex patterns in structured light enable natural robustness and vast encoding possibilities.
Researchers proposed ACAL system for fabricating micro ring-shaped metasurface unit cells on highly curved substrates, demonstrating extended depth of focus and robustness against defocus. The method improved minimum annular feature size by over 10 times compared to conventional methods.
Scientists propose and experimentally realize optical skyrmions in the spatiotemporal domain using transverse orbital angular momentum and vectorial shaping of pulsed light. The structures exhibit fascinating evolution during propagation, including the Gouy phase shift and changing beam size.
A new LiDAR system combines the advantages of beam array scanning and flash LiDAR technologies, enabling high-precision detection across diverse applications. The device features a mechanically reconfigurable metasurface platform that synergizes tunable hybrid cascaded metasurfaces with a shape memory alloy micro-actuator.
Researchers reveal peculiarities of room temperature organic photodetectors, highlighting their unique physical properties and special features. The upper detection limit for OSC photodiodes is comparable to that for ISC photodiodes, but with a significant spread in values.
Researchers have demonstrated that non-circular VCSEL cavity designs can fundamentally improve performance by redefining boundary conditions. The pentagonal VCSEL showed over twice the power density of traditional circular VCSELs, while the mushroom-shaped VCSEL offered high power and low spatial coherence.
UCLA researchers create optical processor that performs massive parallel computation of nonlinear functions, executed rapidly and simultaneously at extreme spatial density. The study demonstrates the use of diffractive optical processors to approximate arbitrary sets of bandlimited nonlinear functions.
Researchers develop Controllable Spiral Magnetorheological Finishing (CSMRF) to eliminate mid-spatial-frequency ripple errors in sub-aperture polishing. This method integrates adaptive path spacing and spatially varying tool influence function, achieving effective control over targeted error distributions.
A research team has achieved a major breakthrough in non-Hermitian photonics by realizing the transition from bound states in continuum (BICs) to exceptional points (EPs) in metasurfaces. This discovery verifies core theory and provides a new perspective on unique physical properties of non-Hermitian systems.
Scientists create a new type of spatiotemporal vortex burst with time-dependent photonic characteristics, enabling precise control of ultrashort pulses in spatial and temporal dimensions. This innovation advances beyond conventional methods and opens new avenues for applications in light–matter interactions, spectroscopy, and nonlinear...
Researchers developed ultra-low voltage optoelectronic polymer memristors to address high power consumption and complex integration in edge computing. The devices achieved a fingerprint recognition accuracy of 97.15% in a reservoir computing framework.
Researchers developed a laser-emission vibrational microscopy technique for rapid screening of hyperlipidemia, measuring viscosity of microdroplets in over 5,400 droplets in 90 minutes. The approach enables high-throughput analysis of biological fluids with promise for mechanical biomarker discovery and low-cost clinical diagnostics.
Researchers developed a novel fluorotellurite glass, TBAY, with high nonlinear efficiency, allowing for miniaturization of mid-infrared laser systems. The new fiber generated tunable Raman soliton and dispersive waves beyond 4 μm in centimeter-long lengths.
A team of scientists proposed and demonstrated a coherent detector to efficiently detect the non-separability of vectorial structured light. The detector enables single-shot detecting the non-separability with low spatial complexity. Experimental results indicate high efficiency, low complexity, and stability.
A new chip architecture has successfully overcome major limitations of photonic neural networks, achieving record-breaking input sizes and robust performance with partially coherent light sources. The device demonstrated accuracies of 94% and 96% in handwritten digit and fashion image classification tasks.
Researchers successfully generate even and odd terahertz frequencies using topological insulator-based van der Waals metamaterials, confirming long-standing theories and opening doors to new applications. This breakthrough enables the development of compact terahertz sources, sensors, and ultrafast optoelectronic devices.
A team of researchers has created a novel comb-like structure for on-chip detection, achieving an unprecedented detection efficiency of 99.73%. The hybrid integration strategy allows for scalability in quantum photonic chip applications.
Researchers developed a 2x2 on-chip metasurface network on lithium niobate photonics to achieve high-speed, dynamically tunable light field control and large-capacity information processing. The design enables four-channel multiplexing for illumination direction and polarization control.
Researchers developed a strong-field laser passivation strategy to create super-corrosion-resistant stainless steels. The technique forms a hybrid Fe3O4/Fe2O3/Cr2O3 passivation layer with unique micro/nanostructures, greatly suppressing pitting corrosion and inhibiting metal surface exposure.
Scientists have reported an ultra-compact chaos-assisted computational spectrometer that overcomes the trade-off between physical size, resolution, and operational bandwidth. The device achieves a broad operational bandwidth of 100 nm with high spectral resolution of 10 pm.
A team of scientists uses weak-disturbance and high spatial-resolved imaging ability of PEEM to demonstrate near-field imaging and characterization of ultra-confined optical near fields in nanoslits. The technique identifies fabrication defects that are imperceptible to other means.
A new fabrication method using photolithography template-assisted processing (PTA) enables high-resolution full-color Micro-QLED devices with pixel sizes ranging from 2 to 20 μm. The technology demonstrates outstanding performance with 1184 ppi resolution and brightness over 10,000 cd/m².
A new photonic chip called Gezhi achieves record-breaking speeds of 25 million images per second and consumes ultra-low light levels. This technology holds immense potential for large-scale expansion and high-performance applications in AI, autonomous driving, smart healthcare, machine vision, and language models.
Recent advances in perovskite thin-film patterning techniques are crucial for high-performance optoelectronic devices. The research team introduces dimensional engineering, correlating material performance and structural dimensionality across different scales.
Researchers developed efficient deep-blue light-emitting diodes (PeLEDs) using colloidal CsPbBr3 nanoplatelets, achieving record-breaking performance with a maximum external quantum efficiency of 6.81%. The devices also exhibit stable deep-blue emission and precise color coordinates that fully satisfy the stringent Rec.2020 requirement.
Artificial materials with subwavelength structures enable shrinking optical setups onto tiny chips. Meta-surfaces manipulate fundamental light properties, boosting photon pair generation efficiency. This allows for on-chip quantum light sources, single-photon detection, and ultra-precise quantum metrology sensors.
The research team created a directional radiative cooling thermal protective window by integrating a visible transparent broadband directional emitter and Low-E film with commercial PC windows. The window features high visible transparency and low emissivity, making it effective at reflecting thermal radiation and preventing heat absor...
Researchers have introduced a new theoretical framework that enables the confinement of light to extreme scales in lossless dielectric materials. Narwhal-shaped wavefunctions, discovered through singular dispersion equation, trap light at sub-diffraction volumes.
Researchers review approaches to overcome THz endoscopy limitations in medical diagnostics, discussing advantages and drawbacks of notable systems. Notable examples highlight the potential of THz endoscopy in medical applications, despite challenges related to commercial endoscope availability.
Researchers have created a new method for generating bright squeezed light in the kilohertz frequency band with milliwatt optical power. By integrating passive and active noise suppression techniques, they reduced technical noise by 9 dB below shot noise limit, extending feedback bandwidth to MHz range.
Scientists develop a method for multi-dimensional holographic multiplexing and encryption using full-modulation dielectric geometric-phase metasurfaces. This enables accurate high-capacity information integration with low crosstalk and ideal energy uniformity.
Scientists achieve major milestone in light-based technologies using exotic quantum materials to unlock previously inaccessible regions of the electromagnetic spectrum. They successfully generate even and odd THz frequencies, enabling compact terahertz sources, sensors, and ultrafast optoelectronic devices.
Researchers developed luminescent ceramic-converted laser diodes with superior thermal stability, high-power endurance, and improved luminescence efficiency. The resultant ceramics achieve unprecedented efficiency and enable record output power under blue laser excitation.