A new phosphor-free LED lamp rich in yellow-green spectrum was developed to study its photo-biological effects on human health. The findings show significant enhancements in visual performance and circadian rhythm under illumination from this lamp, revealing the unique benefits of yellow-green spectrum.
The team created a broadband, polarization-insensitive unidirectional imager that operates in the visible spectrum and suppresses image formation in the reverse direction. The device incorporates diffractive structures fabricated through wafer-scale lithography on high-purity fused silica.
Researchers have developed bipolar-barrier tunnel heterostructures for high-sensitivity mid-infrared photodetection. The design suppresses majority carriers and facilitates efficient tunneling of photogenerated carriers, achieving outstanding room-temperature specific detectivity.
Researchers create novel method to control ghost hyperbolic phonon polaritons by launching waves with specially shaped gold nano-antennas, extending travel distance from 20 micrometers to 80 micrometers. This breakthrough enables new technologies such as efficient heat management and reliable quantum information systems.
Researchers discovered topological properties persist in quasi-periodically modulated optical lattices, governed by Fibonacci numbers. The team proposed approximating true quasi-periodic lattices with periodic sequences, leading to the discovery of Fibonacci-derived Chern numbers that dictate beam transport velocity.
Scientists create a spatiotemporal light system that emulates the behavior of potential-free Schrödinger equations, generating localized wavepackets without potential energy constraints. This breakthrough could provide new insights into quantum physics and applications in studying light-matter interactions.
Optical vortices have been found to contain a complete skyrmionic texture when Maxwell's longitudinal field is retained. This discovery opens up new possibilities for high-dimensional OAM communication and topologically protected routing in planar photonics.
A team of scientists has successfully demonstrated a more practical and robust method for quantum key distribution, which could lead to secure and cost-effective communication networks worldwide. The breakthrough uses composable security and achieves a secure key rate using simple telecom hardware combined with digital postprocessing.
A new microscopy technique, Confocal² Spinning-Disk Image Scanning Microscopy (C²SD-ISM), has been developed to overcome limitations of existing super-resolution techniques in deep tissue environments. The system achieves high-fidelity super-resolution with a lateral resolution of 144 nm and performs 3D imaging over large volumes.
Researchers have successfully demonstrated soliton microcombs in X-cut LiNbO3 microresonators, overcoming the challenge of Raman nonlinearity. This breakthrough enables the monolithic integration of fast-tunable, self-referenced microcombs for applications in optical communication, computation, timing, and spectroscopy.
Researchers developed misaligned bilayer metagratings to overcome intrinsic dispersion locking, enabling precise angular and wavelength control. This breakthrough offers new opportunities for compact optical imaging and computing technologies.
The Uncertainty-Aware Fourier Ptychography (UA-FP) framework offers a highly robust and flexible solution for computational imaging, overcoming traditional calibration constraints. It can maintain reliable performance even when confronted with substantial physical imperfections, setting a new standard for the field.
Researchers introduce a novel method for generating topological optical textures using simple photonic crystal slabs, leveraging BICs to achieve alignment-free and high-fidelity topological light generation. This discovery paves the way for practical applications in communication, sensing, and data processing.
Operando ZnO recrystallization improves device performance by reducing carrier concentration and enhancing electron mobility, leading to increased EQE in red QLEDs. This process also suppresses exciton quenching within the quantum dot layer.
A custom CNN trained on synthetic datasets decomposes modes in multimode fiber, eliminating coherent detection. This approach achieves high frame rates and low power consumption with FPGA acceleration.
Researchers developed a novel platform addressing limitations of conventional plasmonic systems, enabling large-area high-brightness emission at low power. The breakthrough paves the way for future display and optical communication technologies.
Researchers developed a new method to estimate PN junction depth in Si wafers with nanometer scale resolution, using terahertz emission spectroscopy. This technology enables rapid, non-destructive, and non-contact access to the interior of wafers, contributing to improving device reliability and reducing manufacturing resources.
The UCLA team introduces a framework for arbitrary 3D point spread function engineering, enabling adaptive optical imaging systems with precise control of light distribution in three dimensions. This development has significant implications for advanced imaging modalities, such as snapshot 3D multispectral imaging.
The study reveals that manganese exists in a divalent (+2) state in the YAG structure, emitting near-infrared light. The fluorescence lifetime of the red emission is shorter than the NIR emission, suggesting distinct lattice site occupation.
Researchers demonstrate a novel system for neuromorphic computing utilizing perovskite microcavity exciton polaritons operating at room temperature. The system achieves high-speed digit recognition with 92% accuracy using only single-step training, opening new opportunities for scalable and light-driven neural hardware.
A team of scientists proposes an integrated form-position deflectometric system for measuring monolithic multi-freeform optical elements using Bayesian multisensor fusion. The approach achieves high accuracy and determinacy, enabling hundreds of nanometers measurement accuracy for surface forms.
Researchers have developed a novel approach to achieve high-speed data transmission over long distances using platicon frequency microcombs. The technology demonstrates stable terabit/s coherent optical communication in free-space links, overcoming previous challenges such as beam stabilization and phase recovery. This breakthrough sup...
Researchers developed a multilayer device with high absorptivity in H/K bands and low emissivity in MWIR/LWIR bands, while utilizing VLWIR for efficient radiative heat dissipation. The device successfully concealed thermal radiation and reflected signals, achieving significant temperature reductions.
Researchers developed binary phase-engraved (BiPE) superpixel CFM to overcome limitations of existing technology, enabling high-speed and high-efficiency complex field modulation. BiPE superpixels can utilize all incident light components, increasing optical efficiency.
Researchers have introduced a novel class of three-dimensional topological structures, 'incoherent links and knots', constructed from coherence singularities. Despite the random distribution of the instantaneous electric field, these structures exhibit stable topological configurations.
Researchers have demonstrated an intelligent hybrid strategy for simultaneous multi-degree-of-freedom tailoring, enabling the generation of high-dimensional laser fields. This advancement represents a significant step forward in high-dimensional photonics, offering advantages in scalability and simplicity.
Researchers introduce Debye relaxation model into metamaterials, bridging gap between dielectric physics and metamaterial design. This breakthrough enables ultra-broadband electromagnetic parameter regulation, advancing artificial material design.
Researchers integrated 2D CuCrP₂S₆ onto silicon microring resonators, achieving a compact and efficient non-reciprocal optical response. The device exhibits low insertion loss, high isolation, and a wide bandwidth, enabling practical applications in next-generation optical isolators and photonic circuits.
A team of scientists analyzed industry applications of AR headsets, assessing image quality, functionality, and ergonomic factors. They proposed a metric for device comparison, enabling companies to select the most suitable headset for specific application scenarios.
Researchers developed a photolithography-based process for patterning solution-processed materials, achieving high-resolution patterning of QD color converters for micro-LED displays. The technique preserves optical properties and can be applied to various solution-processed materials, making it highly desirable for the display industry.
Researchers developed a novel approach to trigger tumor pyroptosis using near-infrared light-activated carbon dots. The study bridges nanomedicine and immunotherapy, offering hope for metastatic and treatment-resistant cancers.
Researchers propose a polychromatic-pumped quantum light source to overcome exponential demand for spectrum in fully connected multi-user networks. The new approach enables significant reduction in wavelength channels required, with a 67% decrease projected for larger user counts.
Researchers propose a novel solution using a single gradient metasurface to realize quantum controlled-Z (CZ) gates, enabling high-density integration and multifunctionality. This design allows for both polarization-encoded and path-encoded CZ gates, with potential applications in quantum computing, communication, and sensing.
Researchers have identified nonlinearity in optoacoustic signals and a new contrast mechanism that significantly improves tissue characterization. The method uses thermally excited nonlinear susceptibility to offer novel imaging capabilities.
A team of scientists has achieved full polarization control of photons through photonic molecules consisting of two 1D photonic crystal nanobeam cavities. The coupling between PMs is influenced by air gap d and relative displacement s, allowing for high controllability. This breakthrough enables direct control of the local optical fiel...
Extracellular vesicles (EVs) contain proteins that reflect cell origin and physiological state, making them valuable disease indicators. Label-free detection methods, such as nanophotonic sensing, offer a promising alternative to traditional protein assays.
Researchers propose a novel in-situ chlorination post-treatment method to renovate defects and reconstruct phase structure, enhancing optoelectronic performance. Deep-blue LEDs achieved an external quantum efficiency of 6.17%, demonstrating faster carrier transport and increased operational stability.
A new programmable color router array is designed to manipulate photon momentum in multi-frequency channels, enabling efficient spectrum utilization and encryption. The device utilizes dichromatic photon momentum and beam intensity to promote information processing ability, increasing capacity based on frequency-dependent angular measu...
Researchers have developed an innovative achromatic metasurface waveguide that eliminates chromatic dispersion and offers improved image clarity. The single-layer design simplifies manufacturing while enhancing system performance compared to traditional multi-layer waveguides.
Researchers have developed a monolithically integrated asynchronous optical recurrent accelerator, mapping time sequences to wavelength channels for efficient parallel processing. This breakthrough improves computational efficiency without requiring high-speed electronic components for synchronization.
Scientists have created a compact device that enables ultra-narrow spectral linewidth of superradiant Smith-Purcell radiation, overcoming limitations in free electron accelerators. The device, called pump-induced stimulated S-SPR (PIS-SPR), uses a three-section system to pre-bunch electrons and emit radiation at a specific frequency.
A team of researchers achieved a 60-mode cluster state directly on a chip using optical microresonators, significantly larger than previous demonstrations. This breakthrough enables scalable quantum photonics for advanced computing, secure communications, and sensitive measurements.
Researchers developed physisorption-assistant optoelectronic synaptic transistors based on Ta2NiSe5/SnS2 heterojunction, demonstrating tunable synaptic functionality in broadband (375-1310 nm). The strategy utilizes gas molecule adsorption to extend carrier lifetime and improve NIR light performance.
This review explores the recent advancements in intelligent photonics, integrating deep learning and nanophotonics for fast, energy-efficient computing and sensing applications. It highlights key challenges and opportunities for real-world adoption, including optical neural networks and sensing-computing integration.
Researchers integrated 2D CuCrP₂S₆ onto silicon microring resonators, achieving compact, efficient non-reciprocal optical response with low insertion loss and high isolation. The device operates directly in the transverse electric mode, eliminating polarization rotators and simplifying integration.
Scientists have achieved full polarization control of photons through the use of photonic molecules, enabling direct control of the local optical field that couples to embedded emitters. This method has high efficiency and potential for applications in spin-resolved cavity quantum electrodynamics.
Researchers designed a programmable electron-induced color router array to manipulate photon momentum in multi-frequency channels, enabling efficient spectrum utilization. The array uses electron beam excitation at the nanoscale to achieve flexible manipulation, paving the way for high-integration and miniaturized display technologies.
Researchers introduce Debye relaxation into metamaterials, bridging the gap between dielectric physics and metamaterial design. The model enables broadband electromagnetic parameter regulation, opening new dimensions for dispersion control.
Researchers have created a flexible and tunable infrared stealth technology by adjusting the phase change material GST in different states. The metafilm achieves effective infrared stealth functionality in certain atmospheric window bands and excellent radiative heat dissipation capabilities in others.
Researchers developed an innovative solution combining inverse-designed metasurface couplers and high-refractive-index waveguides to eliminate chromatic dispersion in AR displays. The single-layer design simplifies manufacturing while enhancing system performance, positioning it as a promising technology for next-generation AR devices.