A reconfigurable optical computing platform based on a double-layer liquid crystal structure has been developed to enable multifunctional all-optical image processing. The platform integrates eight types of image processing functions in one go, including bright-field imaging, vortex filtering and edge enhancement, promising substantial...
Researchers at China Jiliang University have developed a comprehensive review of metasurfaces for generating and controlling perfect vortex beams. The advancements in this field offer new possibilities for high-precision optical applications.
Researchers reviewed recent advances and perspectives of TFLN-based detectors, outlining physical mechanisms for photodetection and implementation schemes. Direct material modification techniques expand the photodetection mechanism and application scope of lithium niobate materials.
Researchers at Huazhong University of Science and Technology have implemented the first complete public-key encryption system at the physical optical layer. The innovation lies in integrating partially coherent light and reciprocity principles on a single photonic chip to conceal information within random optical fields.
Researchers propose IncepHoloRGB, a lightweight unsupervised CGH model generating high-definition RGB holograms through a unified framework. The model combines depth-traced superimposition and Inception sampling block to enhance computing efficiency and visual impression.
Researchers have developed a halide perovskite volatile unipolar nanomemristor that achieves energy-efficient switching with minimal power consumption. The device uses a monocrystal nanocube with chemical composition CsPbBr3, placed between chemically inert contacts, to enable fast computation and readable memory states.
Researchers develop highly tunable spatial heterostructure within pure titanium using mechanical milling and laser powder bed fusion, achieving strength-plasticity synergy and overcoming the strength-plasticity trade-off bottleneck. The resulting harmonic heterostructure endows pure Ti implants with excellent wear resistance.
A strong-confinement low-index rib-loaded waveguide structure enables efficient light propagation and high electro-optic coupling in TE polarization, opening up new ways for fast proof-of-concept demonstration. The structure achieved a 3-dB bandwidth beyond 110 GHz and a voltage-length product of 2.26 V·cm.
Exciton-polaritons in perovskites enable ultra-efficient photoluminescence, polariton lasing, and low-power laser applications. Perovskite semiconductors facilitate strong coupling at room temperature through simple methods, paving the way for robust and scalable photonic technologies.
Recent developments in metalenses focus on increasing structural complexity, broadening achromatic bandwidth, and improving efficiency. Dual-metalens systems offer high-dimensional light-field modulation and parallel imaging capabilities.
The article discusses the progress of nanoimprint lithography (NIL) over 30 years, highlighting its high throughput and 3D patterning capabilities. NIL is becoming a key technology for fabricating emerging devices, including metalenses in smartphone cameras and automotive lidar.
Researchers develop a novel deep learning-enabled method for high-speed, high-precision 3D surface measurements. The technique uses frequency-domain multiplexing and achieves speeds 16 times faster than the sensor's native frame rate.
Noncommutative metasurfaces enable diverse path entanglement by exploiting interaction between metasurfaces and entangled photons, expanding quantum information processing capabilities. The research paves the way for high-dimensional information encoding in quantum communications and parallel processing in quantum computing.
Researchers developed a device that uses Rosaceae plants' infrared radiation characteristics to create adaptive camouflage for various wavelengths. The device achieves simulated plant-like infrared camouflage and ultra-low emissivity infrared stealth.
Research team reviews digital-coded metasurface technology for wireless communication, highlighting its advantages in miniaturization, low power consumption and real-time programmability. The study explores various applications and potential societal impact of this emerging technology.
Researchers propose a Coulomb attraction-driven spontaneous molecule-hotspot pairing mechanism to achieve synergistic enhancement of electromagnetic and chemical mechanisms in surface-enhanced Raman spectroscopy. This synergy enables efficient detection of single molecules with improved universality, uniformity, robustness, and stability.
Researchers developed a new imaging approach combining two-photon microscopy and advanced algorithms to improve resolution and reduce noise. This allowed them to clearly see details smaller than 250 nanometers, enabling real-time observations of mitochondrial behavior in live animals.
Researchers developed a single-layer metasystem for 3D inspection of fine structural features, integrating transmission and reception functionalities into a compact architecture. The system achieves high accuracy, with lateral resolution errors under 10 µm and depth variations as fine as 20 µm.
Researchers observe anomalous saturable absorption behavior in CsPbBr3 thin films under sub-bandgap excitation, revealing a new mechanism for ultrafast nonlinear optical absorption. The study proposes that band energy fluctuations induced by lattice polarons enable polaronic states to facilitate saturable absorption.
Researchers have developed an integrated metasurface-integrated quantum analog computing system, simplifying phase reconstruction and achieving high signal-to-noise ratio at low photon levels. This technology has broad application potential in fields such as optical chips, wave function reconstruction, and label-free biological imaging.
Researchers developed a wearable smart photonic wristband that assesses cardiorespiratory function and performs biometric identification, expanding personalized medicine applications. The device features an all-polymer sensing unit with high stability and durability, enabling continuous real-time monitoring of physiological information.