Add BrightSurf on Google Email

Light Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS


Fringe projection profilometry enters the era of intelligent perception

FPP is evolving from geometric triangulation to light transport analysis with AI and CI, expanding its capabilities beyond shape acquisition. The new framework enables a deeper understanding of light transport, material properties, and scene formation mechanisms, opening opportunities for intelligent perception technologies.

Self-powered perovskite photodetector with chocolate-chip-cookie structure

Researchers have developed a novel perovskite photodetector structure, combining two materials with different bandgaps to enhance current flow. The 'chocolate-chip-cookie' design allows for efficient charge transfer and photocarrier generation, enabling fast photoresponse and linear dynamic response.

Deciphering optical coupled resonant systems with physics-data co-driven deep neural networks

Researchers develop a physics-data co-driven deep neural network that captures underlying physical characteristics of coupled resonant systems using coupled mode theory-generated datasets. This approach enables accurate retrieval of intrinsic resonant frequency, coupling strength, and transmission phase in complex systems.

Dynamic terahertz wavefront control using stretchable single-walled carbon nanotubebased metasurfaces

Researchers have developed a novel solution for dynamic terahertz wavefront control using stretchable single-walled carbon nanotube-based metasurfaces. The devices enable focal-length-tunable and beam-steering capabilities through simple mechanical deformation, opening up new avenues for smart and wearable THz components.

10⁻²¹-level optical frequency transfer over 2067 km fiber network

Scientists developed a scalable solution for robust optical frequency transfer in noisy field environments using digital phase recording and multifunctional relay stations. The system achieved stable operation and fractional frequency instability of 2.9 x 10^-21 at 1 Hz over 2067 km fiber network.

Single shot multispectral fluorescence microscopy with learned meta-optics

The system addresses limitations of high numerical aperture objectives by combining a learned titanium dioxide meta-optic with a neural reconstruction network. This co-designed computational microscopy system improves imaging depth and resolves structures throughout thick biological specimens in a single shot.

Femtosecond laser direct writing “guiding” Leidenfrost droplet motion

A team of scientists has developed a method to control the motion of Leidenfrost droplets on a heated surface using femtosecond laser processing. The droplets exhibit a hybrid boiling state, combining the advantages of film and transition-boiling states, allowing for efficient heat transfer and directional propulsion.

Advantages of multimode Si-ITO electro-optical modulators for balanced signal routing

A team of scientists developed a hybrid plasmonic modulator based on Si-ITO-SiO₂-Au, using a multimode silicon waveguide to create two spatially separated channels with precise phase shift. This device enables compact, high-speed optical links for data centers, telecommunications, and microwave photonics.

Spectral level repulsion and Lifshitz-like states in hyperuniform disordered photonic networks

Hyperuniform disordered (HuD) photonic networks host an unexpected range of optical modes. The study reveals delocalized modes governed by level repulsion, a hallmark of interacting states. Localized modes exhibit Lifshitz-like behavior, with predictable spatial locations and hybridization into coupled modes.

Bioinspired planar intelligent nanophotonic sensor for wide-angle accurate motion perception and prediction

A new bioinspired planar intelligent nanophotonic sensor has been developed for wide-angle accurate motion perception and prediction. The system uses a metalens array to achieve an ultra-wide viewing angle of 135° and enables the extraction of velocity and direction information of moving targets with high accuracy.

Holographic 3D printing with phase light modulators boosts efficiency 70? —and enables multi-scale printing

A new approach to tomographic volumetric additive manufacturing (TVAM) has been introduced, achieving 70 times more efficiency than previous techniques by encoding objects as holograms using phase modulation. This allows for bioprinting of structures at near-clinical scale with improved surface quality and self-healing beams.

Helical opto-thermoviscous flow-driven microrotation enables multiview 3D microscopy

Researchers introduced an opto-thermoviscous strategy to generate stable 3D helical thermoviscous flows, allowing robust out-of-plane rotation and manipulation of various micro-objects. This method enables multiview 3D microscopy by leveraging kinematic nature of thermoviscous manipulation.

Full-chip EUV curvilinear mask optimization

The study introduces an integrated full-chip EUV curvilinear MO framework that merges deep-learning-enabled forward modeling and gradient-based inverse optimization. It reduces model complexity and memory usage through tunable U-Net surrogate models and slice-based approximated gradient calculation schemes.

Reversible optical data storage and encryption enabled by phase-change and hydrogel integration

Researchers developed a new class of optical storage technology that combines phase-change materials with responsive hydrogels for full-color image multiplexing. The device offers robust rewritability and can be controlled using environmental conditions, enabling user-friendly and secure data encryption.

2D thermo-optic modulation enabled by Ag2Te QD film based micro-ring resonator

Scientists developed a 2D thermo-optic modulation platform using QD film based micro-ring resonators, achieving a 19.77-fold increase in tuning sensitivity and a 50-fold improvement in modulation speed compared to conventional devices. The hybrid system enables real-time high-speed reconfiguration with enhanced performance and reduced ...

Single-QTF dual-gas LITES sensor using mixed-frequency heterodyne demodulation

A new mixed-frequency heterodyne demodulation (MHD) architecture has been developed to address limitations of existing multi-gas LITES systems. The novel architecture enables simultaneous detection of two gas species, achieving low-crosstalk detection and excellent linearity.

Dual-frequency fiber-array photoacoustic computed tomography: see the whole brain clearly and centimeters deep

Researchers developed a novel dual-frequency fiber-array photoacoustic computed tomography (PACT) technology, enabling high-resolution imaging of the entire brain and centimeters deep. This innovation overcomes the limitations of conventional PACT systems, allowing for precise functional imaging and metabolism assessment.

L²-CPI: High-resolution computational phase imaging with an arbitrary field of view

The L²-CPI system extends optical microscopy capabilities by capturing data 'on the fly' and retrieving phase information with high precision. This allows for non-destructive inspection of large-scale nanometrology samples, such as wafer defect arrays, with sub-wavelength defect detection.

Off-axis bright- and dark-field OCT for non-destructive subsurface defect detection in silicon carbide

A new off-axis bright- and dark-field OCT architecture enhances detection robustness by capturing complementary defect information. The system balances high axial resolution with deep penetration, allowing for precise defect localization and improved classification accuracy.

Digital phase-shift mask projection lithography for sub-diffraction nanofabrication

A novel digital phase-shift mask projection lithography strategy has been proposed to overcome limitations of conventional photolithography. The approach integrates phase-shift mask principles into a programmable maskless lithography platform, enabling sub-diffraction-limited patterning with improved image contrast and resolution.

Dual-band hydrochromic optical modulator for multimodal anticounterfeiting and encryption

A team of scientists developed a dual-band hydrochromic optical modulator for multimodal anticounterfeiting and encryption. The device changes its appearance in the visible and mid-infrared regions through three modes: water-triggered visible switching, infrared emissivity modulation, and chemical signature authentication.

Multimodal imaging: A highly integrated fluorescence-phase microscopy system

A new multimodal fluorescence-phase microscopy (MFPM) system combines fluorescence excitation with label-free imaging, achieving precise spatial co-registration and maximizing data acquisition efficiency. This unified platform enables comprehensive biological investigations with enhanced imaging throughput.

All-in-one optically interactive soft robots with embedded liquid crystal holography

Researchers developed an all-soft robotic system utilizing liquid crystal holography for optical command processing, achieving a synergy of multi-degree-of-freedom actuation and information multiplexing. The system showcases an intelligent gripper capable of precise grasping and object classification.

High-speed and high-sensitivity multi-gas detection based on parallel heterodyne LITES sensor

A parallel heterodyne LITES sensor achieves high-speed and high-sensitivity simultaneous detection of multiple trace gases. The sensor's collaborative signal enhancement architecture and deep learning model enable precise mapping of gas concentrations from a single QTF output signal.

Freeform terahertz structures fabricated by multi-photon lithography and metal coating

Researchers at Karlsruhe Institute of Technology developed a transformative approach to fabricate high-performance terahertz components with sub-micrometer precision. They combined multi-photon lithography with highly directive metal deposition techniques, achieving ultra-broadband chip-to-chip connections and suspended on-chip antennas.

Programmable metasurfaces steer light generated by fast electrons

Scientists propose a generalized Smith-Purcell effect based on programmable metasurfaces to redirect electron-induced light into chosen angles. The approach enables active tunability and broadens the range of applications for free-electron radiation, including nanoscale spectroscopy tools and compact light sources.

Dye-sensitized cascaded energy transfer for amplified 1525 nm luminescence in highly doped lanthanide nanoparticles

Researchers developed a dye-sensitized core-shell structure using Yb3+ as an 'energy relay' to achieve synergistic cascade energy transfer between ICG and the Er3+ core under 808 nm excitation. The system enhances luminescence intensity by nearly 2000-fold, providing superior performance for high-resolution imaging in deep tissues.

High-performance thermally-evaporated light-emitting diodes via one-step vapor purification

This paper introduces a novel one-step vapor purification technique to achieve high-purity vapor atmospheres and reduce impurities in thermally evaporated devices. The approach successfully suppressed defect formation and improved stability in perovskite LEDs and OLEDs.

Surface plasmon resonance holographic microscope: new breakthrough in measuring refractive index and thickness

A new SPR holographic microscope has been developed with high sensitivity, label-free, non-invasive, and real-time measurement capabilities. It achieves ultrahigh RI resolution of 2.58 × 10⁻⁷ RIU and sub-nanometer thickness profiling resolution of 0.6 nm for atomic layer materials.

Extended field of view achromatic meta-axicon cluster

A team of scientists developed a minimalist optical system for achromatic imaging based on a monolithic integrated meta-axicon cluster. The novel imaging paradigm combines natural wideband consistency and computational imaging technology to achieve large-aperture, wide field of view (FOV), broadband achromaticity, and high resolution.

Self-recoverable mechanoluminescence in simple oxides: Al₂O₃:Cr

Researchers developed a simple oxide system with intrinsic self-recoverable mechanoluminescence without external energy input. The material exhibits strong near-infrared emission under mechanical stimulation, featuring reversible ionization and recapture process enabling consistent emission over thousands of loading cycles.

Ultra-broadband single-stack mid-infrared semiconductor lasers grown by MOCVD

Researchers developed a novel single-active-region mid-infrared QCL architecture that achieves broad spectral coverage and high gain uniformity. The diagonal multi-state-to-continuum active region design enables strong coupling between upper lasing levels, substantially broadening the gain bandwidth of the active region.

Generalized doppler effect for high-accuracy frequency shift measurement

A team of researchers has reported a generalized Doppler effect that enables simultaneous capture of rotation magnitude and direction with high accuracy. The approach uses spin-orbit coupling to encode motion information into multiple degrees of freedom, resulting in substantially larger frequency shifts than conventional methods.

Artificial intelligence-generated photonics: Map optical properties to subwavelength structures directly via a diffusion model

Researchers have developed an AI-generated photonic framework that maps optical properties to subwavelength structures directly via a diffusion model. The system achieves high-precision mapping, flexible design constraints, and fuzzy search capability, transforming the field of photonic innovation.

NIR-II-triggered plasmonic catalysis with tip-localized enhancement: a strategy for hypoxic biofilm eradication on orthopedic implants

Engineered NIR-II-responsive plasmonic nanozymes degrade extracellular DNA and induce hyperthermia, destabilizing biofilm integrity. Biocompatible surface functionalization ensures seamless integration with bone implants.