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


Space-to-ground infrared camouflage with radiative heat dissipation

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.

Hybrid strategy in compact tailoring of multiple degrees-of-freedom toward high-dimensional photonics

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.

Non-reciprocal response in silicon photonic resonators integrated with 2D CuCrP₂S₆ at short-wave infrared

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 universal high-resolution micro-patterning technique for solution-processed materials

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.

More is less: a new state-multiplexed approach to quantum entanglement network

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.

Quantum CZ gates on a single gradient metasurface

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.

Polarization control of photonic molecules with evanescent wave coupling

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...

Multiple defects renovation and phase reconstruction of reduced-dimensional perovskites via in situ chlorination for efficient deep-blue (454 nm) light-emitting diodes

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.

Programmable electron-induced color router array

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...

Monolithically integrated asynchronous optical recurrent accelerator

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.

Pump-induced stimulated superradiant Smith-Purcell radiation with ultra-narrow linewidth

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.

On-chip quantum breakthrough: 60-mode cluster state achieved with optical microresonators

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.

Physisorption-assistant optoelectronic synaptic transistors based on Ta2NiSe5/SnS2 heterojunction from ultraviolet to near-infrared

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.

Intelligent nanophotonics: When machine learning sheds light

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.

Non-reciprocal response in silicon photonic resonators integrated with 2D CuCrP₂S₆ at short-wave infrared

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.

Polarization control of photonic molecules with evanescent wave coupling

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.

Programmable electron-induced color router array

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.

A non-volatile switchable infrared stealth metafilm with GST

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.

Achromatic metasurface waveguide: Pioneering a new era in AR displays

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.

Recover chaos for secure communications

A recent study overcomes challenges of turbulence in free-space optical links by using a multi-aperture system combined with a photonic chip. This allows for the recovery of chaotic signals even under harsh turbulence conditions. The technology mimics a smart eye to capture light from several angles and reconfigure it into a clear signal.

Multiple defects renovation and phase reconstruction of reduced-dimensional perovskites via in situ chlorination for efficient deep-blue (454 nm) light-emitting diodes

A new method using in situ chlorination post-treatment has been proposed to renovate both deep-state and shallow-state defects in quasi-2D perovskites, significantly enhancing their optoelectronic performance. The resulting deep-blue light-emitting diodes achieved an external quantum efficiency of 6.17%.

Early detection of lithium battery leakage using a highly sensitive in situ ZIF-8 membrane-coated micro-nano optical fiber

Researchers propose a new sensor that can detect lithium battery leakage with high sensitivity, enabling early warning and protection for safety. The sensor uses a ZIF-8 membrane-coated micro-nano optical fiber to detect trace amounts of electrolyte vapor leakage.

Progress on intelligent metasurfaces for signal relay, transmitter, and processor

Researchers have made significant progress in developing intelligent metasurfaces to reshape the wireless communication environment, enabling efficient signal relay and processing. The technology has the potential to improve network performance with limited spectral resources.

Engraving light nonlinearly: A breakthrough in optical storage promises a faster, greener future

Researchers have introduced a game-changing technique called Up-Conversion Charging (UCC) that slashes writing times for single data to just 0.01 seconds, paving the way for high-density storage. UCC uses nonlinear excitation with visible light to guide electrons up an energy ladder, sharpening precision and refining patterns.

Frontier molecular orbital weighted model based networks for revealing organic delayed fluorescence efficiency

A novel deep learning model, ESIN, integrates molecular geometry and electronic structure data to predict the photoluminescence quantum yield of organic thermally activated delayed fluorescence (TADF) materials. The model leverages principles of frontier molecular orbitals to enhance predictive accuracy and interpretability.

Single-shot super-resolved fringe projection profilometry (SSSR-FPP): 100,000 frames-per-second 3D imaging with deep learning

Researchers developed single-shot super-resolved fringe projection profilometry (SSSR-FPP) using deep learning to achieve 100,000 frames-per-second 3D imaging. This breakthrough offers new insights into ultra-fast dynamic processes and could revolutionize fields like mechanics and biology.

Optical semantic communication through multimode fiber: from symbol transmission to sentiment analysis

A novel optical semantic communication system using multimode fiber was developed to enhance data transmission capacity and robustness. The system demonstrated a seven-fold increase in transmission capacity compared to conventional methods, and improved noise tolerance for sentiment analysis applications.

A new family member of toroidal electromagnetic excitations

Scientists have proposed and successfully generated hybrid electromagnetic toroidal vortices, combining vectorial and scalar electromagnetic toroidal vortices. These structures integrate key features such as topological skyrmions, transverse orbital angular momentum, spatiotemporal fields, and electromagnetic vortex streets.

High-power-efficiency and ultra-long-lifetime white OLEDs empowered by robust blue multi-resonance TADF emitters

Researchers developed high-efficiency white OLEDs using robust blue MR-TADF emitters, achieving a maximum external quantum efficiency of 34.4% and a power efficiency of 101.8 lm/W. The devices demonstrated stable white light emission and long-lasting applications with a luminance lifetime of 761 hours.

Universal conservation laws of the wave–particle–entanglement triad

Researchers develop a theoretical framework that reveals a conservation relationship among wave behaviour, particle behaviour, and entanglement. The team finds that the sum of these three elements remains constant, regardless of the choice of bipartite pure state, with experimental validation for various dimensions