Articles tagged with Photonics
Researchers demonstrate that internal crystal structure is key in regulating generated light-induced current in 2D organic–inorganic hybrid perovskites. The study reveals a strategy for regulating spin-polarized photocurrents and advancing opto-spintronic technologies.
Professor Adachi's work on thermally activated delayed fluorescence (TADF) established a new design principle for highly efficient organic light-emitting materials. TADF-based emitters have enabled ultra-high-efficiency organic light-emitting diodes, paving the way for sustainable display technologies.
Researchers from Paderborn University and partners have developed a new method to generate photons that are virtually indistinguishable, paving the way for more efficient quantum communication. The breakthrough utilizes semiconductor nanostructures to produce high-quality photons with an 90% indistinguishability rate.
Researchers have developed a compact Kerr microcomb that generates low-noise terahertz frequency combs and supports high-speed wireless communication. The platform combines compact packaging, low-noise terahertz synthesis, and high-order wireless modulation, enabling a scalable approach for future terahertz systems.
Scientists from ICTER developed a method that uses dynamic scattering to reduce speckle noise and improve image quality. By deliberately changing the way light reaches a stationary object, successive images can be averaged to preserve the fixed structure and weaken random artefacts.
Optica has elected three new board members, Peter J. Delfyett, Sterling Backus and Frédérique Vanholsbeeck, who will bring their expertise and leadership to the organization. Delfyett, a renowned ultrafast optics expert, will serve as 2027 Optica Vice President.
Researchers successfully created circularly polarized emitters from racemic gold-silver clusters by separating them into mirror-image forms using chiral oxygen-donor ligands. The phosphate-protected enantiomer pair exhibited high photoluminescence quantum yields and luminescence dissymmetry factors.
Researchers at the University of California San Diego have developed a new approach to switch magnetic states using light, which could lead to faster and more efficient data storage. By shaping and shrinking light, they were able to overcome limitations of previous methods and achieve optical switching in thicker magnetic materials.
This technology optimizes the structural design and placement of barrier materials to enhance light-signal transmission in photonic integrated circuits. It improves the deposition and manipulation of silicon carbon nitride and silicon nitride, leading to enhanced PIC reliability and longevity.
The robotic lab can autonomously assemble and fine-tune optics experiments, reducing manual setup time from days or months to minutes. This could enable scientists to focus on theoretical work and accelerate innovation in fields like quantum technologies and renewable energy.
A recent study explores topology imprinting in nonlinear metasurfaces, enabling precise control of light at the nanoscale. This approach can generate complex structured light fields while preserving their unique structures across different wavelengths, paving the way for compact next-generation photonic technologies.
This technology features arrays of single-erbium ion qubits embedded in silicon-based hollow nanopillars, enabling high-performance, room-temperature quantum sensing and communication. It demonstrates record-long optical coherence times in the telecom C-band, exceeding 500 μs at ambient conditions.
Graphene diffractive zone plates can produce wavelength-dependent focal and interference patterns that serve as physical responses. AI analysis transforms these patterns into compact binary security responses.
Kyocera and Tohoku University developed a new technology integrating optical isolators onto silicon photonics chips using laser annealing. This method allows for localized heating, reducing damage to surrounding components. The technology resulted in an isolation ratio of 13.6 dB, confirming its operation as an optical isolator.
Researchers developed nanostructures using MoOCl2, exhibiting polarization-controlled metal and dielectric resonances, with dielectric resonance exhibiting a higher quality factor and stronger photoemission signal
Distributed Acoustic Sensing enables standard optical fiber cables to detect vibrations, acoustic waves, and dynamic strain over long distances. The review highlights the technology's rapid growth and increasing importance, with applications in geophysics, civil engineering, transportation, and environmental monitoring.
The team developed an optical ultrasonic sensor that detects minute vibrations caused by sound using light, overcoming signal attenuation in air. The sensor delivers exceptional performance with a high receiving responsivity and ultra-high sensitivity.
Optical convolution computation enables parallel light propagation and multiplexing for faster and more energy-efficient computing systems. The review organizes the field into two paradigms: definition-based and theorem-based, which leverage mathematical principles to implement convolution operations in the physical domain.
The MDPI Subject Workshop: Microelectronics, Microsystems, Sensors, and Their Applications will explore a broad range of topics, including microelectronics, microsystems, sensors, and their applications. Researchers and industry professionals will gather to exchange knowledge and discuss emerging technologies.
SEAS researchers demonstrate a unique 'all-mechanical coherence protection' of a silicon-vacancy spin in diamond using continuous mechanical driving fields made of phonons. This approach extends the spin coherence time by roughly a factor of three, establishing the potential for compact, sound-based quantum networks on chips.
Researchers at Princeton University have created a semiconductor that can change its properties in response to light, enabling the creation of energy-efficient sensors and computing technologies. This breakthrough material is just a few molecules thick and can be programmed, erased, and reprogrammed with light.
A team of researchers has developed a low-loss silicon nitride waveguide that generates broadband light on a chip by replacing hydrogen with deuterium. The waveguide demonstrates a chip-scale waveguide that stretches infrared laser pulses into a spectrum running from visible red to deep into the infrared.
A research team at Pohang University of Science and Technology developed technologies for producing sharp full-color images using metalenses, addressing two major challenges: high optical performance and scalable manufacturing. The team solved the issue of achromatic performance by controlling the height of nanoscale pillars, enabling ...
More than 400 executives and policymakers will attend the forum to examine opportunities and challenges shaping the global photonics industry. The event features keynote presentations from industry leaders and a celebration of the 2026 Optica i4 Prize winners.
Researchers developed a technique to control internal structure of semiconductor materials using ultra-fast flashes of light, producing materials with up to 50 times more electrical current from light. The method works on transparent conducting glass, preserving useful properties that conventional heating methods cannot easily achieve.
The new journal aims to include contributions from the quantum industry and explicitly address technological context, implementation challenges, and application pathways of reported work. Publishing with SPIE ensures researchers' work gains exceptional visibility and rigorous peer review.
A team proposes a new theoretical framework called Non-Hermitian Statistical Crystallography to jointly control light absorption and amplification. They extend research on controlling light scattering beyond conventional crystal structures to disordered systems, enabling 'stealthy hyperuniformity' and precision directional control.
Shengxi Huang, associate professor at Rice University, was elected a SPIE Fellow for her contributions to optics and photonics. The recognition acknowledges her work in multidisciplinary fields involving optics, photonics, and imaging.
The competition brings seven teams together to pitch optics and photonics technologies with cash prizes and industry mentorship. Previous winners include Max-IR Labs, Advanced Optronics, and Coalesenz.
Researchers have introduced topological couplers into coupled resonator optical waveguides, decoupling free spectral range and finesse to alleviate the bandwidth tradeoff. This innovation leads to a significant improvement in bandwidth, enabling applications in wavelength division multiplexing and nonlinear optical processing.
Researchers developed a wearable device that measures blood flow through tiny vessels beneath the skin and associates it with mental health symptoms. The study found moderate success in distinguishing between people reporting stress-related symptoms and those who did not.
Researchers at DTU Electro have developed a method to double the usable wavelength range of ultra-low-noise supercontinuum lasers in a single fiber. This breakthrough enables stable broadband light with exceptionally low noise, benefiting medical imaging, gas sensing, and spectroscopy. The new source spans from 0.86 to 2.90 micrometers...
Researchers have developed a new photonic architecture that enables scalable spatiotemporal interleaving networks for high-density integrated photonic convolution. The SPIN (Spatiotemporal Photonic Interleaving Network) framework reduces waveguide complexity and increases programmability in wavelength-domain interleaving, enabling comp...
Scientists create a hybrid system that combines the strengths of two materials to generate broad ranges of light frequencies on a chip. The device uses silicon nitride and silica, allowing for Raman lasing and optical frequency combs with high efficiency and power conversion.
Researchers at University of Witwatersrand have discovered that quantum information can be kept intact even when transmitted through turbulent environments. This breakthrough enables the use of twisted light to create high-capacity communication networks and ultra-resilient quantum computers.
Researchers discover diffraction behaviors never seen in conventional quasicrystals using a new type of monotile structure. The team's findings open a new direction for exploring the fusion of quasiperiodic order and chirality, with potential applications in light manipulation and optical devices.
A new mathematical approach using optics helps computers solve larger, more complex optimization problems by reducing computational demands. The framework can be applied to various real-world challenges, including facility placement and data clustering, with potential benefits for a carbon-neutral future.
Researchers have developed a tiny circuit that can encode and decode digital information using a hidden property of electrons called valleys. The device generates, routes, and reads valley information entirely on chip at room temperature, demonstrating the potential for valley multiplexing to increase photonic chip capacity.
A team of researchers at Harvard and Max Planck Institute have developed three new functional components for photonic microchips using an inverse design algorithm. The compact designs are about 500 times smaller than conventional designs and offer a path toward higher-performance integrated light technologies.
Researchers at Max Planck Institute create a new optical fiber by freezing a liquid core in nitrogen, achieving extreme nonlinearities and optoacoustic memory. This breakthrough enables drastically reduced energy consumption for photonic computing architectures.
A joint research team from SNU and University of Seoul developed a programmable photonic integrated circuit that can slow light on demand. This innovation enables the storage, delay, and control of light within a single photonic chip, overcoming limitations in optical computing technologies.
Researchers at UCLA have demonstrated a way to integrate terahertz functions onto a single chip using quantum well structures, paving the way for compact and scalable systems. This breakthrough could enable practical and widespread use of terahertz technology in applications such as ultrafast wireless communication, security screening,...
Researchers at Adelaide University developed a laser-based technology to detect toxic methanol in sealed spirit bottles, even through colored glass. The system uses Raman spectroscopy to identify the unique chemical 'fingerprint' of a liquid through its packaging.
Researchers at MIT have developed a microscopic pixel-based tunable lens that controls incoming infrared light for more precise thermal imaging, chemical sensing, or pollution monitoring. The system enables compact, dynamic infrared cameras with potential applications in environmental protection, space research, and military technology.
Scientists developed a device that controls heat radiation direction and switches this effect on and off, enabling 'heat programming' like microchip data. The new material exhibits different responses depending on light direction, improving efficiency compared to previous devices.
Researchers have developed a tiny, electrically tunable infrared filter that can distinguish between different materials and gases based on their spectral 'fingerprints'. This technology has the potential to enable handheld pollution detectors, compact multispectral cameras, and next-generation chemical sensing devices.
Researchers propose a new framework, BOC, inspired by biological nervous systems to build more adaptive intelligent systems. The framework integrates sensing, memory, and computation directly at the hardware level, reducing data movement and latency.
Scientists at SUSTech and collaborators report first experimental observation of one-sided chiral hinge states in a 3D magnetic Weyl photonic crystal, verifying the 3D QHE of Fermi arcs. The discovery reveals a new physical mechanism for robust light transport in 3D space with potential applications in topological photonic devices.
The SPIE Prism Awards honor exceptional new products making waves in the photonics industry. Finalists will be announced on November 4, 2026, with winners receiving promotion and recognition at SPIE Photonics West.
The new photonic architecture harnesses three fundamental degrees of freedom: wavelength, mode, and polarization, achieving 192 parallel computing channels. The chip supports large, reconfigurable convolution kernels up to 13x13, capturing global structural contours while preserving fine details.
Researchers developed a non-contact optical sensing strategy to detect ethanol molecules in air using light-field distortions and deep learning. The system employs a graphene-based Fresnel lens to focus light through interference, capturing minute changes in the focal spot formed by the lens.
Researchers discovered that lithium doping of a 12-benzene-ring molecule creates a material with strong optical responses due to synergistic effects between aromaticity and charge transfer. This finding establishes fundamental design principles for high-performance carbon-based photonic devices.
Researchers have developed a polymer-based microring resonator array with over 40 elements, demonstrating broadband acoustic detection and fine spatial resolution. The system achieved strong correspondence with biological structures, including blood vessel regions, in imaging mouse prostate tissue.
Scientists create microscopic 3D light-emitting ceramic structures using chemical synthesis and advanced laser-based 3D printing, enabling the fabrication of single-phase crystalline YAG:Ce³⁺ with high precision. This technology has the potential to transform the design and manufacturing of optical devices, leading to more energy-effic...
Researchers propose a Digital Twin Optical Computing System that reduces dependence on physical hardware for task development. The DT-OCS framework enables offline simulation, training, and optimization of computational tasks, improving research efficiency and application flexibility.
The winning research article integrates evolutionary algorithms with nonlinear laser dynamics to establish a novel framework for programmable photonic states. It has strong implications for optical information processing and next-generation communication technologies.
A team of NUS researchers has developed a self-testing quantum chip that generates certified random numbers while verifying its own measurement hardware's functionality. The chip, published in PRX Quantum, removes the trust assumption in traditional random number generators.
Researchers developed an interferometric second-harmonic generation imaging approach to identify antiparallel domains and detect hidden structural defects in hBN thin films. The study finds that SHG intensity is closely associated with differences in crystal orientation and destructive interference between domains.
Researchers summarize recent developments in terahertz biophotonics, highlighting its potential for overcoming technical limitations in fields like skin cancer diagnosis, wound assessment, and drug discovery. The study provides a roadmap for future research to improve the field's practical applications.
Researchers developed a deep-learning framework that uses real-world measurements to design optical surfaces with precise control over light behavior. The AI model achieves high consistency with experimental results while reducing simulation costs and time.