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Optics & Photonics news
Dual-cation strategy boosts upconversion efficiency in stable oxide perovskites
Researchers at the Hefei Institutes of Physical Science of the Chinese Academy of Sciences have developed a new way to significantly enhance upconversion luminescence in oxide perovskites, a class of materials known for their ...
Optics & Photonics
Dec 29, 2025
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New optical method reveals micellar structure changes under extensional stress
Complex fluids, such as polymer melts and concentrated suspensions, are foundational materials for industrial products, including high-strength plastics and optical components. The final performance of these materials depends ...
Optics & Photonics
Dec 29, 2025
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Twisted light-matter systems unlock unusual topological phenomena
Properties that remain unchanged when materials are stretched or bent, which are broadly referred to as topological properties, can contribute to the emergence of unusual physical effects in specific systems.
Detecting the hidden magnetism of altermagnets
Altermagnets are a newly recognized class of antiferromagnets whose magnetic structure behaves very differently from what is found in conventional systems. In conventional antiferromagnets, the sublattices are linked by simple ...
Condensed Matter
Dec 26, 2025
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New image sensor breaks optical limits
Imaging technology has transformed how we observe the universe—from mapping distant galaxies with radio telescope arrays to unlocking microscopic details inside living cells. Yet despite decades of innovation, a fundamental ...
Optics & Photonics
Dec 24, 2025
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Ultrafast fluorescence pulse technique enables imaging of individual trapped atoms
Researchers at the ArQuS Laboratory of the University of Trieste (Italy) and the National Institute of Optics of the Italian National Research Council (CNR-INO) have achieved the first imaging of individual trapped cold atoms ...
Optics & Photonics
Dec 23, 2025
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Controlling exciton flow in moiré superlattices: New method leverages correlated electrons
Excitons are pairs of bound negatively charged electrons and positively charged holes that form in semiconductors, enabling the transport of energy in electronic devices. These pairs of charge carriers also emerge in transition ...
Elegant solution for measuring ultrashort laser pulses discovered
Ultrashort laser pulses—that are shorter than a millionth of a millionth of a second—have transformed fundamental science, engineering and medicine. Despite this, their ultrashort duration has made them elusive and difficult ...
Optics & Photonics
Dec 18, 2025
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Shortest light pulse ever created captures ultrafast electron dynamics
Electrons determine everything: how chemical reactions unfold, how materials conduct electricity, how biological molecules transfer energy, and how quantum technologies operate. But electron dynamics happens on attosecond ...
Optics & Photonics
Dec 17, 2025
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Conventional entanglement can have thousands of hidden topologies in high dimensions
Researchers from the University of the Witwatersrand in South Africa, in collaboration with Huzhou University, discovered that the entanglement workhorse of most quantum optics laboratories can have hidden topologies, reporting ...
Optics & Photonics
Dec 17, 2025
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Active thermal metasurfaces amplify heat signatures by a factor of nine
Light undergoes a unique phenomenon called superscattering, an optical illusion where a very small object scatters far more light than expected. This happens when multiple scattering modes overlap and interact, allowing tiny ...
Shaking magnets with ultrafast light pulses reveals surprising spin control
An international team of researchers led by Lancaster University has discovered a highly efficient mechanism for shaking magnets using very short light pulses, shorter than a trillionth of a second. Their research is published ...
Condensed Matter
Dec 16, 2025
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Near-infrared light enables wireless power and data transfer for medical implants
A new study from a research team at the Center for Wireless Communications Network and Systems (CWC-NS) at the University of Oulu has introduced an approach using near-infrared (NIR) light beyond light therapy to facilitate ...
Optics & Photonics
Dec 15, 2025
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Scientists create stable, switchable vortex knots inside liquid crystals
The knots in your shoelaces are familiar, but can you imagine knots made from light, water, or from the structured fluids that make LCD screens shine?
Optics & Photonics
Dec 15, 2025
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3D-printed helixes show promise as THz optical materials
Researchers at Lawrence Livermore National Laboratory (LLNL) have optimized and 3D-printed helix structures as optical materials for terahertz (THz) frequencies, a potential way to address a technology gap for next-generation ...
Condensed Matter
Dec 15, 2025
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Advanced optical model clarifies how complex materials interact with polarized light
Scientists at the University of Oxford demonstrate an approach to interpreting how materials interact with polarized light, which could help advance biomedical imaging and material design.
Optics & Photonics
Dec 15, 2025
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New agentic AI platform accelerates advanced optics design
Stanford engineers debuted a new framework introducing computational tools and self-reflective AI assistants, potentially advancing fields like optical computing and astronomy.
Optics & Photonics
Dec 15, 2025
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Newly engineered giant superatoms show promise for reliable quantum state transfer
Quantum technologies are systems that leverage quantum mechanical effects to perform computations, share information or perform other functions. These systems rely on quantum states, which need to be reliably transferred ...
Ultrashort laser pulses catch a snapshot of a 'molecular handshake'
Liquids and solutions are complex environments—think, for example, of sugar dissolving in water, where each sugar molecule becomes surrounded by a restless crowd of water molecules. Inside living cells, the picture is even ...
Optics & Photonics
Dec 14, 2025
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Zero lasing modes are not always topological
The convergence of non-Hermitian physics and topological photonics has opened exciting research directions in recent years, particularly in the development of robust laser systems.
Optics & Photonics
Dec 13, 2025
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All-optical modulation in silicon achieved via an electron avalanche process
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Reconfigurable platform slows lights for on-chip photonic engineering
Shaping quantum light unlocks new possibilities for future technologies
Rydberg-atom detector conquers a new spectral frontier
X-ray spikes reveal electron beam size
A solid-state quantum processor based on nuclear spins
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Rapid X-ray pulses enable 100-fold efficiency boost for photoionization
Nanoscale 'Bragg gratings' on photonic chips suppress noise in laser light
Entanglement-enhanced optical lattice clock achieves unprecedented precision
Shop-bought cable helps power two quantum networks
OLEDs can now switch light's handedness with an electrical signal
Ultrafast UV-C laser pulses generated and detected using 2D materials
A coral reef's daily pulse reshapes microbes in surrounding waters
Physicists repair flaw of established quantum resource theorem
Sunlight-driven nanoparticles enable cleaner ammonia synthesis at room temperature
