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Optics & Photonics news

Wafer-scale nano-fabrication of multi-layer diffractive optical processors enables unidirectional visible imaging
Researchers at the UCLA Samueli School of Engineering, in collaboration with the Optical Systems Division at Broadcom Inc., report a broadband, polarization-insensitive unidirectional imager that operates in the visible spectrum, ...
Optics & Photonics
4 hours ago
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Quantum dot technique improves multi-photon state generation
A photonics research group co-led by Gregor Weihs of the University of Innsbruck has developed a new technique for generating multi-photon states from quantum dots that overcomes the limitations of conventional approaches. ...
Optics & Photonics
4 hours ago
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South Africa and China set up a quantum communication link: How we did it and why it's historic
A major breakthrough in quantum technology was achieved in October 2024: the first-ever quantum satellite communication link between China and South Africa. The connection spanned a remarkable 12,900 km: the longest intercontinental ...
Optics & Photonics
6 hours ago
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The US just got a new X-ray laser toolkit to study nature's mysteries
With a suite of reimagined instruments at SLAC's LCLS facility, researchers see massive improvement in data quality and take up scientific inquiries that were out of reach just one year ago.
General Physics
Aug 8, 2025
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Researchers overcome long-standing bottleneck in single photon detection with twisted 2D materials
The ability to detect single photons (the smallest energy packets constituting electromagnetic radiation) in the infrared range has become a pressing need across numerous fields, from medical imaging and astrophysics to emerging ...
Optics & Photonics
Aug 7, 2025
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Scientists discover way to pause ultrafast melting in silicon using precisely timed laser pulses
A team of physicists has discovered a method to temporarily halt the ultrafast melting of silicon using a carefully timed sequence of laser pulses. This finding opens new possibilities for controlling material behavior under ...
General Physics
Aug 7, 2025
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Ultrafast light switch achieved with asymmetric silicon metasurfaces in nanophotonics
In nanophotonics, tiny structures are used to control light at the nanoscale and render it useful for technological applications. A key element here is optical resonators, which trap and amplify light of a certain color (wavelength).
Optics & Photonics
Aug 6, 2025
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Newly derived optical formula shines a light on organic crystal altermagnet candidate
Researchers have uncovered the magnetic properties and underlying mechanisms of a novel magnet using advanced optical techniques. Their study focused on an organic crystal believed to be a promising candidate for an "altermagnet"—a ...
Condensed Matter
Aug 6, 2025
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Ionic-electronic photodetector brings in-sensor vision closer to reality
In an advance at the intersection of neuromorphic engineering and photonics, researchers have developed an ionic-electronic photodetector that not only detects light but also performs in-sensor image processing, offering ...
Optics & Photonics
Aug 4, 2025
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Ten thousand molecules in time: Generation and control of collective vibrations in a liquid
The ultrafast placement of an electron in a polar liquid generates collective molecular vibrations in a spherical nano-volume. The vibrations change the diameter of this sphere periodically for more than 100 picoseconds.
Optics & Photonics
Aug 1, 2025
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Light-based listening: Researchers develop a low-cost visual microphone
Researchers have created a microphone that listens with light instead of sound. Unlike traditional microphones, this visual microphone captures tiny vibrations on the surfaces of objects caused by sound waves and turns them ...
Optics & Photonics
Jul 31, 2025
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New imaging method reveals how light and heat generate electricity in nanomaterials
UC Riverside researchers have unveiled a powerful new imaging technique that exposes how cutting-edge materials used in solar panels and light sensors convert light into electricity—offering a path to better, faster, and ...
General Physics
Jul 31, 2025
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Researchers make key gains in unlocking the promise of compact X-ray free-electron lasers
New research by scientists from the U.S. Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab), in collaboration with scientists from TAU Systems Inc., has brought the promise of smaller and more affordable ...
Optics & Photonics
Jul 29, 2025
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New approach enables independent lasers to cooperate for unified light emission
Known for their ability to seamlessly integrate into semiconductor chips, VCSELs (vertical cavity surface-emitting lasers) are used in everything from computer mice to face-scanning hardware in smartphones. However, these ...
Optics & Photonics
Jul 29, 2025
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RGB multiplexer based on lithium niobate enables faster, more efficient light modulation for laser beam scanning
As technology advances, photonic systems are gaining ground over traditional electronics, using light to transmit and process information more efficiently. One such optical system is laser beam scanning (LBS), where laser ...
Optics & Photonics
Jul 28, 2025
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Magnetizing quantum communication: Single-photon source created using defective tungsten diselenide
As the demand for more secure data transmission increases, conventional communication technologies are facing limitations imposed by classical physics, and are therefore approaching their limits in terms of security. Fortunately, ...
Optics & Photonics
Jul 28, 2025
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New microscope creates 3D ghost images of nanoparticles using entangled photons
Ghost imaging is like a game of Battleship. Instead of seeing an object directly, scientists use entangled photons to remove the background and reveal its silhouette. This method can be used to study microscopic environments ...
Optics & Photonics
Jul 28, 2025
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Physicists show tensor mesons play important role in light-on-light scattering
Usually, light waves can pass through each other without any resistance. According to the laws of electrodynamics, two light beams can exist in the same place without influencing each other; they simply overlap. Light saber ...
Optics & Photonics
Jul 28, 2025
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New 3D headset uses holograms and AI to create lifelike mixed reality visuals
Using 3D holograms polished by artificial intelligence, researchers introduce a lean, eyeglass-like 3D headset that they say is a significant step toward passing the "Visual Turing Test."
Optics & Photonics
Jul 28, 2025
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Famous double-slit experiment holds up when stripped to its quantum essentials
MIT physicists have performed an idealized version of one of the most famous experiments in quantum physics. Their findings demonstrate, with atomic-level precision, the dual yet evasive nature of light. They also happen ...
Optics & Photonics
Jul 28, 2025
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Stoichiometric crystal shows promise in quantum memory

Multisynapse optical network outperforms digital AI models

Affordable, room-temperature maser created using LED technology

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Common food bacteria could help make vitamins cheaper and greener

Rethinking imperfections: How defects are powering brighter perovskite emissions
