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Optics & Photonics news
Twisted Edison: Filaments curling at the nanoscale produce light waves that twirl as they travel
Bright, twisted light can be produced with technology similar to an Edison light bulb, researchers at the University of Michigan have shown. The finding adds nuance to fundamental physics while offering a new avenue for robotic ...
General Physics
9 hours ago
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Printable laser-emitting droplets offer new display technology
Researchers at the University of Tsukuba have developed an innovative method for rapidly creating laser light sources in large quantities using an inkjet printer that ejects laser-emitting droplets.
Optics & Photonics
12 hours ago
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New electron microscopy technique reveals complex spin structures at femtosecond timescales
Plasmons are collective oscillations of electrons in a solid and are important for a wide range of applications, such as sensing, catalysis, and light harvesting. Plasmonic waves that travel along the surface of a metal, ...
Condensed Matter
Dec 20, 2024
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197
Team presents first demonstration of quantum teleportation over busy internet cables
Northwestern University engineers are the first to successfully demonstrate quantum teleportation over a fiberoptic cable already carrying internet traffic.
Optics & Photonics
Dec 20, 2024
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Dual-comb method achieves first precise absolute distance measurement over 100 km
A team of physicists and engineers at China's Hefei National Laboratory has succeeded in conducting the first instance of precise absolute distance measurement over a path exceeding 100 km. The group has written a paper describing ...
Compact on-chip polarimeter measures light polarization with high accuracy
Reliably measuring the polarization state of light is crucial for various technological applications, ranging from optical communication to biomedical imaging. Yet conventional polarimeters are made of bulky components, which ...
Purple diamond maser could one day amplify signals from deep space
UNSW engineers have developed and built a special maser system that boosts microwave signals—such as those from deep space—but does not need to be super-cooled.
Optics & Photonics
Dec 19, 2024
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Optical spring enables programmable defect mode in new mechanical crystal
Mechanical crystals, also known as phononic crystals, are materials that can control the propagation of vibrations or sound waves, just like photonic crystals control the flow of light. The introduction of defects in these ...
Miniaturized all-fiber photoacoustic spectrometer for intravascular gas detection rivals lab-based systems
Miniaturized spectroscopy systems that can detect trace concentrations at the parts-per-billion (ppb) level are of the utmost importance in applications ranging from environmental monitoring and industrial process control ...
Optics & Photonics
Dec 18, 2024
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Nonlinear 'skin effect' unveiled in antiferromagnetic materials
A team of researchers has identified a unique phenomenon, a "skin effect," in the nonlinear optical responses of antiferromagnetic materials. The research, published in Physical Review Letters, provides new insights into ...
Condensed Matter
Dec 18, 2024
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40
Physicists magnetize a material with light: Terahertz technique could improve memory chip design
MIT physicists have created a new and long-lasting magnetic state in a material, using only light.
Condensed Matter
Dec 18, 2024
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64
Hyperspectral imaging lidar system achieves remote plastic identification
Researchers have developed a new hyperspectral Raman imaging lidar system that can remotely detect and identify various types of plastics. This technology could help address the critical issue of plastic pollution in the ...
Optics & Photonics
Dec 17, 2024
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74
Researchers achieve near-unity quantum efficiency in 2D photon emitters
Leveraging the principles of quantum mechanics, quantum computers can perform calculations at lightning-fast speeds, enabling them to solve complex problems faster than conventional computers. In quantum technology applications ...
Optics & Photonics
Dec 17, 2024
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Infrared quantum ghost imaging illuminates—but doesn't disturb—living plants
A study published in the journal Optica demonstrates live plant imaging of several representative plant samples, including the biofuel crop sorghum. By employing a novel detector, researchers obtained clear images of living ...
Optics & Photonics
Dec 13, 2024
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Bringing the power of tabletop precision lasers for quantum science to the chip scale
For experiments that require ultra-precise measurements and control over atoms—think two-photon atomic clocks, cold-atom interferometer sensors and quantum gates—lasers are the technology of choice, the more spectrally ...
Optics & Photonics
Dec 12, 2024
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Scientists control quantum states in new energy range
An international team of scientists led by Dr. Lukas Bruder, junior research group leader at the Institute of Physics, University of Freiburg, has succeeded in producing and directly controlling hybrid electron-photon quantum ...
Optics & Photonics
Dec 12, 2024
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Room-temperature superconductivity: Researchers uncover optical secrets of Bi-based superconductors
Copper-oxide (CuO2) superconductors, such as Bi2Sr2CaCu2O8+δ (Bi2212), have unusually high critical temperatures. Optical reflectivity measurements of Bi2212 have shown that it exhibits strong optical anisotropy. However, ...
Optics & Photonics
Dec 12, 2024
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Deformable mirror technology takes laser welding and 3D printing to new heights
Yongcui Mi has developed a new technology that enables real-time shaping and control of laser beams for laser welding and directed energy deposition using laser and wire. The innovation is based on the same mirror technology ...
Optics & Photonics
Dec 10, 2024
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Scientists develop cost-effective lasers for extended short-wave infrared applications
Current laser technologies for the extended short-wave infrared (SWIR) spectral range rely on expensive and complex materials, limiting their scalability and affordability. To address these challenges, ICFO researchers have ...
Optics & Photonics
Dec 10, 2024
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10,000 times faster than traditional methods: Computational framework discovers experimental designs in microscopy
For human researchers, it takes many years of work to discover new super-resolution microscopy techniques. The number of possible optical configurations of a microscope—for example, where to place mirrors or lenses—is ...
Optics & Photonics
Dec 10, 2024
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More news
Time-symmetry concept boosts accuracy of radar and LiDAR systems
Infrared detectors made from quantum dots—a keener eye for the invisible
New laser technique achieves atomic-scale precision on diamond surfaces
Other news
Two Earth-sized exoplanets orbiting nearby star detected
Extremely rare baby mammoth found in Siberia
Solar geoengineering could save 400,000 lives a year
Researchers develop tool to fast-track measurement of protein interactions for drug discovery
Biologists studying apples discover structural cell protein also directly regulates gene transcription
Light and symmetry study may offer opportunities for anti-counterfeiting
Researchers use laser beams to pioneer new quantum computing breakthrough
Capturing complex atoms in optical tweezers
Ocean showdown: How marlin and sardines outsmart each other
Quantum research sheds new light on how cells communicate
