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Optics & Photonics news
Researchers develop novel photopyroelectric tweezer for versatile manipulation
Optical tweezers and related techniques provide extraordinary opportunities for research and applications in the physical, biological, and medical fields. However, certain requirements such as high-intensity laser beams, ...
Optics & Photonics
1 hour ago
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Low-frequency photonic simulator breaks barriers
A research team led by Prof. Li Chuanfeng from the University of Science and Technology of China (USTC) has achieved a breakthrough in quantum photonics. They developed an on-chip photonic simulator capable of simulating ...
Optics & Photonics
1 hour ago
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Novel molecular design achieves 1,300-fold increase in scintillator radioluminescence
Scientists from the National University of Singapore (NUS) have developed a highly effective and general molecular design that enables an enhancement in radioluminescence within organometallic scintillators by more than three ...
Optics & Photonics
Dec 24, 2024
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Researchers reveal full-gray optical trap in structured light
A research group led by Prof. Yao Baoli and Dr. Xu Xiaohao from Xi'an Institute of Optics and Precision Mechanics (XIOPM) of the Chinese Academy of Sciences have revealed a full-gray optical trap in structured light, which ...
Optics & Photonics
Dec 24, 2024
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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
Dec 23, 2024
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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
Dec 23, 2024
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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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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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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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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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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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More news
Time-symmetry concept boosts accuracy of radar and LiDAR systems
Infrared detectors made from quantum dots—a keener eye for the invisible
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