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Optics & Photonics news
Twisting light: Novel metasurface offers compact solution for circularly polarized light
Left and right circularly polarized light, where the electromagnetic waves spiral in a clockwise and counterclockwise manner as they travel, plays a crucial role in a wide range of applications, from enhancing medical imaging ...
Optics & Photonics
Jan 17, 2025
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Redefining the second: Optical atomic clock achieves record accuracy in comparison measurement
The next generation of atomic clocks "ticks" with the frequency of a laser. This is about 100,000 times faster than the microwave frequencies of the cesium clocks which are generating the second at present. These optical ...
Optics & Photonics
Jan 17, 2025
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Quantum engineers 'squeeze' laser frequency combs to make more sensitive gas sensors
For the first time ever, scientists have used a technique called "quantum squeezing" to improve the gas sensing performance of devices known as optical frequency comb lasers. These ultra-precise sensors are like fingerprint ...
Optics & Photonics
Jan 16, 2025
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Simplicity and scalability: A new economical way to create compact lenses
Paper-thin optical lenses simple enough to mass produce like microchips could enable a new generation of compact optical devices. A team with researchers at the University of Tokyo and JSR Corp. fabricated and tested flat ...
Optics & Photonics
Jan 16, 2025
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Tapered polymer fibers enhance light delivery for neuroscience research
Researchers have developed a reliable and reproducible way to fabricate tapered polymer optical fibers that can be used to deliver light to the brain. These fibers could be used in animal studies to help scientists better ...
Optics & Photonics
Jan 15, 2025
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Engineering quantum entanglement at the nanoscale
Physicists have spent more than a century measuring and making sense of the strange ways that photons, electrons, and other subatomic particles interact at extremely small scales. Engineers have spent decades figuring out ...
Optics & Photonics
Jan 14, 2025
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Diamond continues to shine: New properties discovered in diamond semiconductors
Diamond, often celebrated for its unmatched hardness and transparency, has emerged as an exceptional material for high-power electronics and next-generation quantum optics. Diamond can be engineered to be as electrically ...
Condensed Matter
Jan 14, 2025
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Nano rainbows: Expanding the light spectrum at the smallest scale
Since the invention of the laser in 1960, nonlinear optics has aimed to broaden light's spectral range and create new frequency components. Among the various techniques, supercontinuum (SC) generation stands out for its ability ...
Optics & Photonics
Jan 13, 2025
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Collaboration tests new method for protecting quantum networks
Researchers at the Department of Energy's Oak Ridge National Laboratory joined forces with EPB of Chattanooga and the University of Tennessee at Chattanooga to demonstrate the first transmission of an entangled quantum signal ...
Optics & Photonics
Jan 13, 2025
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Photoacoustic spectroscopy approach achieves real-time detection of low gas concentrations
Researchers have developed a new method for quickly detecting and identifying very low concentrations of gases. The new approach, called coherently controlled quartz-enhanced photoacoustic spectroscopy, could form the basis ...
Optics & Photonics
Jan 9, 2025
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AI technique generates clear images of thick biological samples without additional hardware
Depth degradation is a problem biologists know all too well: The deeper you look into a sample, the fuzzier the image becomes. A worm embryo or a piece of tissue may only be tens of microns thick, but the bending of light ...
Optics & Photonics
Jan 7, 2025
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Optical metrology review explores new possibilities with twisted light
Metrology serves as the cornerstone of modern industry, providing the key standards by which we measure the world. Optical metrology, in particular, has historically leveraged the notion of interference, essentially unchanged ...
Optics & Photonics
Jan 7, 2025
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Starlight to sight: Researchers develop short-wave infrared technology to allow starlight detection
Prof Zhang Zhiyong's team at Peking University developed a heterojunction-gated field-effect transistor (HGFET) that achieves high sensitivity in short-wave infrared detection, with a recorded specific detectivity above 1014 ...
Optics & Photonics
Jan 2, 2025
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Building better infrared sensors: Novel photodiode design boosts responsivity
Detecting infrared light is critical in an enormous range of technologies, from remote controls to autofocus systems to self-driving cars and virtual reality headsets. That means there would be major benefits from improving ...
Optics & Photonics
Jan 2, 2025
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Researchers improve chaotic mapping for super-resolution image reconstruction
Super-resolution (SR) technology plays a pivotal role in enhancing the quality of images. SR reconstruction aims to generate high-resolution images from low-resolution ones. Traditional methods often result in blurred or ...
Optics & Photonics
Dec 30, 2024
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A new structure design enables a dual-function system for infrared camouflage and thermal management
Combining metallic glass with the Berreman mode of epsilon-near-zero (ENZ) thin films achieves a dual-function system for infrared camouflage and thermal management within an identical wavelength region of the atmospheric ...
Optics & Photonics
Dec 27, 2024
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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
Dec 27, 2024
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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
Dec 27, 2024
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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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More news
Printable laser-emitting droplets offer new display technology
Compact on-chip polarimeter measures light polarization with high accuracy
Purple diamond maser could one day amplify signals from deep space
Nonlinear 'skin effect' unveiled in antiferromagnetic materials
Researchers achieve near-unity quantum efficiency in 2D photon emitters
Hyperspectral imaging lidar system achieves remote plastic identification
Infrared quantum ghost imaging illuminates—but doesn't disturb—living plants
Scientists control quantum states in new energy range
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New model predicts solar storm particle acceleration and escape
SpaceX catches Starship booster again, but upper stage explodes
Mars's rare disappearing solar wind event explained
A seed-sized signal amplifier chip could boost space communications
Machinery behind bacterial nanowires discovered
