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Optics & Photonics news
Complete-basis-reprogrammable coding metasurface for generating dynamically-controlled holograms
An article in Opto-Electronic Advances, discusses complete-basis-reprogrammable coding metasurface for generating dynamically-controlled holograms under arbitrary polarization states.
Optics & Photonics
Aug 30, 2024
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Researchers present new diagnostic tool for laser-plasma accelerator using metal foil as 3D scanner
Laser-plasma accelerators take up less space than conventional facilities, which are sometimes kilometers long. Such compact particle sources can accelerate electron bunches efficiently, enabling X-ray lasers that fit in ...
Optics & Photonics
Aug 30, 2024
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New Sisyphus cooling technique could enhance precision of atomic clocks
Researchers in the Neutral Atom Optical Clocks Group at the National Institute of Standards and Technology (NIST), University of Colorado and Pennsylvania State University recently devised a new sub-recoil Sisyphus cooling ...
Computational imaging empowers laser material processing with snapshot compressive microscopy
A team of researchers has developed a novel computational imaging system designed to address the challenges of real-time monitoring in ultrafast laser material processing. The new system, known as Dual-Path Snapshot Compressive ...
Optics & Photonics
Aug 28, 2024
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Ultracompact fiber-tip sensor achieves high sensitivity in magnetic field and temperature measurements
Magnetic field sensing plays a pivotal role in numerous fields of medical, transportation and aerospace. The optical fiber-based magnetic field sensor possesses outstanding characteristics of compactness, long-distance interrogation, ...
Optics & Photonics
Aug 28, 2024
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Scientists develop DMG equalization strategy via femtosecond laser micromachining induced refractive index tailoring
Optical fiber, as a physical medium for information transmission, is the "highway" of modern economic and social development. However, with the continuous emergence of high-speed and high-capacity communication scenarios ...
Optics & Photonics
Aug 28, 2024
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Tiny new lasers fill a long-standing gap in the rainbow of visible-light colors, opening new applications
It's not easy making green. For years, scientists have fabricated small, high-quality lasers that generate red and blue light. However, the method they typically employ—injecting electric current into semiconductors—hasn't ...
Optics & Photonics
Aug 28, 2024
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Quantum optical phenomenon in the brain challenges conventional view of amyloid in Alzheimer's
A unique quantum effect in biology could be the key to understanding a common marker of Alzheimer's, raising questions about current assumptions of the disease and informing the search for a cure.
Optics & Photonics
Aug 28, 2024
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Reconfigurable sensor can detect particles 0.001 times the wavelength of light
In recent years, advances in photonics and materials science have led to remarkable developments in sensor technology, pushing the boundaries of what can be detected and measured. Among these innovations, non-Hermitian physics ...
Optics & Photonics
Aug 27, 2024
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Scientists create ultracompact polarization-entangled photon sources for miniaturized quantum devices
Scientists have created an ultra-thin light source that emits pairs of polarization-entangled photons. These specially correlated photons hold promise for future quantum technologies, including ultra-secure communication, ...
Optics & Photonics
Aug 27, 2024
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Proof-of-concept study demonstrates mid-infrared computational temporal ghost imaging
Ghost imaging in the time domain allows for reconstructing fast temporal objects using a slow photodetector. The technique involves correlating random or pre-programmed probing temporal intensity patterns with the integrated ...
Optics & Photonics
Aug 26, 2024
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Test of a prototype quantum internet runs under New York City for half a month
To introduce quantum networks into the marketplace, engineers must overcome the fragility of entangled states in a fiber cable and ensure the efficiency of signal delivery. Now, scientists at Qunnect Inc. in Brooklyn, New ...
Ultra-sensitive photothermal microscopy technique detects single nanoparticles as small as 5 nm
The detection of individual particles and molecules has opened new horizons in analytical chemistry, cellular imaging, nanomaterials, and biomedical diagnostics. Traditional single-molecule detection methods rely heavily ...
Optics & Photonics
Aug 23, 2024
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New 'chiral vortex' of light allows chemists to 'see' molecules through the mirror
An entirely new structure of light is helping to measure chirality in molecules more accurately and robustly than ever before, in a major potential step for the pharmaceutical industry.
Optics & Photonics
Aug 23, 2024
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A mechanism that transfers energy from nitrogen to argon enables bidirectional cascaded lasing in atmospheric air
To produce light, lasers typically rely on optical cavities, pairs of mirrors facing each other that amplify light by bouncing it back and forth. Recently, some physicists have been investigating the generation of "laser ...
Scientists demonstrate innovative perovskite waveguides with edge lasing effect
Integrated photonic circuits operating at room temperature combined with optical nonlinear effects could revolutionize both classical and quantum signal processing. Scientists from the Faculty of Physics at the University ...
Optics & Photonics
Aug 22, 2024
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Developing innovative new display technologies to create ultrahigh-definition screens efficiently
A research team has developed a double-layer dry transfer printing technology that simultaneously transfers light-emitting and electron-transferring layers onto a substrate. This technology is expected to provide a more life-like ...
Optics & Photonics
Aug 22, 2024
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Repurposing pencil lead as an optical material using plasma
Optical materials are essential in many modern applications, but controlling the way a material reflects light on its surface is costly and difficult. Now, in a recent study, researchers from Japan found a simple and low-cost ...
Optics & Photonics
Aug 22, 2024
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Physicists observe key minuscule molecular interactions in ultra-fast atomic processes
An international team of scientists is the first to report incredibly small time delays in a molecule's electron activity when the particles are exposed to X-rays.
Optics & Photonics
Aug 22, 2024
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Advanced orbital angular momentum mode switching in multimode fiber utilizing an optical neural network chip
The rapid development of technologies such as the internet, mobile communications, and artificial intelligence has dramatically increased the demand for high-capacity communication systems. Among various solutions, mode-division ...
Optics & Photonics
Aug 21, 2024
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More news
Novel light transport model improves X-ray phase contrast imaging
Coherence entropy unlocks new insights into light-field behavior
X-ray imagery of vibrating diamond opens avenues for quantum sensing
Lasers deliver powerful shocking punch in material experiments
Glimpse into the nanoworld: Microscope reveals tiniest cell processes
Metalenses phase characterization by multi-distance phase retrieval
Researchers develop energy-efficient optical neural networks
Other news
Researchers identify genes for low glycemic index and high protein in rice
Novel chemical tool aims to streamline drug-making process
A 'measure' advance for ultrashort laser light
Researchers achieve super-Bloch oscillations in strong-driving regime
New light source emits bright, entangled photons for quantum communication
Optimization for inverse problem solving in computer-generated holography
New 'game-changing' discovery for light-driven artificial intelligence
Microscopy breakthrough promises better imaging for sensitive materials
Enhancing microbe memory to better upcycle excess CO₂
AI tool maps out cell metabolism with precision
Promising antibiotic candidates discovered in microbes deep in the Arctic Sea
