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Optics & Photonics news
Researchers develop a laser that produces the strongest ultra-short laser pulses to date
The word laser usually conjures up an image of a strongly concentrated and continuous light beam. Lasers that produce such light are, in fact, very common and useful. However, science and industry often also require very ...
Optics & Photonics
28 minutes ago
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Powerful and compact optical frequency combs provide unique opportunities
Remember those big, clunky machines needed for super precise light measurements? Those days are fading thanks to tiny devices called microcombs. These chips can do the same job, but on a much smaller scale, opening doors ...
Optics & Photonics
Oct 11, 2024
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Researchers create a three-dimensional multi-focus laser for glass micro-sculpting
Glass materials are widely used in optical and optoelectronic devices due to their low cost and excellent mechanical and optical properties. Among them, glass concave/convex linear structures with feature sizes ranging from ...
Optics & Photonics
Oct 11, 2024
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Interdisciplinary advances in microcombs: Bridging physics and information technology
Researchers are excited about the potential of microcombs, miniature devices that generate precise time and frequency standards. These microcombs could revolutionize fields from high-speed communication, high-resolution measurements ...
Optics & Photonics
Oct 11, 2024
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Harnessing quantum principles: Phased arrays within phased arrays for smarter, greener indoor optical wireless networks
Imagine a future where indoor wireless communication systems handle skyrocketing data demands and do so with unmatched reliability and speed. Traditional radio frequency (RF) technologies like Wi-Fi and Bluetooth are beginning ...
Hybrid fiber pump combiner could advance mid-IR laser systems
In the last two decades, the rapid advancement in applications such as environmental monitoring, medical diagnostics, and global positioning has intensified the focus on developing novel mid-IR light sources. Fiber-based ...
Optics & Photonics
Oct 9, 2024
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New photonics approach enhances quantum computation efficiency
A recent study, published in Nature Photonics, by Prof. Yaron Bromberg and Dr. Ohad Lib from the Racah Institute of Physics at the Hebrew University of Jerusalem has made significant strides in advancing quantum computing ...
Optics & Photonics
Oct 9, 2024
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Smart new laser technology can monitor greenhouse gases faster, more sensitively
Scientists at the National Institute of Standards and Technology (NIST) have developed a new laser-based technique that could dramatically improve our ability to analyze a variety of materials and gases, including greenhouse ...
Optics & Photonics
Oct 9, 2024
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Quantum physicists tap into entanglement to improve the precision of optical atomic clocks
Imagine walking into a room where several different grandfather clocks hang on the walls, each ticking at a different pace. Quantum physicists at the University of Colorado Boulder and the National Institute of Standards ...
Optics & Photonics
Oct 9, 2024
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Quantum register reaches 1,200 neutral atoms in continuous operation
A team of physicists led by Johannes Zeiher, research group leader in Immanuel Bloch's Quantum Many-Body Systems department and co-founder of the MPQ spin-off planqc, has achieved significant progress in scaling up quantum ...
Optics & Photonics
Oct 9, 2024
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Highly sensitive quantum sensors for medicine: First successful demonstration of a dual-media NV diamond laser system
Measuring tiny magnetic fields, such as those generated by brain waves, enables many new novel opportunities for medical diagnostics and treatment. The research team led by Dr. Jan Jeske at Fraunhofer IAF is working on a ...
Condensed Matter
Oct 8, 2024
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AI predicts optical properties to speed up the discovery of energy and quantum materials
Researchers from Tohoku University and the Massachusetts Institute of Technology (MIT) have unveiled a new AI tool for high-quality optical spectra with the same accuracy as quantum simulations, but working a million times ...
Optics & Photonics
Oct 7, 2024
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Engineers create a chip-based tractor beam for biological particles
MIT researchers have developed a miniature, chip-based "tractor beam," like the one that captures the Millennium Falcon in the film "Star Wars," that could someday help biologists and clinicians study DNA, classify cells, ...
Optics & Photonics
Oct 3, 2024
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Logic with light: Introducing diffraction casting, optical-based parallel computing
Increasingly complex applications such as artificial intelligence require ever more powerful and power-hungry computers to run. Optical computing is a proposed solution to increase speed and power efficiency but has yet to ...
Optics & Photonics
Oct 3, 2024
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As the Advanced Photon Source upgrade nears completion, scientists anticipate experimental possibilities
In June, X-rays began to shine again at the U.S. Department of Energy's (DOE) Advanced Photon Source (APS), a facility where intense, directed X-ray light beams are used to inspect everything from materials for better solar ...
Optics & Photonics
Oct 2, 2024
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Quantum research paves the way toward efficient, ultra-high-density optical memory storage
As our digital world generates massive amounts of data—more than 2 quintillion bytes of new content each day—yesterday's storage technologies are quickly reaching their limits. Optical memory devices, which use light ...
Optics & Photonics
Oct 2, 2024
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Scientists demonstrate advanced low-coherence BOCDR system using periodic pseudo-random modulation
Scientists have successfully demonstrated a low-coherence Brillouin optical correlation-domain reflectometry (BOCDR) system that overcomes longstanding challenges related to spatial resolution and measurement range in mapping ...
Optics & Photonics
Oct 1, 2024
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Researchers observe hidden deformations in complex light fields
Everyday experience tells us that light reflected from a perfectly flat mirror will give us the correct image without any deformation. Interestingly, this is not the case when the light field itself is structured in a complex ...
Optics & Photonics
Oct 1, 2024
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Researchers harness liquid crystal structures to design simple, yet versatile bifocal lenses
Researchers have developed a new type of bifocal lens that offers a simple way to achieve two foci (or spots) with intensities that can be adjusted by applying external voltage. The lenses, which use two layers of liquid ...
Optics & Photonics
Oct 1, 2024
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Headband-like device uses speckle contrast optical spectroscopy to predict stroke risk
A team of researchers from the Keck School of Medicine of USC and California Institute of Technology (Caltech) have developed a potential new way to measure a person's stroke risk that is cost-effective and noninvasive, akin ...
Optics & Photonics
Sep 30, 2024
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Generating spin currents directly using ultrashort laser pulses
Researchers simulate novel metal-filtered VCSEL modal control
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Wave scattering simulation unlocks potential metamaterials
Physicists achieve ultrafast steering of quantum-entangled electrons
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Study accelerates AI-based particle size probe for medication manufacturing
Smartphone-based microscope rapidly reconstructs 3D holograms
Unique nanodisk pushes photonics research forward
'Party atmosphere': Skygazers treated to another aurora show
Scientists discover how innate immunity envelops bacteria
Machine learning could improve extreme weather warnings
