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Optics & Photonics news
Optimization for inverse problem solving in computer-generated holography
Computer-generated holography (CGH) provides an approach to digitally modulate a given wavefront. This technology, partly inherited from optical holography and partly advanced by the progress of computing technology, has ...
Optics & Photonics
5 minutes ago
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New light source emits bright, entangled photons for quantum communication
Imagine the possibility of sending messages that are completely impervious to even the most powerful computers. This is the incredible promise of quantum communication, which harnesses the unique properties of light particles ...
Optics & Photonics
2 hours ago
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New 'game-changing' discovery for light-driven artificial intelligence
In a paper, titled "Partial coherence enhances parallelized photonic computing," published in Nature, researchers from the University of Oxford, along with collaborators from the Universities of Muenster, Heidelberg, and ...
Optics & Photonics
Aug 2, 2024
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Microscopy breakthrough promises better imaging for sensitive materials
An international team of scientists, led by Trinity College Dublin, has devised an innovative imaging method using state-of-the-art microscopes that significantly reduces the time and radiation required. Their work represents ...
Optics & Photonics
Aug 1, 2024
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Experiment uses quantum techniques to stimulate photons, enhancing search for dark matter
Scientists cannot observe dark matter directly, so to "see" it, they look for signals that it has interacted with other matter by creating a visible photon. However, signals from dark matter are incredibly weak. If scientists ...
Optics & Photonics
Aug 1, 2024
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Polarization and wavelength routers based on diffractive neural network
The concept of deep diffractive neural networks (D2NN) was introduced by Professor Ozcan's research team in 2018. D2NN combines the principles of light diffraction with the functionalities of neural networks. It consists ...
Optics & Photonics
Aug 1, 2024
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Study reveals soliton solutions in Maxwell-Bloch systems
Dr. Asela Abeya, of SUNY Poly faculty in the Department of Mathematics and Physics, has collaborated with peers at the University at Buffalo and Rensselaer Polytechnic Institute on a research paper titled "On Maxwell-Bloch ...
General Physics
Aug 1, 2024
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Pyramid optical networks for unidirectional image magnification and demagnification
In Light: Science & Applications journal UCLA researchers introduce an innovative design for diffractive deep neural networks (D2NNs). This new architecture, termed Pyramid-D2NN (P-D2NN), achieves unidirectional image magnification ...
Optics & Photonics
Aug 1, 2024
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Physicists use light to probe deeper into the 'invisible' energy states of molecules
A new optical phenomenon has been demonstrated by an international team of scientists led by physicists at the University of Bath, with significant potential impact on pharmaceutical science, security, forensics, environmental ...
Optics & Photonics
Jul 31, 2024
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Bright prospects for engineering quantum light
Computers benefit greatly from being connected to the internet, so we might ask: What good is a quantum computer without a quantum internet?
Optics & Photonics
Jul 31, 2024
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Ce-doped yttria transparent ceramic: A new ultraviolet-shielding material for extreme conditions
Ultraviolet (UV) radiation can break most of the chemical bonds in organic matter, and prolonged exposure to ultraviolet light can cause significant harm to humans and objects. In response, UV-shielding materials have been ...
Optics & Photonics
Jul 30, 2024
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Researchers trap atoms, force them to serve as photonic transistors
Researchers at Purdue University have trapped alkali atoms (cesium) on an integrated photonic circuit, which behaves like a transistor for photons (the smallest energy unit of light) similar to electronic transistors. These ...
Optics & Photonics
Jul 29, 2024
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Scientists investigate nonlinear current response in perovskite X-ray detectors
A research team led by Dr. Li Yunlong at the Shenzhen Institute of Advanced Technology (SIAT) of the Chinese Academy of Sciences delved into the origins of nonlinear current response in polycrystalline metal halide perovskite ...
Optics & Photonics
Jul 29, 2024
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New method for 3D quantitative phase imaging eliminates need for digital phase recovery algorithms
A study from the University of California, Los Angeles, published in Advanced Photonics introduces a cutting-edge approach to 3D Quantitative Phase Imaging (QPI) using a wavelength-multiplexed diffractive optical processor.
Optics & Photonics
Jul 26, 2024
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Novel tunable ultrasonic liquid crystal light diffuser paves the way for next-gen indoor lighting
It is no mystery that light is essential to human life. Since the discovery of fire, humans have developed various artificial light sources, such as incandescent lamps, gaslights, discharge lamps, and light-emitting diodes ...
Optics & Photonics
Jul 26, 2024
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A step closer to optical computers: Researchers develop an all-optical universal gate
A research team from Skoltech and Bergische Universität Wuppertal in Germany has created a universal NOR logical element (from NOT—a negation operator and OR—a disjunction operator).
Condensed Matter
Jul 25, 2024
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Nonreciprocal interactions go nonlinear: Non-Hermitian dynamics observed in coupled nanoparticles
Using two optically-trapped glass nanoparticles, researchers observed a novel collective Non-Hermitian and non-linear dynamic driven by non-reciprocal interactions. This contribution expands traditional optical levitation ...
Optics & Photonics
Jul 25, 2024
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Save your data on printable magnetic devices? New laser technique's twist might make this reality
The proliferation of all things digital doesn't mean that printing technology is no longer relevant. In fact, printing technology is required to make the semiconductors necessary for the digital world. And as an Osaka Metropolitan ...
Condensed Matter
Jul 25, 2024
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Combining trapped atoms and photonics for new quantum devices
Quantum information systems offer faster, more powerful computing methods than standard computers to help solve many of the world's toughest problems. Yet fulfilling this ultimate promise will require bigger and more interconnected ...
Optics & Photonics
Jul 23, 2024
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Near-infrared photobiomodulation technique targets brain inflammation
As the world grapples with an aging population, the rise in neurodegenerative diseases such as Alzheimer's and Parkinson's is becoming a significant challenge. These conditions place a heavy burden not only on those afflicted ...
Optics & Photonics
Jul 23, 2024
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More news
Sensing ultraviolet light with the help of molecular switches
AI-powered optical detection to thwart counterfeit chips
New tractor beam technology could one day minimize biopsy trauma
High-speed camera for molecules: Entangled photons enable Raman spectroscopy
Quantum microscopy study makes electrons visible in slow motion
Securely propagating entanglement at the push of a button
Neural networks made of light can make machine learning more sustainable
Researchers demonstrate anomalous Brewster effect in metamaterials
Photons from quantum dot emitters violate Bell inequality in new study
New shapes of photons open doors to advanced optical technologies
Scientists develop new technique for bespoke optical tweezers
Novel design for fast, sensitive high-energy photon detector
Other news
'Laser view' into the avocado: New method reveals cell interior
Diet of young polar cod more varied than previously assumed
Detecting nitrogen dioxide from power plants with Sentinel-2
Scientist uses state-of-the-art microscopy to discover drug candidates for cancer
Self-powered pump uses light and chemistry to remove water pollutants
Catching a star: A new species of starfish discovered in Japan
Study analyzes potato-pathogen 'arms race' after Irish potato famine
