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Optics & Photonics news
Novel light transport model improves X-ray phase contrast imaging
Researchers at the University of Houston unveiled an advancement in X-ray imaging technology that could provide significant improvements in medical diagnostics, materials and industrial imaging, transportation security and ...
Optics & Photonics
2 hours ago
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Electromagnetic vortex cannon could enhance communication systems
Vortex rings, a mysterious and fascinating natural phenomenon, display breathtaking structures and behaviors in both air and electromagnetic waves. Imagine an air cannon that can shoot vortex rings, creating a perfect air ...
General Physics
3 hours ago
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New insights into neural circuit imaging: A comparison of one-photon and two-photon techniques
In the quest to unravel the complexities of neural circuits, scientists are beginning to use genetically encoded voltage indicators (GEVIs) to visualize electrical activity in the brain. These indicators are crucial for understanding ...
Optics & Photonics
6 hours ago
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Coherence entropy unlocks new insights into light-field behavior
Light technology is at the heart of many cutting-edge innovations, from high-speed internet to advanced medical imaging. However, transmitting light through challenging environments, such as turbulent atmospheres or deformed ...
Optics & Photonics
Aug 13, 2024
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Research team uses tunable laser to develop straightforward broadband spectroscopy method with Hz-level precision
Since the first demonstration of the laser in the 1960s, laser spectroscopy has become an essential tool for studying the detailed structures and dynamics of atoms and molecules. Advances in laser technology have further ...
Optics & Photonics
Aug 12, 2024
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Chip that entangles four photons opens up possibility of inviolable quantum encryption
Unlike classical encryption, which relies on mathematical algorithms, quantum encryption assures security based on physical principles. Detection of espionage or interference is guaranteed by unavoidable alteration of the ...
Optics & Photonics
Aug 12, 2024
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An automated scheme for optical lens design looks set to enhance mobile phone cameras
An automated computational approach to the optical lens design of imaging systems promises to provide optimal solutions without human intervention, slashing the time and cost usually required. The result could be improved ...
Optics & Photonics
Aug 12, 2024
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85
Towards high quality transferred barium titanate ferroelectric hybrid integrated modulator on silicon
Future optical communication and signal processing systems will require high-volume optical links, wherein photonic integrated devices play a key role. Si photonics is currently among the most advanced techniques for realizing ...
Optics & Photonics
Aug 8, 2024
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X-ray imagery of vibrating diamond opens avenues for quantum sensing
When it comes to materials for quantum sensors, diamond is the best game in town, says Cornell University professor Gregory Fuchs. Now he and a team of scientists have upped diamond's game by generating exquisite imagery ...
Optics & Photonics
Aug 7, 2024
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Glimpse into the nanoworld: Microscope reveals tiniest cell processes
What does the inside of a cell really look like? In the past, standard microscopes were limited in how well they could answer this question. Now, researchers from the Universities of Göttingen and Oxford, in collaboration ...
Optics & Photonics
Aug 7, 2024
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Lasers deliver powerful shocking punch in material experiments
Shock experiments are widely used to understand the mechanical and electronic properties of matter under extreme conditions, like planetary impacts by meteorites. However, after the shock occurs, a clear description of the ...
Optics & Photonics
Aug 7, 2024
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Metalenses phase characterization by multi-distance phase retrieval
Metalens is a kind of optical metasurface composed of metaatoms for manipulating incoming light's amplitude, phase, and polarization. Unlike traditional refractive lenses, metalens can modulate the wavefront from plane to ...
Optics & Photonics
Aug 7, 2024
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Hidden harmonies: Team discovers magnon–phonon Fermi resonance in an antiferromagnet
Soon, data storage centers are expected to consume almost 10% of the world's energy generation. This increase is, among other things, due to intrinsic limitations of the materials used—ferromagnets. Consequently, this problem ...
Condensed Matter
Aug 7, 2024
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Coupling excitons to polaritons for better solar cells and higher intensity LEDs
In solar cells and light-emitting diodes, maintaining the excited state kinetics of molecules against annihilation is a race against time. These systems need to strike a careful balance between different processes that lead ...
Optics & Photonics
Aug 7, 2024
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Vertically stacked skin-like active-matrix display with ultrahigh aperture ratio
Skin-like displays are critical components of information output in next-generation portable and wearable electronics. Currently, all such displays are fabricated on glass or thick plastic substrates, limiting the inherent ...
Optics & Photonics
Aug 6, 2024
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A 'measure' advance for ultrashort laser light
The Tata Institute of Fundamental Research, Mumbai has pioneered a method to measure ultrahigh power, ultrashort laser pulses in a comprehensive manner. The paper reporting this has been published in the journal Optica.
Optics & Photonics
Aug 6, 2024
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Researchers develop energy-efficient optical neural networks
EPFL researchers have published a programmable framework that overcomes a key computational bottleneck of optics-based artificial intelligence systems. In a series of image classification experiments, they used scattered ...
Optics & Photonics
Aug 6, 2024
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Scientists develop physical node reservoir computing based on light-emitting synapses
With the development of artificial intelligence technology, various artificial hardware neural networks such as recursive neural networks, convolutional neural networks, and spiking neural networks have been proposed to meet ...
Optics & Photonics
Aug 6, 2024
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Researchers achieve super-Bloch oscillations in strong-driving regime
Full coherent control of wave transport and localization is a long-sought goal in wave physics research, which encompasses many different areas from solid-state to matter-wave physics and photonics. One among the most important ...
Optics & Photonics
Aug 5, 2024
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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
Aug 5, 2024
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More news
New light source emits bright, entangled photons for quantum communication
New 'game-changing' discovery for light-driven artificial intelligence
Microscopy breakthrough promises better imaging for sensitive materials
Study reveals soliton solutions in Maxwell-Bloch systems
Polarization and wavelength routers based on diffractive neural network
Bright prospects for engineering quantum light
Researchers trap atoms, force them to serve as photonic transistors
Combining trapped atoms and photonics for new quantum devices
Near-infrared photobiomodulation technique targets brain inflammation
Other news
Tropical Atlantic mixing rewrites climate pattern rules
Protons can tune synaptic signaling by changing the shape of a protein receptor
NASA's Perseverance rover to begin long climb up Martian crater rim
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
An affordable tracking microscope to democratize microorganism research
