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Optics & Photonics news
Scientists develop efficient and stable hybrid perovskite-organic LEDs with external quantum efficiency exceeding 40%
Tandem LEDs offer an effective way to integrate different light-emitting technologies for better display that meets Rec. 2020 color gamut standard. Now, scientists in China have developed a stable, efficient and high-color ...
Optics & Photonics
33 minutes ago
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Novel design for fast, sensitive high-energy photon detector
Prof. Long Shibing and his team from the University of Science and Technology of China (USTC) of the Chinese Academy of Sciences (CAS) have proposed a novel strategy for a high-energy photon detector with high sensitivity ...
Condensed Matter
2 hours ago
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Novel time-of-flight-resolved stimulated Raman scattering microscopy enables high-resolution bioimaging
Stimulated Raman scattering (SRS) microscopy is an optical vibrational spectroscopic imaging technique and has emerged as an appealing label-free imaging tool for tissue and cell imaging and characterization with high biochemical ...
Optics & Photonics
2 hours ago
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New shapes of photons open doors to advanced optical technologies
Researchers from the University of Twente in the Netherlands have gained important insights into photons, the elementary particles that make up light. They 'behave' in an amazingly greater variety than electrons surrounding ...
Optics & Photonics
4 hours ago
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Promising interlayer sensitization strategy for the construction of high-performance blue hyperfluorescence OLEDs
Multi-resonance thermally activated delayed fluorescence (MR-TADF) materials are promising candidates for organic light-emitting diodes (OLEDs) with narrow electroluminescence (EL) spectra. Scientists in China propose an ...
Optics & Photonics
8 hours ago
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Engineers develop advanced optical computing method for multiplexed data processing and encryption
Engineers at the University of California, Los Angeles (UCLA) have unveiled a major advancement in optical computing technology that promises to enhance data processing and encryption. The work is published in the journal ...
Optics & Photonics
8 hours ago
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Controlling magnetism with polarized light: Non-thermal pathway uses inverse Faraday effect
Intense laser pulses can be used to manipulate or even switch the magnetization orientation of a material on extremely short time scales. Typically, such effects are thermally induced, as the absorbed laser energy heats up ...
Condensed Matter
Jul 5, 2024
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Scientists visualize magnetic fields at atomic scale with holography electron microscope
A research team from Japan, including scientists from Hitachi, Ltd. (TSE 6501, Hitachi), Kyushu University, RIKEN, and HREM Research Inc. (HREM), has achieved a major breakthrough in the observation of magnetic fields at ...
Condensed Matter
Jul 5, 2024
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Physicists develop method to detect single-atom defects in semiconductors
One of the challenges of cramming smarter and more powerful electronics into ever-shrinking devices is developing the tools and techniques to analyze the materials that make them up with increasingly intimate precision.
Condensed Matter
Jul 4, 2024
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Scientists achieve first intercity quantum key distribution with deterministic single-photon source
Conventional encryption methods rely on complex mathematical algorithms and the limits of current computing power. However, with the rise of quantum computers, these methods are becoming increasingly vulnerable, necessitating ...
Optics & Photonics
Jul 3, 2024
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'Acceleration beats' shine bright light on a novel universal modulation regime in a semiconductor-based laser
Researchers at the Paul-Drude-Institute for Solid State Electronics (PDI) have observed a novel modulation regime characterized by the emergence of previously unseen "acceleration beats" in a modulated semiconductor-based ...
Optics & Photonics
Jul 3, 2024
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Making glucose measurement in food easier with deep learning
A collaborative research team has recently developed a new method for measuring glucose using deep learning technology. Their research was published in Laser & Photonics Reviews.
Optics & Photonics
Jul 2, 2024
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Dual-laser approach could lower cost of high-resolution 3D printing
Researchers have developed a new two-photon polymerization technique that uses two lasers to 3D print complex high-resolution structures. The advance could make this 3D printing process less expensive, helping it find wider ...
Optics & Photonics
Jul 2, 2024
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Physicists' laser experiment excites atom's nucleus, may enable new type of atomic clock
For nearly 50 years, physicists have dreamed of the secrets they could unlock by raising the energy state of an atom's nucleus using a laser. The achievement would allow today's atomic clocks to be replaced with a nuclear ...
Optics & Photonics
Jul 2, 2024
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Scientists crack new method for high-capacity, secure quantum communication
Scientists have made a significant breakthrough in creating a new method for transmitting quantum information using particles of light called qudits. These qudits promise a future quantum internet that is both secure and ...
Optics & Photonics
Jul 2, 2024
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Researchers develop low-cost light sheet fluorescence microscope
Three-dimensional (3D) imaging of organs and tissues is vital as it can provide important structural information at the cellular level. 3D imaging enables the accurate visualization of tissues and also helps in the identification ...
Optics & Photonics
Jul 2, 2024
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When ultrashort electron bunch accelerates and drastically stops, it can generate terahertz radiation
The propagation of charged particles in a medium at a speed exceeding the phase speed of light in the medium (this speed also called superluminal) leads to the generation of radiation. The diagram of generated radiation during ...
Optics & Photonics
Jul 1, 2024
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New computational microscopy technique provides more direct route to crisp images
For hundreds of years, the clarity and magnification of microscopes were ultimately limited by the physical properties of their optical lenses. Microscope makers pushed those boundaries by making increasingly complicated ...
Optics & Photonics
Jun 28, 2024
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New method for generating monochromatic light in storage rings
When ultrafast electrons are deflected, they emit light—synchrotron radiation. This is used in so-called storage rings in which magnets force the particles onto a closed path. This light is longitudinally incoherent and ...
Optics & Photonics
Jun 28, 2024
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Updating the textbook on polarization in gallium nitride to optimize wide bandgap semiconductors
An updated model reconciles the gap between recent experiments and theory concerning polarization in wurtzite semiconductors—paving the way for the development of smaller, faster and more efficient electronic devices, according ...
Optics & Photonics
Jun 28, 2024
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More news
Determining refractive index at relativistic speeds
Researchers move floating objects with soundwaves
New techniques reveal properties of solid-state chiral materials
Manipulating the frequency of terahertz signals through temporal boundaries
Researchers achieve practical 3D tracking at record-breaking speeds
Other news
Textile scientists offer fresh insights on why some clothes get smellier
Color of mother hen impacts chick learning efficiency, study shows
A new approach to realize quantum mechanical squeezing
Applying the art of origami to advance 3D bioprinting
New photonic chip spawns nested topological frequency comb
The design of a photonic alloy with topological properties
Generation of intense terahertz waves with a magnetic material
Upgraded advanced photon source sees first X-ray light for science
Ultra-high spectral purity revealed in exciton-polariton laser
Quantum computing trade-off problem addressed by new system
Nearby exoplanet has trace amounts of hydrogen sulfide, Webb data suggest
Chemists develop chameleon-like molecular chain with dual ion binding capability
Novel two-step electrolysis of water proposed for hydrogen production
Brain size riddle solved as humans exceed evolutionary trend
Novel protein involved in mitochondrial gene expression identified
