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Optics & Photonics news
New quantum sensing scheme could lead to enhanced high-precision nanoscopic techniques
Researchers from the University of Portsmouth have unveiled a quantum sensing scheme that achieves the pinnacle of quantum sensitivity in measuring the transverse displacement between two interfering photons.
Optics & Photonics
4 hours ago
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Physicists create an optical tweezer array of individual polyatomic molecules for the first time
A team of physicists at Harvard University has succeeded in trapping individual polyatomic molecules in optical tweezer arrays for the first time. In their paper published in the journal Nature, the group describes how they ...
New mirror that can be flexibly shaped improves X-ray microscopes
A team of researchers in Japan has engineered a mirror for X-rays that can be flexibly shaped, resulting in remarkable precision at the atomic level and increased stability.
Optics & Photonics
23 hours ago
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Researcher creates optical magnetometer prototype that detects errors in MRI scans
Hvidovre Hospital has the world's first prototype of a sensor capable of detecting errors in MRI scans using laser light and gas. The new sensor, developed by a young researcher at the University of Copenhagen and Hvidovre ...
Optics & Photonics
May 2, 2024
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Good vibrations: Low-energy lasers induce atomic excitation in semiconductor materials
Semiconductors are a cornerstone of next-generation technology, so a new method to excite atoms in semiconductor materials is likely to excite a broad range of researchers and industries as well.
Condensed Matter
May 2, 2024
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Researchers unveil single-shot and complete polarization imaging system using metasurfaces
Think of all the information we get based on how an object interacts with wavelengths of light—aka color. Color can tell us if food is safe to eat or if a piece of metal is hot. Color is an important diagnostic tool in ...
Optics & Photonics
May 2, 2024
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High-intensity spatial-mode steerable frequency up-converter toward on-chip integration
A study published in Opto-Electronic Science discusses high-intensity spatial-mode steerable frequency up-converter toward on-chip integration.
Optics & Photonics
May 1, 2024
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Study finds CsPbBr₃ out-of-phase perovskite helps highly sensitive X-ray detection
A recent study conducted by the research team at Hefei Institutes of Physical Science of the Chinese Academy of Sciences, has introduced a new method for enhancing X-ray detection by incorporating out-of-phase CsPb2Br5 perovskite ...
Condensed Matter
Apr 29, 2024
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Pump-probe high-harmonic spectroscopy could catch geometric phase effect around conical intersection in molecule: Study
A collaborative research team from Nanjing University of Science and Technology (NJUST) and East China Normal University (ECNU) has theoretically proposed that a pump-probe high-harmonic spectroscopy (HHS) driven by VUV-IR ...
Optics & Photonics
Apr 29, 2024
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Laser imaging could offer early detection for at-risk artwork
Look closely at Impressionist paintings in museums compared with photos of them taken 50 years ago, and you might notice something odd: Some are losing their bright yellow hues.
Optics & Photonics
Apr 29, 2024
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New tech enables deep tissue imaging during surgery
Hyperspectral imaging (HSI) is a state-of-the-art technique that captures and processes information across a given electromagnetic spectrum. Unlike traditional imaging techniques that capture light intensity at specific wavelengths, ...
Optics & Photonics
Apr 29, 2024
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Topologically controlled multiskyrmions: Researchers propose a new family of quasiparticles
Skyrmions are topologically protected quasiparticles with sophisticated spin textures, widely studied in condensed-matter systems, magnets and recently in photonics, which predicts great potential in ultra-high-capacity information ...
Condensed Matter
Apr 29, 2024
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108
Optical barcodes expand range of high-resolution sensor
The same geometric quirk that lets visitors murmur messages around the circular dome of the whispering gallery at St. Paul's Cathedral in London or across St. Louis Union Station's whispering arch also enables the construction ...
Optics & Photonics
Apr 26, 2024
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107
Unveiling a new quantum frontier: Frequency-domain entanglement
Scientists have introduced a form of quantum entanglement known as frequency-domain photon number-path entanglement. This advance in quantum physics involves an innovative tool called a frequency beam splitter, which has ...
Optics & Photonics
Apr 26, 2024
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IRIS beamline at BESSY II gets a new nanospectroscopy end station
The IRIS infrared beamline at the BESSY II storage ring now offers a fourth option for characterizing materials, cells and even molecules on different length scales. The team has extended the IRIS beamline with an end station ...
General Physics
Apr 25, 2024
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Airborne single-photon lidar system achieves high-resolution 3D imaging
Researchers have developed a compact and lightweight single-photon airborne lidar system that can acquire high-resolution 3D images with a low-power laser. This advance could make single-photon lidar practical for air and ...
Optics & Photonics
Apr 25, 2024
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Demonstration of heralded three-photon entanglement on a photonic chip
Photonic quantum computers are computational tools that leverage quantum physics and utilize particles of light (i.e., photons) as units of information processing. These computers could eventually outperform conventional ...
A molecular fingerprint beyond the Nyquist frequency
Ultrashort pulses play a significant role in spectroscopic applications. Their broad spectral bandwidth enables simultaneous characterization of the sample at various frequencies, eliminating the need for repeated measurements ...
Optics & Photonics
Apr 24, 2024
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A shade closer to more efficient organic photovoltaics
Transparent solar cells will transform the look of infrastructure by enabling many more surfaces to become solar panels. Now, materials called non-fullerene acceptors that can intrinsically generate charges when exposed to ...
Condensed Matter
Apr 24, 2024
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A novel universal light-based technique to control valley polarization in bulk materials
Electrons inside solid materials can only take certain values of energy. The allowed energy ranges are called "bands," and the space between them, the forbidden energies, is known as "band gaps." Both of them together constitute ...
Condensed Matter
Apr 24, 2024
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