https://phys.org/physics-news/optics-photonics en-us The latest news on Optics and Photonics Researchers from Skoltech, the University of Warsaw, and the University of Iceland have demonstrated that by optical means it is possible to excite and stir an exciton-polariton condensate, which emits a linearly polarized light with a polarization axis following the stirring direction. https://phys.org/news/2024-11-scientists-optical-nuclear-magnetic-resonance.html Condensed Matter Optics & Photonics Tue, 05 Nov 2024 07:02:05 EST news650012521 Two-photon vision is a novel method with great potential for the future of ophthalmic diagnostics. Although it has many advantages, it requires improvement in key areas. International Centre for Eye Research (ICTER) scientists have taken a step forward by improving this technology and opening up new perspectives in ocular medicine. https://phys.org/news/2024-11-scientists-decipher-photon-vision.html Optics & Photonics Mon, 04 Nov 2024 15:51:43 EST news649957890 Using simple circuitry, polarizing film, and LEGO toy bricks, an undergraduate physics student from the Ateneo de Manila University built an improvised polarimeter that can optically assess the purity of Vitamin C (ascorbic acid) and other chiral substances. https://phys.org/news/2024-11-student-chemical-purity-tester-lego.html General Physics Optics & Photonics Mon, 04 Nov 2024 11:05:03 EST news649940701 Scientists have taken inspiration from the way sunlight passes through clouds to discover an entirely new way of controlling and guiding light. https://phys.org/news/2024-11-cloud-method-waveguiding-mechanism-ways.html Optics & Photonics Fri, 01 Nov 2024 11:31:25 EDT news649679478 A U.S. Naval Research Laboratory (NRL) multi-disciplinary team developed a new paradigm for the control of quantum emitters, providing a new method for modulating and encoding quantum photonic information on a single photon light stream. https://phys.org/news/2024-10-paradigm-quantum-emitters-modulating-encoding.html Optics & Photonics Quantum Physics Thu, 31 Oct 2024 14:15:38 EDT news649602935 Enough landmines are buried underground worldwide to circle Earth twice at the equator, but the identification and removal of these explosives is costly and time-consuming. https://phys.org/news/2024-10-laser-vibration-technology-landmines-faster.html Optics & Photonics Thu, 31 Oct 2024 11:15:19 EDT news649592110 Researchers have developed a new ultrafast laser platform that generates ultra-broadband ultraviolet (UV) frequency combs with an unprecedented one million comb lines, providing exceptional spectral resolution. The new approach, which also produces extremely accurate and stable frequencies, could enhance high-resolution atomic and molecular spectroscopy. https://phys.org/news/2024-10-broadband-uv-frequency-unprecedented-spectral.html Optics & Photonics Thu, 31 Oct 2024 00:00:01 EDT news649500030 In space exploration, long-distance optical links can now be used to transmit images, films and data from space probes to Earth using light. But in order for the signals to reach all the way and not be disturbed along the way, hypersensitive receivers and noise-free amplifiers are required. https://phys.org/news/2024-10-optical-amplifier-sensitive-pave-faster.html Optics & Photonics Wed, 30 Oct 2024 12:50:13 EDT news649511403 A team of researchers from the University of California, Los Angeles (UCLA) has unveiled a new development in optical imaging technology that could significantly enhance visual information processing and communication systems. https://phys.org/news/2024-10-partially-coherent-unidirectional-imaging-visual.html Optics & Photonics Mon, 28 Oct 2024 09:21:04 EDT news649326062 An Aston University researcher has developed a new technique using light that could revolutionize non-invasive medical diagnostics and optical communication. The research showcases how a type of light called the orbital angular momentum (OAM) can be harnessed to improve imaging and data transmission through skin and other biological tissues. https://phys.org/news/2024-10-optical-technique-orbital-angular-momentum.html Optics & Photonics Fri, 25 Oct 2024 13:51:04 EDT news649083061 The Attosecond Science group at the Center for Free-Electron Laser Science has developed a novel light source capable of producing extremely short pulses for the investigation of UV-induced molecular dynamics with unprecedented temporal resolution. Scientists from the University of Hamburg and from DESY describe their unique observations in an article published in Nature Communications. https://phys.org/news/2024-10-source-enables-temporal-resolution-uv.html Optics & Photonics Fri, 25 Oct 2024 12:39:51 EDT news649078789 For the first time, EPFL researchers have exclusively observed molecules participating in hydrogen bonds in liquid water, measuring electronic and nuclear quantum effects that were previously accessible only via theoretical simulations. https://phys.org/news/2024-10-spectroscopy-method-reveals-quantum-secrets.html Optics & Photonics Quantum Physics Fri, 25 Oct 2024 11:02:35 EDT news649072951 Researchers have developed a faster and more accurate method for acquiring and reconstructing high-quality 3D surface measurements. The approach could greatly improve the speed and accuracy of surface measurements used for industrial inspection, medical applications, robotic vision and more. https://phys.org/news/2024-10-fringe-photometric-stereo-method-accuracy.html Optics & Photonics Thu, 24 Oct 2024 11:37:32 EDT news648988642 Researchers Takuma Nakamura, Kazuki Hashimoto, and Takuro Ideguchi of the Institute for Photon Science and Technology at the University of Tokyo have increased by 100-fold the measurement rate of Raman spectroscopy, a common technique for measuring the "vibrational fingerprint" of molecules in order to identify them. https://phys.org/news/2024-10-scientists-successfully-raman-spectroscopy.html Optics & Photonics Wed, 23 Oct 2024 15:47:03 EDT news648917221 For the first time, an international cadre of electrical engineers has developed a new method for photonic in-memory computing that could make optical computing a reality in the near future. https://phys.org/news/2024-10-multi-breakthrough-optical-faster-efficient.html Optics & Photonics Wed, 23 Oct 2024 14:44:24 EDT news648913460 Spectrometers are technology for reading light that date back to the era of famed 17th-century physicist Isaac Newton. They work by breaking down light waves into their different colors—or spectra—to provide information about the makeup of the objects being measured. https://phys.org/news/2024-10-ultra-small-spectrometer-yields-power.html Optics & Photonics Wed, 23 Oct 2024 13:08:32 EDT news648907707 Researchers at Monash University have developed an artificial intelligence (AI) model that significantly improves the accuracy of four-dimensional scanning transmission electron microscopy (4D STEM) images. https://phys.org/news/2024-10-ai-4d-stem-imaging-delicate.html Condensed Matter Optics & Photonics Wed, 23 Oct 2024 11:26:06 EDT news648901563 A team of researchers has for the first time successfully used lasers to generate guided sound waves on the surface of a microchip. These acoustic waves, akin to the surface waves produced during an earthquake, travel across the chip at frequencies nearly a billion times higher than those found in earth tremors. https://phys.org/news/2024-10-microchip-harnesses-surface-advanced-technologies.html Optics & Photonics Wed, 23 Oct 2024 09:42:02 EDT news648895317 In an advance that could revolutionize biomarker detection, researchers at the Max Planck Institute for the Science of Light have developed a novel technique called femtosecond fieldoscopy. This method enables the precise measurement of minute liquid quantities, down to the micromolar level, with unmatched sensitivity in the near-infrared region. https://phys.org/news/2024-10-femtosecond-fieldoscopy-accesses-molecule-fingerprints.html Optics & Photonics Tue, 22 Oct 2024 12:28:03 EDT news648818881 A research team has proposed a wind sensing lidar theory based on up-conversion quantum interference and successfully developed a prototype. Their work is published in ACS Photonics. https://phys.org/news/2024-10-quantum-lidar-high-sensitivity.html Optics & Photonics Quantum Physics Mon, 21 Oct 2024 11:45:03 EDT news648729901 Modern high-speed internet uses light to quickly and reliably transmit large amounts of data through fiber-optic cables, but currently, light signals hit a bottleneck when data processing is necessary. For that, they must convert into electrical signals for processing before further transmission. https://phys.org/news/2024-10-optical-device-paves-faster-fiber.html Optics & Photonics Sat, 19 Oct 2024 13:21:23 EDT news648562870 A study by researchers from the Institute of Applied Physics at the Hebrew University of Jerusalem, published in Nature Photonics, presents a new method for non-invasive high-resolution imaging through highly scattering media. https://phys.org/news/2024-10-image-holographic-wavefront-fast-versatile.html Optics & Photonics Fri, 18 Oct 2024 05:00:01 EDT news648399213 A new study opens the door to cutting-edge solutions that could contribute to the realization of a system capable of processing quantum information in a simple yet powerful way. https://phys.org/news/2024-10-quantum-breakthrough-synthetic-dimensions-efficiently.html Optics & Photonics Quantum Physics Thu, 17 Oct 2024 12:36:04 EDT news648387357 Researchers from the Department of Energy's Oak Ridge National Laboratory have taken a major step forward in using quantum mechanics to enhance sensing devices, a new advancement that could be used in a wide range of areas, including materials characterization, improved imaging and biological and medical applications. https://phys.org/news/2024-10-reveal-quantum-advantage-advance-future.html Optics & Photonics Quantum Physics Wed, 16 Oct 2024 15:09:03 EDT news648310141 Magnetic resonance imaging (MRI) has long been a cornerstone of modern medicine, providing highly detailed images of internal organs and tissues. MRI machines, those large, tube-shaped magnets commonly found in hospitals, use powerful magnets to map the densities of water and fat molecules within the body. https://phys.org/news/2024-10-atomic-sensors-unveil-hidden-dynamics.html Optics & Photonics Quantum Physics Wed, 16 Oct 2024 12:40:15 EDT news648301203 Metasurface technology is an advanced optical technology that is thinner, lighter, and more capable of precisely controlling light through nanometer-sized artificial structures than conventional technologies. KAIST researchers have overcome the limitations of existing metasurface technologies and successfully designed a Janus metasurface capable of perfectly controlling asymmetric light transmission. By applying this technology, they have also proposed an innovative method to significantly enhance security by only decoding information under specific conditions. https://phys.org/news/2024-10-janus-metasurface-technology-optical-responses.html Optics & Photonics Tue, 15 Oct 2024 16:34:17 EDT news648228853 Advancements in quantum information technology are paving the way for faster and more efficient data transfer. A key challenge has been ensuring that qubits, the fundamental units of quantum information, can be transferred between different wavelengths without losing their essential properties, such as coherence and entanglement. https://phys.org/news/2024-10-wavelength-conversion-paves-efficient-quantum.html Optics & Photonics Quantum Physics Tue, 15 Oct 2024 16:25:03 EDT news648228301 New research in quantum entanglement could vastly improve disease detection, such as for cancer and Alzheimer's disease. https://phys.org/news/2024-10-quantum-pet-scan-potential-disease.html Optics & Photonics Quantum Physics Mon, 14 Oct 2024 12:40:01 EDT news648127898 Researchers have made a discovery that could make quantum computing more compact, potentially shrinking essential components 1,000 times while also requiring less equipment. The research is published in Nature Photonics. https://phys.org/news/2024-10-quantum-photonics-discovery-potentially-critical.html Optics & Photonics Quantum Physics Mon, 14 Oct 2024 08:25:04 EDT news648113101 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 short and strong pulses of laser light. https://phys.org/news/2024-10-laser-strongest-ultra-short-pulses.html Optics & Photonics Sat, 12 Oct 2024 13:50:01 EDT news647858850