Research using lasers and light-based technology. Covers electron control, metalens optics, mid-flight drone charging, and water purification.
Researchers from POSTECH successfully developed a photodiode with increased absorption of the near-infrared light by using the hourglass principle. The new device has been shown to have 29% increased near-infrared photoreseponse and less than 1% error rate in heart-rate measurement.
Physicists at the University of Innsbruck have discovered that mechanical vibrations in glass fibers are responsible for heating individual atoms in nanooptical traps. This finding has important consequences for applications, including improved technology and new fields of physics.
Researchers at TU Wien have created a calculation method to determine the perfect wave form for manipulating small particles in complex environments. This allows for precise control over particles without direct physical contact, opening up new possibilities for biological research and applications.
Researchers have successfully created a new one-way street for light by cooling photons to a Bose-Einstein condensate. This process causes the light to collect in optical valleys from which it can no longer return, effectively irreversibly dividing the light beam. The findings could be of interest for future quantum communication.
A team of researchers has generated multi-millijoule 3-cycle pulses at an unprecedented average power level of 318 W, paving the way for industrial applications. The achievement marks a significant milestone in few-cycle laser technology and opens up new possibilities for highly parallelized material processing.
A new particle analysis technique offers a promising way to monitor air pollution by capturing and analyzing individual airborne particles. The approach provides highly reproducible, real-time results and can identify the size and refractive index of particles, which is essential for assessing health risks.
Researchers from Japan demonstrate that synchrotron radiation can be used for coherent control, enabling control over individual excited states in atoms. This breakthrough could lead to new applications at shorter wavelengths, where lasers are limited.
The study demonstrates the creation of rewritable optical components for surface light waves using materials like GeSbTe. This enables the control and miniaturization of light at the nanoscale, with potential applications in single molecule chemical sensing.
Researchers developed nanoparticles that emit different colors of light to trigger specific biological processes. They successfully controlled the beating rate in modified heart-muscle cells using red and green light, demonstrating a new level of control over biological processes.
Researchers have synthesized a new type of chiral light that can tell right- and left-handed molecules apart. This innovative light interacts differently with each type of molecule, allowing for precise control over chemical reactions and potential applications in drug development.
Physicists have discovered that useful information about ultrafast light-matter interactions is buried deep within signals produced by two-colour pump-probe experiments. Advanced techniques are required to extract this information, which could lead to breakthroughs in fields such as vision and photosynthesis.
Scientists have created a new method to isolate quantum images from classical illumination, enabling ultra-sensitive microscopy and potential applications in quantum communications. By leveraging image distillation, they can retrieve 'quantum illuminated' images even with high classical illumination.
Researchers have discovered a molecule that absorbs ultraviolet light and then disperses it in a 'flamenco-style' dance, making it ideal for use as a UV filter in sunscreens. The molecule is eco-friendly, easy to synthesize, and lasts longer than industry-standard sunscreens.
Researchers at the University of Würzburg have developed two new spectroscopic methods to study energy transport on the nanoscale. By deciphering the behavior of double-walled nanotubes, they aim to improve artificial light-harvesting antennas and photovoltaics.
Researchers have successfully created a large-scale quantum processor made entirely of laser light, providing a scalable solution to overcome current limitations in quantum computing. The design allows for the generation of a massive two-dimensional cluster state with built-in scalability.
Scientists at DTU Physics have created a two-dimensional lattice structure of 30,000 entangled light pulses, paving the way for less expensive and more powerful quantum computers. This breakthrough uses room-temperature materials and avoids the need for costly refrigeration technology.
Scientists at LMU Munich explore initial consequences of light-molecule interactions on aerosol surfaces. They develop new method, reaction nanoscopy, to study elemental physicochemical transitions on solid interfaces with high spatial resolution.
Researchers at Argonne National Laboratory have discovered a key property of donut-like nanoparticles called semiconductor quantum rings, which may find application in quantum information storage, communication, and computing. The team achieved coherent directional control over light emission by breaking the symmetry of the ring shape.
Skoltech scientists have developed a method to control the nonlinear optical response of carbon nanotubes using electrochemical gating. This approach enables designing devices that can control the duration of laser pulses, opening up new possibilities for universal laser systems with controllable pulse duration.
Physicists at Mainz University have developed a new method to detect dark matter using cesium atom vapor and atomic spectroscopy. By searching in a previously inaccessible frequency range, they were able to formulate new restrictions on the nature of dark matter.
Scientists have developed a new way to extract topological information from quantum materials using ultra-fast laser light, which can distinguish between trivial and topological insulators in a millionth of a billionth of a second. This method could lead to the development of optically-controlled electronics that process information te...
A novel light waveform approach can solve two major challenges in microresonator development, enabling compact frequency combs that can be used in medical tests and other applications. This technology has the potential to greatly expand the range of applications for frequency combs.
Researchers discovered asymmetrical movement of free electrons in photoelectric effect, enabling better control over electrons and potentially improving chemistry reactions. The study used ultrashort laser pulses to disrupt the electrons' behavior, allowing them to move sideways for the first time.
The new SCAPE 2.0 system allows for faster and more detailed imaging of living tissues, revealing previously unseen details of biological systems. This technology has the potential to impact various fields such as genetics, cardiology, and neuroscience.
Researchers developed a new technique called complementary vibrational spectroscopy to study molecular structures. This method combines infrared absorption and Raman scattering spectrometers to provide detailed information about molecular vibrations.
A team of LSU researchers has successfully demonstrated a method to generate groups of photons with manipulable quantum properties, known as multiphoton states. By subtracting out some photons, they can reshape the form of the wavepacket and artificially increase the number of photons in it.
Researchers at NIST have created an optical system that can measure the flow of extremely small amounts of liquids with high accuracy. The technique relies on a laser interacting with light-sensitive molecules in a liquid flowing through a microchannel, allowing for precise control of flow rates as low as 2 nanoliters per minute.
Researchers developed a new laser-based system that uses speckle pattern analysis to detect fires in harsh environments. The system achieved an accuracy of 91 percent in tests at a waste plant in Denmark, offering a promising solution for fire detection in industrial settings.
Researchers developed a tiny nanolaser that can function inside living tissues without harming them. The nanolaser shows promise for imaging in living tissues and can operate in extremely confined spaces.
University of Illinois researchers have created a new framework for nanoantenna light absorption, enabling the detection of individual biomolecules and catalyzing chemical reactions. The breakthrough has potential applications in cancer diagnostics, quantum computing, and novel biochemistry methods.
Researchers developed a nano-tomographic technique to detect invisible properties of nano-structured light landscapes in the focus of a lens. This approach enables single, fast, and straightforward camera imaging of these complex light fields.
Researchers from Bielefeld University have developed a faster method for super-resolution SR-SIM microscopy, allowing for real-time recording of cell movements and observations of small structures. This enables biologists to explore such structures in detail, particularly in the study of viral particles on their way through cells.
Researchers have developed a laser prototype that nearly meets the stringent requirements for the Laser Interferometer Space Antenna (LISA) mission. The laser system features a seed laser, YDFA amplifiers, and an optical reference cavity to improve spectral purity and stability.
Researchers at Stevens Institute of Technology have developed a nano-scale chip that facilitates photon interactions with much higher efficiency than any previous system. The breakthrough could enable the creation of powerful quantum computing components such as photonics logic gates and entanglement sources.
The Compact X-ray Free Electron Laser (CXFEL) is a groundbreaking instrument that will help scientists explore various fields of research with spectacular clarity. The device, designed by physicist William Graves, is 100 times less expensive to build and operate than conventional XFELs, offering a precise tool for researchers.
Researchers develop a new imaging technology that uses laser light to distinguish between cancerous and healthy tissues during surgery, potentially eliminating the need for secondary surgeries. This innovation has the potential to save time, money, and anxiety in cancer treatment, while also reducing the economic burden of healthcare.
Scientists developed a nanomaterial that can detect the twist direction of molecules with ultra-sensitivity, removing a major roadblock in research. The material's unique symmetry properties allow for sensitive detection of molecular chirality, which is crucial in pharmaceuticals and materials science.
A new laser-based sensor called LAMBDIS effectively detects buried objects while a vehicle is in motion, overcoming the challenge of existing technologies' sensitivity to environmental vibrations. It achieved comparable results to traditional laser Doppler vibrometers in laboratory and field tests.
The new clock platform combines near-continuous operation with strong signals and high stability, featuring unique possibilities for enhancing clock performance. Preliminary data suggest the design is promising, with the tweezer clock providing self-verifying performance 96% of the time.
Scientists at LMU Munich have successfully quantified the energy released by thorium-229 nucleus decay, a crucial step towards developing a nuclear clock. The study enables lasers to emit in a wavelength range that can excite the nucleus, paving the way for a new era of precise measurements.
Scientists at EPFL have developed perfect soliton crystals in optical microresonators, allowing for the generation of pulse trains with high repetition rates and enhanced power. This breakthrough enables applications in spectroscopy, distance measurements, and low-noise terahertz radiation.
Scientists have created a way to fully characterize the dynamics of antiferromagnetic materials, enabling faster electronic devices. The approach uses light-based measurement methods and provides unprecedented speeds.
Researchers have created a new material using tellurium nanorods produced by naturally occurring bacteria, which can protect electronic devices against high-intensity bursts of light. The material has the potential to revolutionize high-speed optical networking and improve internet communications.
Researchers used a swept-wavelength external cavity quantum cascade laser to study explosive events, detecting molecules and measuring temperature and concentration changes. The instrument provides fast and safe measurements, enabling new understanding of explosions and potential applications.
Researchers at the University of Innsbruck have successfully transferred quantum entanglement between matter and light over 50 kilometers using fiber optic cables. This achievement paves the way for building inter-city quantum networks, which could enable secure communication and distributed sensor networks.
Scientists have successfully generated terahertz waves by applying an electric current to a material with precisely chosen properties. The discovery paves the way for potential applications in data transmission and material penetration.
The new self-calibrating endoscope produces 3D images of objects smaller than a single cell, opening new opportunities for medicine and research. The device measures just 200 microns across and enables minimally invasive access and high-contrast imaging.
Researchers have developed a 'Trojan horse' technique to produce intense electron beams, potentially shrinking future accelerators by 100-1,000 times. This could lead to brighter X-ray lasers and enhanced scientific capabilities.
A group of researchers has developed new inquiry-based models for optical states in photonic crystals, leading to breakthroughs in high-polarization-sensitive sensors. The study focuses on three-dimensional opal-like photonic crystals, which can be used to improve control over light in these systems.
Researchers developed a simplified new mass spectrometric technique using a continuous wave laser and graphene substrate to analyze bio samples without sample preparation. This technology can obtain high-resolution images and secure enough heat needed for specimen analysis with small amount of light generated by the continuous wave laser.
Researchers designed and tested an experimental system that uses a near-infrared laser to actively heat two gold nanorod antennae to different temperatures, defying thermal diffusion. The team measured temperature differences as high as 20 degrees Celsius by analyzing scattered photons from green light.
Researchers at Stanford University have designed a crystal structure that can trap and convert both infrared and green laser light, significantly improving the efficiency of this process. The device, which is microscopic in size, has the potential to greatly benefit technologies in telecommunications, computing, and laser-based equipment.
Researchers used state-of-the-art technology to investigate collective behavior of electrons in titanium and zirconium, uncovering interplay between light absorption and electronic screening. The study reveals new insights into coupled-electron dynamics, enabling ultrafast manipulation of phases of matter.
Researchers from the University of Wisconsin-Madison and Universidad de Zaragoza have successfully developed a method to image complex hidden scenes using a projected virtual camera. This technology can overcome current limitations in non-line-of-sight imaging, including varying material qualities and large variations in brightness. Th...
Researchers have developed a way to create stable laser solitons without external radiation, with potential applications in storing digital information. These solitons have complex internal structures and topologies, such as the 'apple' and 'trefoil' shapes, which can merge and potentially be used in digital storage systems.
Researchers developed a new approach to optimize highly efficient perovskite LEDs by exploring the performance of an amorphous zinc-silica-oxide system layered with perovskite crystals. The resulting devices showed improved efficiency, brightness, and light out-coupling efficiency, particularly in green diodes.
Researchers at DESY used precisely tuned laser light to capture the ultrafast rotation of carbonyl sulphide molecules, revealing the intricate dance of quantum mechanics. The resulting 'molecular movie' provides new insights into molecular dynamics and has potential applications for studying other molecules and processes.
The SLAP microscope uses compressed measurements to scan large areas quickly, recording neurons' voltage spikes and neurotransmitter release. It has broken the speed limit of traditional two-photon microscopy, allowing scientists to capture millisecond-scale patterns in living brains.
Researchers from NTU Singapore and Niels Bohr Institute devise method to create magnetism in non-magnetic metallic disks using linearly polarised light. They found that intense plasmonic oscillating electric fields can modify the dynamics of electrons in the metal, leading to spontaneous magnetisation.
The new camera system uses a high-powered laser to capture reflected light from objects around the corner, allowing for real-time monitoring of movement in 3D. This breakthrough enables faster and more accurate tracking of objects beyond visible light spectrum, with applications in autonomous cars and robots