Researchers developed an electrically-pumped compact topological bulk laser for single-mode emission and cylindrical vector beams. The device utilizes band-inverted topological band edges that support high quality factors, enabling miniaturization and single-mode laser emission.
Researchers created an isolated turbulent blob by firing vortex rings into a tank of water, allowing precise tracking of its parameters. This breakthrough enables scientists to study real-world turbulence more effectively, exploring questions about dissipation, expansion, and energy spread across scales.
The InVADER Mission successfully deployed a high-tech laser laboratory on the ocean floor, marking a paradigm shift in ocean research and exploration. The Laser Divebot collects compositional data without disturbing the environment, removing the need for physical samples.
Researchers at UChicago's Pritzker School of Molecular Engineering have developed a method to constantly monitor noise around a quantum system and adjust qubits in real-time. The approach uses spectator qubits to track environmental changes and cancel out noise in vital data-processing qubits, improving the quality of data qubits.
Researchers at LMU and the Max Planck Institute use attosecond science to study how solids change their optical properties immediately after photoinjection. They find no clear signs of quasiparticle formation, which may indicate that many-body physics has little influence on conductivity.
Research team settles decade-long debate on Ta2NiSe5's microscopic origin of symmetry breaking; structural instability hinders electronic superfluidity. Advanced experiments and calculations confirm crystal structure changes as driving force behind phase transition.
Scientists at the Max Planck Institute successfully induced high-temperature ferromagnetism in YTiO3 by applying laser pulses, raising the transition temperature to triple its original value. This breakthrough discovery opens new avenues for exploring and manipulating magnetic properties of materials.
A team from Nanjing University and Sun Yat-Sen University developed a two-facing Janus OPO scheme for generating high-efficiency, high-purity broadband LG modes with tunable topological charge. The output LG mode has a tunable wavelength between 1.5 μm and 1.6 μm, with a conversion efficiency above 15 percent.
Researchers develop unique method to enhance extreme ultraviolet laser power by exploiting dark-autoionizing states, increasing conversion efficiency by over ten times. This breakthrough enables studying ultrafast dynamics of dark autoionizing states at the femtosecond timescale, with potential applications in quantum technologies.
A new method devised by Rensselaer Polytechnic Institute's Moussa N'Gom enables effective free-space optical communication between satellites and the ground, unaffected by rain and clouds. The ultrafast lasers create a long filament of light that clears space for visible light transmission.
A team from TU Wien has developed a method to cool several particles simultaneously by adapting the spatial structure of a laser beam to particle motion. The technique uses far-field wavefront shaping to optimize cooling and can be achieved without knowing the exact location or movement of the particles.
Researchers have devised a new mechanism to generate high-energy 'quantum light', which could reveal new properties of matter at the atomic scale. The theory predicts a way to control the quantum nature of light using correlated emitters with a strong laser.
A water droplet acts as a model of an atom when illuminated by laser light, allowing researchers to study resonance phenomena and energy levels. The droplet's size changes due to evaporation, creating a visible 'optical atom' that can be used to analyze water quality and detect pollutants.
Researchers have developed a new way to produce mirrors that can withstand extremely high powers, enabling the creation of small footprint, ultra-high-power laser systems. This breakthrough has significant implications for various fields such as medicine, biology, and physics.
Researchers developed BrightEyes-TTM, an open-source stopwatch to study molecular interactions inside living cells. The platform records the lifetime of fluorescent molecules, providing insights into cellular structure and function.
University of Central Florida researchers observed de Broglie-Mackinnon wave packets, a long-standing theoretical concept, by exploiting a loophole in 1980's-era laser physics theorem. The team's use of space-time wave packets, which resist stretching in dispersive media, verifies predicted properties and opens the path to studying top...
Researchers demonstrate the ability of GHz burst mode femtosecond laser pulses to create unique two-dimensional (2D) periodic surface nanostructures on silicon substrates. The GHz burst mode enhances ablation efficiency and quality compared to conventional single-pulse mode, enabling the formation of distinctive 2D LIPSS.
Researchers at UMD successfully guided light in a 45-meter-long air waveguide, creating a high-density core to guide a laser. The technique utilizes ultra-short laser pulses to create a plasma that heats the air, expanding it and leaving a low-density path behind.
Researchers at the University of Maryland successfully guided a 45-meter-long beam of light through an unremarkable hallway, pushing the limits of an innovative technique. The team utilized ultra-short laser pulses to create a plasma that heated air, forming a high-density core and enabling efficient light delivery.
A team of researchers from Synchrotron SOLEIL, France, and Helmholtz-Zentrum Dresden-Rossendorf (HZDR), Germany, has successfully demonstrated a free-electron laser driven by plasma acceleration and seeded by additional light pulses. This achievement could lead to the development of more compact and affordable FEL systems.
Researchers at Nagoya University have achieved a breakthrough in developing deep-ultraviolet laser diodes, which could revolutionize applications such as sterilization and medicine. The team successfully reduced the operating power needed for continuous-wave lasing to just 1.1W at room temperature.
Researchers at the University of Rochester used x-ray spectroscopy to study radiation transport in dense plasmas. They found that atomic energy level changes do not follow conventional quantum mechanics theories, instead conforming to a self-consistent approach based on density-functional theory.
Researchers at ETH Zurich introduce a novel single-cavity architecture for a dual-comb laser, enabling fast and precise scanning of optical delays. The system achieves high precision (2-fs) and stability (up to 500 Hz) for an optical delay of 12.5 ns, opening up new possibilities for practical applications.
A new type of integrated semiconductor laser has been developed using the Pockels effect, integrating a lithium-niobate-on-insulator platform. This technology enables fast reconfigurability and narrow spectral window, paving the way for applications in LiDAR remote sensing, microwave photonics, atomic physics, and AR/VR.
Researchers have developed a high-performance laser system capable of measuring electron temperature and density in plasma at a world record speed of 20,000 times per second. This breakthrough enables detailed measurements of transient phenomena in plasmas, crucial for understanding and controlling fusion power generation.
Researchers from the Max Born Institute found that magnesium ions reduce ultrafast fluctuations in water's hydration shell, slowing solvation dynamics. The study reveals a short-range effect of individual ion pairs on dilute aqueous systems.
Researchers from the Institute of Physical Chemistry, Polish Academy of Sciences, recorded double Hopf bifurcation behavior of light during laser operation. They also demonstrated real-time experimental observation of the phenomenon and proposed a new methodology to interpret the observed dynamics.
A team of researchers from Osaka University used computer simulations to model the optical radiation force distribution induced by an interference pattern, enabling the fabrication of nano-sized structures with chiral properties. This technology has the potential to create new optical devices, such as chirality sensors.
Researchers have developed an ultrahigh-efficiency and low-noise scheme of quasi-parametric chirped-pulse amplification (QPCPA), achieving 56% energy efficiency for signal conversion. This process greatly suppresses parametric superfluorescence noise, enabling high repetition-rate operation and potential peak powers over 50 PW.
A study by Prof. Weiwei Liu's group reveals a negative correlation between plasma density and THz radiation intensity, with maximum radiation at minimum plasma density. The researchers attribute this to the electron drifting velocity, which dominates THz pulse generation.
A team from Harvard John A. Paulson School of Engineering and Applied Sciences has developed an electro-optic frequency comb that is 100-times more efficient and has more than twice the bandwidth of previous state-of-the-art versions.
Researchers propose a simple method to generate intense isolated attosecond x-ray pulses using wavefront control, overcoming previous limitations. The new approach requires only a 100 fs conventional laser, making it feasible for current FEL facilities.
The study reveals that noise sources in the micro resonator can cause the lines to be narrower than previously thought, enabling more precise measurements. By understanding this phenomenon, researchers can develop even more accurate devices, such as instruments measuring signals at light-years distances.
Researchers discovered that a naturally insulating material, lanthanide-doped upconversion nanoparticle (UCNP), emits bursts of superfluorescence at room temperature and regular intervals. This property is valuable for quantum optical applications, such as faster microchips or neurosensors.
Scientists at Imperial College London have created a laser device that can reconfigure its structure in response to changing conditions. The innovative technology mimics the properties of living materials, enabling self-healing, adaptation, responsiveness, and collective behavior.
Physicists at HZDR and CASUS improved the density functional theory method to accurately describe quantum many-body systems, breaking a significant simplification. This enables studies of non-linear phenomena in complex materials with unprecedented temporal and spatial resolution.
Researchers at UC Berkeley created a new type of semiconductor laser that maintains a single mode while scaling up in size and power. This breakthrough enables more powerful and coherent lasers for various applications, including fiber optic communications and biometric identification systems.
Researchers successfully manipulated energy levels in tungsten diselenide to induce luminescence, a breakthrough for controlling matter through light fields. The discovery could enhance optical properties of organic semiconductors, leading to innovative LED and solar cell applications.
A team of researchers has discovered a property of light that remains unchanged in complex media, allowing for distortion-free communication and sensing. By applying a novel quantum approach, they showed that all light has this invariant property, which can be exploited to correct distortions without losing any light.
FeRh, a metal with antiferromagnetic and ferromagnetic phases, has its phase transition kinetics measured using ultrafast techniques. The study reveals new insights into the ultrafast dynamics of magnetic materials.
Physicists from the University of Amsterdam successfully created a continuous Bose-Einstein Condensate, enabling an eternal atom laser that can produce coherent matter waves. This breakthrough solves the problem of fragile BECs and paves the way for technical applications.
A team of researchers has developed a novel photonic emulator that reveals the intricacies of light behavior in non-Hermitian optical systems. The findings suggest that the topology of energy surfaces plays a crucial role in determining light behavior, leading to novel mechanisms for light manipulation and technological advancements.
A novel all-optical switching method has been developed to make optical computing and communication systems more power-efficient. The method utilizes the quantum optical phenomenon of Enhancement of Index of Refraction (EIR) to achieve ultrafast switching times, ultralow threshold control power, and high switching efficiency.
Researchers successfully controlled ultrashort mid-infrared light pulses, enabling new possibilities in optical control for biomedical applications and quantum electronics. The team developed a method to precisely control the oscillations of generated mid-infrared light via tuning laser input parameters.
Researchers have found that light-based therapies such as photobiomodulation and photodynamics can effectively treat a range of post-COVID complications, including muscle and joint damage. The studies, conducted in Brazil, utilized laser irradiation, negative pressure, and other technologies to improve symptoms and promote healing.
Researchers have demonstrated a new method for guiding light in an energy-scalable manner using two refocusing mirrors and thin nonlinear glass windows. This approach enables the compression of laser pulses to tens of femtosecond duration with gigawatt peak power.
Ultrashort optical solitons combine into pairs with short temporal separation, forming
The conference features over 2,000 technical presentations, plenary speakers Dana Anderson, Hui Cao, Peter Delfyett, and Michal Lipson, and showcases market-ready technologies in lasers and photonics. Industry-leading companies demonstrate new products and technologies
Researchers at Cornell University have developed a high-quality crystal of aluminum nitride and created an optical cavity to trap emitted light, enabling the production of a deep-ultraviolet laser with exceptional precision. The breakthrough has significant implications for various applications, including sterilization, sensing, and ph...
A team of scientists has successfully generated Bessel terahertz pulses from superluminal laser plasma filaments, showcasing a promising approach for various applications. The method, which manipulates the spatial-temporal structure with tailored femtosecond lasers, produces ultrabroad bandwidth and high-order Bessel beam profiles.
Scientists review key influence of various laser techniques on fluorescence properties across a range of nanomaterials. Laser-induced control over nanomaterial composition and dimension enables tunability in fluorescence colors. The study also explores instances where lasers convert non-fluorescing precursors to fluorescent forms.
Physicists at the University of Warsaw have developed a new type of tunable microlaser that emits two linearly polarized beams, which can be controlled by rotating liquid crystal molecules. The laser has been shown to exhibit unique properties, including circular polarization and phase coherence.
Researchers at UNLV's Nevada Extreme Conditions Lab have discovered a new form of ice with unique properties. The team found that the transition to Ice-X occurs at much lower pressures than previously thought.
Scientists at ELI ALPS developed a high-flux 100kHz attosecond pulse source driven by a high-average power annular laser beam. The method relies on the strong field effect of high harmonic generation to separate attosecond pulses from the driving laser beam.
A research team at Helmholtz-Zentrum Dresden-Rossendorf has successfully tested irradiation with laser-accelerated protons on animals, paving the way for optimal radiation therapy. The method could make a decisive contribution to improving proton therapy, which is currently more complex and expensive than X-ray therapy.
A WVU postdoctoral researcher has made a groundbreaking discovery in the field of magnetic reconnection, which can be used to predict space weather events that affect satellite and power grid systems. The study uses advanced laser diagnostics to measure electron speeds, providing new insights into plasma physics processes.
A team of researchers used the National Ignition Facility (NIF) to create a laboratory replica of galaxy-cluster plasmas, discovering strong suppression of heat conduction in these turbulent environments. The experiments provide insight into complex physics processes and raise additional questions that may be answered in future studies.
Researchers used a powerful laser facility to create extreme conditions similar to those in gigantic galaxy clusters. The experiments revealed hot and cold spots in the plasma, supporting one theory for how heat is trapped inside galaxy clusters.
Researchers have demonstrated control of graphene's relaxation time, allowing for novel functionalities in devices such as light detectors and modulators. This work paves the way for the development of ultrafast optical devices with potential applications in photonics and telecommunications.
Topologists have successfully applied their tools to lasers, enabling the creation of a laser beam whose energies follow a topologically non-trivial loop. This property leads to unique amplification patterns in the light emitted by the laser.