Articles tagged with Solitons
The study of large-time behavior of solutions to partial differential equations is fundamental for physics and engineering. Researchers have made significant progress in resolving the multi-wave stability problem with partially degenerate flux in damped wave equations.
Japanese physicists have shown that knots can arise in a realistic particle physics framework, potentially explaining the origin of the universe's matter surplus. By combining two long-studied extensions of the Standard Model, the team found a stable knot configuration that could have formed and dominated in the early universe.
Researchers developed a smart neural network model that combines CNNs and RNNs to predict multicolor soliton evolution, surpassing limitations of standard frameworks. The dual-channel system accurately tracks changes in energy, wavelength, and phase with remarkable accuracy.
KAIST and Mainz researchers have predicted a 3D magnon Hall effect, demonstrating the ability of magnons to move freely and complexly in 3D space. This breakthrough could lead to novel functionalities in next-generation computing structures.
Researchers developed a new equation to predict seismic wave propagation in magma containing crystals and bubbles, revealing how crystal content influences wave velocity and waveform properties. The analysis also showed that bubble content affects attenuation effects, with discernible differences emerging between models.
Physicists at Harvard SEAS have created a compact, on-chip mid-infrared pulse generator that can emit short bursts of light without external components. This device has the potential to speed up gas sensor development and create new medical imaging tools.
A team of researchers has developed a method to generate avoided-mode-crossing soliton microcombs with smooth spectral envelopes. By precisely regulating the temperature in a SiON microcavity, they successfully avoid mode crossings and soliton oscillation tails, resulting in low-noise solitons suitable for precise ranging, spectroscopy...
Researchers have demonstrated octave-spanning Kerr soliton frequency combs on thin-film lithium niobate, enabling ultrafast spectroscopy and laser frequency synchronization. The development of reliable fabrication guidelines suppresses Raman lasing, unlocking the potential for monolithic and compact comb-driven photonic systems.
Researchers have made significant advancements in understanding the complex dynamics of soliton molecules, revealing quasi-periodic behaviors and chaotic transitions. The study also discovers intrinsic frequency entrainment, a phenomenon showcasing synchronization within optical resonators.
A new, low-cost, high-efficiency photonic integrated circuit has been developed using lithium tantalate technology. The breakthrough platform offers scalable and cost-effective manufacturing of advanced electro-optical PICs, paving the way for volume manufacturing.
Topological solitons are created in a robotic metamaterial and move through the chain without needing 'reset' thanks to non-reciprocal interactions. This breakthrough could lead to advancements in robotics, sensing, and communication.
Researchers at EPFL and Max Planck Institute have successfully bridged the gap between light and electrons using a transmission electron microscope. They achieved this by generating dissipative Kerr solitons that interact with free electrons, allowing for ultrafast modulation of electron beams.
Researchers have developed a new optical device that overcomes dispersion limitations in ultra-low-loss silicon nitride by creating conjoined microcombs. This breakthrough enables the production of short-pulse microcombs with low power consumption, paving the way for integration into handheld devices and photonic circuit arrays.
Researchers at Chalmers University of Technology have developed a new method to increase the efficiency of microcombs, raising their efficiency from around 1 percent to over 50 percent. This breakthrough enables high-performance laser technology for various applications in space exploration, healthcare, and other industries.
Researchers have created chip-based optical frequency combs using dissipative Kerr solitons, increasing output power for applications like atomic clocks. The advancement paves the way for highly portable precision metrology devices.
A team of researchers from EPFL has found a way to harness the unique features of chaotic frequency combs to implement unambiguous and interference-immune massively parallel laser ranging. This innovative approach offers significant advantages over conventional methods, enabling hundreds of multicolor independent optical carriers.
A recent study by Tokyo University of Science researchers provides theoretical foundations for effective parameter tuning in the Bernoulli shift map. They used modular arithmetic to determine optimal parameter values for preserving chaos, with implications for other chaotic maps like the tent and logistic maps.
Magnetic antiskyrmions are stabilized in magnetic crystals and exhibit unique properties. The Forschungszentrum Juelich team successfully demonstrated the existence of these objects through high-resolution electron microscopy and advanced simulations.
Researchers at the University of Sussex have created an 'eternal engine' to keep next-generation atomic clocks ticking, enabling portable versions that can replace existing satellite navigation systems. The breakthrough uses microcombs and self-emergence technology to ensure stable operation in various conditions.
Chirped pulse driving is proposed to eliminate multiple temporal trapping positions in passive Kerr-resonators-based dissipative cavity solitons. The results demonstrate the chirp is responsible for single soliton generation, with deterministic generation achieved at sufficient chirp parameters.
Researchers have discovered a new class of chirp-free pulse in normal-dispersion fiber lasers, termed as birefringence-managed soliton. This pulse is formed through the interaction between polarization-maintaining fiber and the laser cavity, resulting in a unique vector soliton with near-chirp-free properties.
Researchers at Stanford University have developed a miniaturized frequency comb that can generate non-classical light, enabling the study of quantum entanglement and opening up new pathways for quantum computing. The microcomb's precise spacing allows for detailed measurement of its finer features.
Researchers discovered a novel topological edge soliton that inherits topological protection from its linear counterpart, enabling robust and localized light beams. This breakthrough is achieved through nonlinear photorefractive lattices harnessing the valley Hall effect, without requiring an external magnetic field.
Researchers at EPFL and UCSB successfully integrate ultralow-loss Si3N4 photonic integrated circuits with semiconductor lasers, enabling chip-scale frequency combs for high-capacity transceivers, data centers, and sensing applications. This breakthrough paves the way for large-volume, low-cost manufacturing of soliton microcombs.
Researchers develop parallel optical-soliton reactors to study multi-soliton dynamics, unveiling statistical rules that resemble classic chemical kinetics. The system enables on-demand synthesis and dissociation of soliton molecules, promoting a collective-level insight into soliton dynamics.
Researchers have discovered new ultra-stable, high-power cavity solitons that combine the advantages of pulse trains generated by pulsed lasers and passive resonators. These hybrid solitons offer a solution for applications requiring both energetic and stable pulses, such as LiDAR.
Researchers have established a high-efficiency pulse compression method using optical solitons in periodic layered Kerr media, achieving >85% compression efficiency. This method has the potential to widely use ultrafast lasers in physics, chemistry, and biology labs with low cost and flexibility.
Researcher Dr. Erik Lentz discovered a new class of hyper-fast 'solitons' that can enable travel at any speed without requiring exotic matter with negative energy density. The equations used in this research would allow space travel to Proxima Centauri and back within years, compared to current rocket technology's 50,000-year journey.
The generation of dissipative solitons and coherent frequency combs in a photonic dimer made of two microresonators enables real-time tuning of the soliton-based frequency comb. Soliton hopping, a phenomenon not present at the single-particle level, can be used for generating configurable combs in the radio-frequency domain.
The team's innovation uses acoustic waves to enable faster tuning of components, resulting in higher-resolution lidar detection. The technology integrates microelectromechanical systems (MEMS) transducers made of aluminum nitride to modulate the microcomb at high frequencies.
Researchers have developed an efficient way to create micro-combs and exploit them in highly performing and robust frequency multiplexed optical fibre networks. This breakthrough enables the record-high data transmission over 75 km of standard optical fibre using a powerful class of micro-comb called soliton crystals.
Scientists have developed a new type of laser that can deliver high amounts of energy in very short bursts, making it ideal for corneal surgery. The research uses quartic solitons to produce short, powerful light pulses without heating and damaging the surface.
Researchers at EPFL's lab have developed a method to generate soliton collisions in optical microresonators, allowing for the study of complex soliton interactions. By controlling the speed mismatch between two laser-driven solitons, they can induce binding or crossing behaviors, revealing important physics of the system.
EPFL researchers have successfully generated high-speed microwave signals using integrated soliton microcombs. The breakthrough enables the miniaturization of photonic systems, paving the way for applications in metrology, spectroscopy, communications, radars, and the Internet of Things.
Researchers have successfully created optical supramolecules using tightly bound optical solitons in lasers, mimicking natural molecular systems. This breakthrough enables the storage and manipulation of encoded information within these complex arrays.
Scientists at the University of Colorado Boulder have developed a way to create tiny schools of molecular 'fish' using liquid crystals. These deformations, which can twirl together as a group and interact with each other, could lead to new interactive display technologies.
Researchers from the University of Bayreuth and Göttingen have discovered a way to control ultrashort laser pulses, enabling precise material analyses and medical procedures. The new technique involves manipulating soliton pairs in laser pulses, allowing for efficient adjustment of pulse intervals.
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.
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.
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 in the EPic Lab have made a breakthrough in developing a crucial element of an atomic clock, improving efficiency by 80%. The technology has the potential to revolutionize navigation systems, potentially replacing satellite mapping like GPS within 20 years.
Researchers developed the smallest optical frequency comb source, achieving integrated soliton microcomb with ultra-low losses and fast optical feedback. The compact device operates at 88 GHz repetition rate and offers potential for mass-manufacturable applications in LIDAR and data-centers.
Researchers at LMU Munich have successfully generated dissipative solitons in passive free-space resonators, a breakthrough that enables the compression of laser pulses while increasing their peak power. This technique opens up new avenues for exploring ultrafast dynamics and precision spectroscopy.
Researchers developed a simpler method to generate multiple frequency combs using small devices called optical microresonators. The technology generates up to three frequency combs simultaneously, reducing the need for complex synchronization electronics and enabling faster acquisition times.
Researchers from Kazan Federal University and Tbilisi State University investigate conditions for soliton formation in the solar corona and Earth's ionosphere. They successfully mathematically prove the possibility of soliton emergence, with significant implications for space navigation and safety.
Researchers have uncovered characteristics of magnetic solitons, a type of magnetic wave relevant to developing neuromorphic computing systems. The findings reveal how these components act, which is essential for realizing their potential in brain-inspired computing.
Researchers observed transition from polariton-solitons to Bose-Einstein condensate by changing laser pumping power. Theoretical model explains the behavior of nonlinear systems, enabling potential applications in telecommunications.
Researchers at KIT and EPFL developed a new type of chip-scale light source generating optical frequency combs in silicon nitride microresonators. This enables highly precise distance measurement at speeds of up to 100 million measurements per second, paving the way for real-time 3D cameras and compact LIDAR systems.
Researchers at Lomonosov Moscow State University developed a new mathematical model that describes the process of soliton occurrence in optical microresonators, taking Raman scattering into account. The system of equations may be used for numerical simulation of effects in optical resonators.
Researchers from KIT and EPFL demonstrated a novel method for generating frequency combs in optical microresonators, enabling data transmission rates of over 50 terabits per second. This breakthrough uses soliton frequency combs to increase the performance of wavelength division multiplexing techniques in optical communications.
A team of researchers from KIT and EPFL used optical silicon nitride micro-resonators to generate continuously circulating solitons, enabling massive parallel data transmission on 179 wavelength channels. The system achieved a record-breaking data rate of over 50 terabits per second.
Rice University physicists have created a model system for studying rogue ocean waves by precisely controlling the quantum behavior of an ultracold atomic gas. They found that under certain conditions, the number of solitons remains unchanged, suggesting that the soliton train is born with stable characteristics.
Researchers at IBS demonstrate manipulation of solitons, leading to the development of quaternary mathematical systems and potentially more efficient information storage. This breakthrough paves the way for new IT devices that combine silicon and solitons.
Researchers found that supersonic solitary waves in nano-electronics crystals can be used for electric charge or matter transport and energy storage with extremely low heat dissipation. These localized excitations could lead to the development of transistors without silicon, revolutionizing the field of nano-electronics.
A team of mathematicians, physicists, and engineers tackled a famous 50-year-old problem tied to solitary waves. They developed a mathematical approach that produces an approximate solution to the Korteweg-de Vries equation, enabling researchers to make explicit predictions about soliton formation and properties.
Physicists devise a method to control optical solitons in microresonators, allowing for stable pulse generation and spectral comb formation. This enables precise measurement of optical frequencies, including those in the radio wave range.
Researchers at Caltech have discovered a new breed of optical soliton wave that can travel in the wake of other solitons, hitching a ride on their energy. This phenomenon has been observed in light waves and has applications in highly accurate optical clocks and microwave oscillators.
Researchers at New York University and Stanford University have discovered a magnetic wave, known as a soliton, which can maintain its shape as it moves and potentially be harnessed for more energy-efficient computing. The discovery was made using an ultrafast x-ray microscope that enables high spatial resolution and temporal resolution.
In a new study published in Nature Physics, Rice University physicists observed ultracold atomic collisions producing gaps between colliding solitons. This phenomenon challenges the expected behavior of solitons, which are waves that do not diminish or change shape as they move through space.
University of Chicago physicists explain a mysterious effect found in superfluids, revealing it was due to whirlpool-like structures rather than exotic solitons. The result challenged accepted theories and sparked a scientific debate.