Coherent oscillation between phonons and magnons
Two different waves with the same frequency and wavelengths can be coupled, so that the amplitude alternates periodically between the two to form a phenomenon known as a coherent beating oscillation. The process can be observed often with a coupled p.....»»
A highly performing device for polariton-based coherent microwave emission and amplification
When light strongly interacts with matter, it can produce unique quasi-particles called polaritons, which are half light and half matter. In recent decades, physicists explored the realization of polaritons in optical cavities and their value for the.....»»
El Niño–Southern Oscillation correlates well with following-summer cloud-to-ground lightning in China
Large-scale circulation anomalies are a key factor in the transportation of water vapor and changes in climate. For tropical and subtropical regions, an atmospheric circulation field not only determines the characteristics of the weather situation bu.....»»
A model system of topological superconductivity mediated by skyrmionic magnons
Topological superconductors are superconducting materials with unique characteristics, including the appearance of so-called in-gap Majorana states. These bound states can serve as qubits, making topological superconductors particularly promising for.....»»
The dynamics of "hotspot forming" high-energy quasiparticles in a superconducting nanowire
Energetic quasiparticles possess a collection of quantum characteristics that operate in a particle-like way in superconducting nanostructures, and they can undergo relaxation by involving many cascaded interactions between electrons, phonons and Coo.....»»
Researchers explore effects of fully relativistic condition on electron cyclotron maser emission
Radio emission, carrying a wealth of information, is critical for understanding the physical process of various outbursts. The electron cyclotron maser emission (ECME) plays an important role as a coherent radiation mechanism in explaining radio emis.....»»
Controlling turbulent heat transport by manipulating coherent structures
This topic is reviewed by Prof. Ke-Qing Xia (Southern University of Science and Technology, Shenzhen, China) and his collaborators, mainly based on their research work over the past ten years......»»
China seeks to replicate its 5G success story in the 6G era
In order to gain an early advantage in 6G development, China's Future Mobile Communications Forum and Purple Mountain Lab held the 2023 Global 6G Technology Conference in Nanjing on March 23, focusing on finding a coherent direction before 6G technol.....»»
Imaging through random media using coherent averaging
A recent study affiliated with UNIST has introduced an effective method of restoring images distorted by fog. According to the research team, their method can also provide a breakthrough by exploiting the random fluctuations for diffraction-limited i.....»»
Coherent phonon-induced gigahertz optical birefringence realized in strontium titanate
Using ultrafast time-resolved pump detection technology, researchers led by Prof. Sheng Zhigao from the Hefei Institutes of Physical Science (HFIPS) of the Chinese Academy of Sciences have realized the gigahertz (GHz) frequency birefringence modulati.....»»
Researchers observe solar filament formation caused by oscillation magnetic reconnection
Researchers led by Yan Xiaoli from the Yunnan Observatories of the Chinese Academy of Sciences, in collaboration with Sun Xia and Liang Hongfei from Yunnan Normal University, have clearly observed the formation of an intermediate solar filament cause.....»»
Scientists discover new form of oscillations in single filament driven by two-sided-loop jet
Researchers led by Prof. Shen Yuandeng and his student Tan Song from the Yunnan Observatories of the Chinese Academy of Sciences (CAS) have discovered new form of oscillation in a single filament driven by a two-sided-loop jet......»»
Tapered optical fiber addresses challenge posed by Brillouin scattering
When optical beams, consisting of photons, travel through fibers, they cause vibrations that generate acoustic waves, consisting of phonons. The phenomenon, called Brillouin scattering, has been harnessed by researchers to optomechanically "couple" a.....»»
Chiral phonons create spin current without needing magnetic materials
Researchers from North Carolina State University and the University of North Carolina at Chapel Hill used chiral phonons to convert wasted heat into spin information—without needing magnetic materials. The finding could lead to new classes of less.....»»
Using diamonds to generate ultrashort THz pulses
The advent of intense ultrashort coherent light pulses has revolutionized the spectroscopy field. They allow easy observation of various nonlinear optical effects and facilitate the characterization of materials with nonlinear optical spectroscopy. A.....»»
Study achieves the coherent manipulation of electron spins in silicon
In recent years, many physicists and computer scientists have been working on the development of quantum computing technologies. These technologies are based on qubits, the basic units of quantum information......»»
Thermal fluctuations and oscillation modes found to determine the uptake of bacteria in cells
How and with what effort does a bacterium—or a virus—enter a cell and cause an infection? Researchers from Freiburg have now made an important contribution to answering this question......»»
Scientists perform real-time environmental sensing over 524 kilometers of live aerial fiber
In a new field trial, researchers show that a real-time coherent transceiver prototype can be used for continuous sensing over a 524-km live network aerial fiber wound around high-voltage power cables suspended from outdoor poles......»»
New optical method to verify topological phases in magnetic materials
Topological phases are not restricted to electronic systems. They can also occur in magnetic materials whose properties are described in terms of magnetic waves—or so-called magnons. However, even though scientists have established techniques to ge.....»»
Coherent manipulation of spin qubits at room temperature
A research group led by Prof. Wu Kaifeng from the Dalian Institute of Chemical Physics (DICP), Chinese Academy of Sciences recently reported the successful initialization, coherent quantum-state control, and readout of spins at room temperature using.....»»
Developing a standoff coherent Raman spectrometer
A novel air-laser-based standoff Raman spectrometer with high temporal and frequency resolutions has been constructed by Yao Fu and colleagues. The device can remotely probe chemical species in real time with high temporal resolution while monitoring.....»»