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Optics & Photonics Feb 3, 2023

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 ...

Condensed Matter Feb 1, 2023

Scientists report on a quasiparticle that can transfer heat under electrical control

Scientists have found the secret behind a property of solid materials known as ferroelectrics, showing that quasiparticles moving in wave-like patterns among vibrating atoms carry enough heat to turn the material into a thermal ...

General Physics Jan 26, 2023

Scientists observe 'quasiparticles' in classical systems for the first time

Starting with the emergence of quantum mechanics, the world of physics has been divided between classical and quantum physics. Classical physics deals with the motions of objects we typically see every day in the macroscopic ...

Nanophysics Jan 24, 2023

GHz burst mode femtosecond laser pulses can create unique two-dimensional periodic surface nanostructures

Scientists working on laser application at the RIKEN Center for Advanced Photonics (RAP) have demonstrated that GHz burst mode femtosecond laser pulses can create unique two-dimensional (2D) laser-induced periodic surface ...

Superconductivity Jan 19, 2023

Quantum simulator enables first microscopic observation of charge carriers pairing

Using a quantum simulator, researchers at the Max Planck Institute of Quantum Optics (MPQ) have observed pairs of charge carriers that may be responsible for the resistance-free transport of electric current in high-temperature ...

Optics & Photonics Jan 17, 2023

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 ...

Optics & Photonics Jan 13, 2023

Scientists achieve phonon and photon lasing in optomechanical cavities

Since the introduction of the first ruby laser—a solid-state laser that uses the synthetic ruby crystal as its laser medium—in 1960, the use of lasers has expanded significantly in scientific, medical and industrial fields.

Optics & Photonics Jan 12, 2023

Scientists create magno-optomechanical hybrid system with wide tuning range

A research team headed by Academician Guo Guangcan and Prof. Dong Chunhua from the University of Science and Technology of China (USTC) of the Chinese Academy of Sciences (CAS) has made progress in designing a magno-optomechanical ...

Nanomaterials Jan 4, 2023

Electronic bridge allows rapid energy sharing between semiconductors

As semiconductor devices become ever smaller, researchers are exploring two-dimensional (2D) materials for potential applications in transistors and optoelectronics. Controlling the flow of electricity and heat through these ...

Nanophysics Dec 20, 2022

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 ...

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