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Optics & Photonics Apr 2, 2024

Focusing ultra-intense lasers to a single wavelength

Ultra-intense ultrashort lasers are powerful tools used in various fields like physics, national security, industry, and health care. They help researchers delve into strong-field laser physics, laser-driven radiation sources, ...

Optics & Photonics Apr 2, 2024

Classical optical neural network exhibits 'quantum speedup'

In recent years, artificial intelligence technologies, especially machine learning algorithms, have made great strides. These technologies have enabled unprecedented efficiency in tasks such as image recognition, natural ...

Condensed Matter Apr 2, 2024

Researchers discover dual topological phases in an intrinsic monolayer crystal

Dual topological phases have been discovered in an intrinsic monolayer crystal, a finding that reveals new and unique rule-bending properties in a quantum material, an international team of scientists led by Boston College ...

Quantum Physics Apr 2, 2024

100 kilometers of quantum-encrypted transfer

Researchers at DTU have successfully distributed a quantum-secure key using a method called continuous variable quantum key distribution (CV QKD). The researchers have managed to make the method work over a record 100 km ...

Condensed Matter Apr 2, 2024

Study unveils a new family of quantum anomalous Hall insulators

In recent years, physicists and material scientists have identified various new materials marked by interesting properties and quantum effects. These materials could prove highly valuable both as platforms to study quantum ...

Condensed Matter Apr 1, 2024

Team creates cooperative exciton-polariton condensate

Superfluorescence (SF), as a cooperative radiation effect originating from vacuum quantum fluctuations, is an ideal platform for studying many-body correlation mechanisms in an exciton ensemble, and for developing optically ...

Optics & Photonics Apr 1, 2024

Research team realizes magnonic frequency comb

The optical frequency comb, a spectrum of optical radiation composed of evenly spaced and phase-coherent narrow spectral lines, was initially developed for precise time and frequency measurements. Over the past two decades, ...

Nanophysics Mar 29, 2024

Nano-oscillator hits record quality factor

In their latest study, a team led by Tracy Northup at the Department of Experimental Physics unveils the successful creation of a levitated nanomechanical oscillator with an ultra-high quality factor, significantly surpassing ...

Condensed Matter Mar 29, 2024

'Shear sound waves' provide the magic for linking ultrasound and magnetic waves

A team led by researchers from the RIKEN Center for Emergent Matter Science in Japan has succeeded in creating a strong coupling between two forms of waves—magnons and phonons—in a thin film. Importantly, they achieved ...

Condensed Matter Mar 28, 2024

Magnetic avalanche triggered by quantum effects: 'Barkhausen noise' detected for first time

Iron screws and other so-called ferromagnetic materials are made up of atoms with electrons that act like little magnets. Normally, the orientations of the magnets are aligned within one region of the material but are not ...

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