Search results for soliton

Astronomy Feb 26, 2024

New research suggests explosive 'axion stars' could pinpoint where and what dark matter is

We could be closer to understanding the mystery behind what dark matter is, following new research from physicists at King's College London.

Optics & Photonics Jan 31, 2024

When dissipative solitons vanish, breathing dynamics occur: Study

Solitons are quasiparticles that propagate along a non-dissipative wave. Put another way, they are waveforms that hold their shape as they move—like a single wave moving across the surface of a pond. They can also show ...

Optics & Photonics Jan 15, 2024

Developing a flat soliton microcomb source

Optical chip-related technology is the inevitable path to retain the validity of Moore's Law, which has become the consensus of academia and industry; it can effectively solve the speed and power consumption problems of electronic ...

Optics & Photonics Jan 11, 2024

Using 'Kerr solitons' to boost the power of transmission electron microscopes

When light goes through a material, it often behaves in unpredictable ways. This phenomenon is the subject of an entire field of study called "nonlinear optics," which is now integral to technological and scientific advances ...

Optics & Photonics Jan 11, 2024

Ultra-short laser flashes on demand: Controllable light pulse pairs from a single-fiber laser

In an innovative approach to controlling ultrashort laser flashes, researchers from the Universities of Bayreuth and Konstanz are using soliton physics and two pulse combs within a single laser. The method has the potential ...

Optics & Photonics Dec 8, 2023

Conjoined 'racetracks' make new optical device possible

When we last checked in with Caltech's Kerry Vahala three years ago, his lab had recently reported the development of a new optical device called a turnkey frequency microcomb that has applications in digital communications, ...

Condensed Matter Nov 22, 2023

First experimental evidence of hopfions in crystals: Research opens up new dimension for future technology

Hopfions, magnetic spin structures predicted decades ago, have become a hot and challenging research topic in recent years. In a study published in Nature, the first experimental evidence is presented by a Swedish-German-Chinese ...

Optics & Photonics Nov 1, 2023

Spatiotemporal mode-locking and dissipative solitons in multimode fiber lasers

The birth of spatiotemporal mode-locking (STML) can date back to the report of Wright and colleagues in 2017. Following this breakthrough, research on STML has thrived. However, our comprehension and control of spatiotemporal ...

Mathematics Oct 31, 2023

Mathematician creates mass extinction model regarding climate change and adaptation

A RUDN University mathematician and a colleague developed a theoretical model of mass extinction. The model for the first time took into account two important factors—the inverse effect of vegetation on climate change and ...

Astronomy Oct 25, 2023

Astronomers discover new almost dark galaxy

By analyzing deep optical imagery from the IAC Stripe 82 Legacy Project, an international team of astronomers has serendipitously discovered a new almost dark galaxy. The newfound galaxy, dubbed "Nube," has a very low surface ...

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