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Search results for soliton

Optics & Photonics Sep 20, 2023

New method makes microcombs 10 times more efficient

Microcombs can help us discover planets outside our solar system and track new diseases in our bodies. But current microcombs are inefficient and unable to reach their full potential. Now, researchers at Chalmers University ...

Optics & Photonics Sep 6, 2023

Low loss Mie scatterer shown to enhance Q and chirality control in silicon microring

Non-Hermitian systems with their spectral degeneracies known as exceptional points (EPs) have been explored for lasing, controlling light transport, and enhancing a sensor's response.

Earth Sciences Sep 1, 2023

New model provides real-time, more accurate prediction of tsunami wave patterns

On January 15, 2022, the Hunga Tonga-Hunga Ha'apai volcano in Tonga exploded, releasing large amounts of energy into the atmosphere and ocean, causing tsunamis across the Pacific Ocean. Scientists from the Shocks, Solitons ...

Optics & Photonics Aug 29, 2023

Brighter comb lasers on a chip mean new applications

Researchers have shown that dissipative Kerr solitons (DKSs) can be used to create chip-based optical frequency combs with enough output power for use in optical atomic clocks and other practical applications. The advance ...

Condensed Matter Jul 26, 2023

Researchers create class of tiny polarization structures called solitons

New theoretical and experimental physics research shows the first ever creation of a diverse range of fine-sized, special polarization structures known as solitons in a multiferroic material. While solitons have been previously ...

Optics & Photonics Jul 24, 2023

Phase-tailored assembly and encoding of dissipative soliton molecules

Streams of ultrashort light pulses delivered from mode-locked laser resonators stimulate potential applications in ultrafast science and information technology. Here the elementary pulse entity, termed dissipative solitons ...

Optics & Photonics Jul 20, 2023

Using chaotic inputs to improve microcomb-based parallel ranging

The transition to chaos is ubiquitous in nonlinear systems. Continuous-wave-driven photonic-chip-based Kerr microresonators exhibit spatiotemporal chaos, also known as chaotic modulation instability.

Nanomaterials Jul 4, 2023

When graphene serves as a saturable absorber, it can generate two types of mode-locking states

Passive mode-locked technology utilizes saturable absorbers' nonlinear absorption effect to regulate the cavity's loss and phase to generate mode-locked pulses. Graphene has a unique energy bandgap structure, a low absorption ...

Optics & Photonics Jun 21, 2023

New microcomb device advances photonic technology

A new tool for generating microwave signals could help propel advances in wireless communication, imaging, atomic clocks, and more.

Quantum Âé¶¹ÒùÔºics May 26, 2023

Researchers built an analogue computer that uses water waves to forecast the chaotic future

Can a computer learn from the past and anticipate what will happen next, like a human? You might not be surprised to hear that some cutting-edge AI models could achieve this feat, but what about a computer that looks a little ...

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