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Search results for soliton

Optics & Photonics Oct 11, 2021

Quantum circuit black hole lasers to explore Hawking radiation

The fundamental forces of physics govern the matter comprising the universe, yet exactly how these forces work together is still not fully understood. The existence of Hawking radiation—the particle emission from near black ...

Optics & Photonics Sep 28, 2021

Novel design may boost efficiency of on-chip frequency combs

On the cover of the Pink Floyd album Dark Side of the Moon, a prism splits a ray of light into all the colors of the rainbow. This multicolored medley, which owes its emergence to the fact that light travels as a wave, is ...

Optics & Photonics Sep 1, 2021

Gap solitons break one-dimensional coherent atomic systems

As the core of the light field modulation technologies, optical lattice has highly tunability and is usually used to manipulate the nonlinear matter waves of Bose-Einstein condensate (BEC). At present, the mainstream researches ...

General Âé¶¹ÒùÔºics Jul 1, 2021

The first commercially scalable integrated laser and microcomb on a single chip

Fifteen years ago, UC Santa Barbara electrical and materials professor John Bowers pioneered a method for integrating a laser onto a silicon wafer. The technology has since been widely deployed in combination with other silicon ...

Optics & Photonics Jun 17, 2021

Novel chirped pulses defy 'conventional wisdom'

The 2018 Nobel Prize in Âé¶¹ÒùÔºics was shared by researchers who pioneered a technique to create ultrashort, yet extremely high-energy laser pulses at the University of Rochester.

Optics & Photonics Jun 14, 2021

PCF-based 'parallel reactors' unveil collective matter-light analogies of soliton molecules

Optical solitons are nonlinear optical wave-packets that can maintain their profile during propagation, even in the presence of moderate perturbations. They offer useful applications in optical communications, all-optical ...

Nanophysics May 17, 2021

A LiDAR device the size of a finger now available

A nanophotonics-based LiDAR technology developed by a POSTECH research team was presented as an invited paper in Nature Nanotechnology, the leading academic journal in the field of nanoscience and nanoengineering.

Optics & Photonics May 10, 2021

Active cavity solitons: Ultra-stable, high-power optical pulses for measuring light waves

Unlike the oscillations of sound waves, the oscillations of light are so fast that extremely complex equipment is needed to observe them directly. However, it is possible to measure the frequencies of these oscillations indirectly ...

Optics & Photonics Mar 26, 2021

LiDAR acquires ranging signals with micron accuracy

Light Detection And Ranging (LiDAR) has been well known as it offers high ranging accuracy, and shows promising prospects in autonomous vehicles and various field. Traditional frequency modulated continuous wave (FMCW) LiDAR ...

Optics & Photonics Mar 19, 2021

High-efficiency pulse compression established on solitons in nonlinear Kerr resonators

Generating intense ultrashort pulses with high spatial quality has opened up possibilities for ultrafast and strong-field science. It is so important that the Nobel Prize in Âé¶¹ÒùÔºics 2018 was given to Dr. Strickland and Dr. ...

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