A quasiparticle that forms in semiconductors can now be moved around at room temperature, a University of Michigan-led study has shown. The finding could cool down computers, enabling faster speeds and higher efficiencies, ...
Optics & Photonics
Feb 15, 2022
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400
Displayed over roof tops and in solar farms, silicon-based solar cells are, so far, one of the most efficient systems in generating electricity from sunlight, but their fabrication can be expensive and energy demanding, aside ...
Optics & Photonics
Feb 14, 2022
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77
In order to better understand (and possibly control) fast chemical reactions, it is necessary to study the behavior of electrons as precisely as possible—in both space and time. However, up to now, microscopy methods have ...
Optics & Photonics
Jan 31, 2022
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415
Researchers including a postdoc at the University of Massachusetts Amherst have created a gear-shaped photonic crystal microring that increases the strength of light-matter interactions without sacrificing optical quality. ...
Optics & Photonics
Jan 26, 2022
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71
By using quantum key distribution (QKD), quantum cryptographers can share information via theoretic secure keys between remote peers through physics-based protocols. The laws of quantum physics dictate that photons carrying ...
Twisted nanoscale semiconductors manipulate light in a new way, researchers at the University of Bath and the University of Michigan have shown. The effect could be harnessed to accelerate the discovery and development of ...
Optics & Photonics
Jan 13, 2022
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118
Technology is increasingly moving towards miniaturization and energy efficiency. This also applies to electronic chips. Light, and optics more broadly, are functional in making compact and portable chips. Researchers from ...
Optics & Photonics
Jan 7, 2022
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147
Recently, the research team led by Prof. Yu Luo from the school of Electrical and Electronic Engineering, Nanyang Technological University, discovered surface Dyakonov-Cherenkov radiation. This new type of Cherenkov radiation ...
Optics & Photonics
Jan 4, 2022
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17
A magnetic field can be used to switch nanolasers on and off, shows new research from Aalto University. The physics underlying this discovery paves the way for the development of optical signals that cannot be disturbed by ...
Optics & Photonics
Dec 23, 2021
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72
Unlike the jumble of frequencies produced by the light that surrounds us in daily life, each frequency of light in a specialized light source known as a "soliton" frequency comb oscillates in unison, generating solitary pulses ...
Optics & Photonics
Dec 16, 2021
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