Search results for photonic crystal

Condensed Matter May 31, 2024

On-chip GHz time crystals with semiconductor photonic devices pave way to new physics and optoelectronic applications

Researchers have for the first time observed a time crystal on a microscale semiconductor chip oscillating at a rate of several billion times per second, unveiling exceptionally high non-linear dynamics in the GHz range.

Plants & Animals May 29, 2024

How did the zebrafish get its stripes? Researchers are one step closer to finding out

Although zebrafish are much smaller and less famous than their terrestrial namesakes, the tiny fish possess a unique ability: They can rapidly change the color of their characteristic stripes from blue to yellow when they're ...

Nanophysics May 29, 2024

New device precisely controls photon emission for more efficient portable screens

Recently, a team of chemists, mathematicians, physicists and nano-engineers at the University of Twente in the Netherlands developed a device to control the emission of photons with unprecedented precision. This technology ...

Optics & Photonics May 28, 2024

Researchers create the world's strongest ionizing terahertz radiation

Terahertz waves, known as non-ionizing radiation, can turn into ionization radiation when sufficiently many terahertz photons are focused in space and time. A team led by scientists in Korea and the U.S. has created the world's ...

Optics & Photonics May 27, 2024

Researchers create dispersion-assisted photodetector to decipher high-dimensional light

A new study published in Nature, conducted by an international collaboration team led by Prof. Wei Li from the Changchun Institute of Optics, Fine Mechanics and Physics (CIOMP) of the Chinese Academy of Sciences, introduces ...

Nanophysics May 24, 2024

First topological quantum simulator device in strong light-matter interaction regime to operate at room temperatures

Researchers at Rensselaer Polytechnic Institute have fabricated a device no wider than a human hair that will help physicists investigate the fundamental nature of matter and light. Their findings, published in the journal ...

Optics & Photonics May 22, 2024

Omnidirectional color wavelength tuning method unlocks new possibilities for smart photonics

In the rapidly evolving field of photonics, an advancement has emerged from Korea, redefining the possibilities of structural color manipulation. Scientists have developed a pioneering technology capable of omnidirectional ...

General Physics May 21, 2024

Neutrons open window to explore space glass

Thanks to human ingenuity and zero gravity, we reap important benefits from science in space. Consider smart phones with built-in navigation systems and cameras.

Nanophysics May 17, 2024

Using DNA origami, researchers create diamond lattice for future semiconductors of visible light

The shimmering of butterfly wings in bright colors does not emerge from pigments. Rather, photonic crystals are responsible for the play of colors. Their periodic nanostructure allows light at certain wavelengths to pass ...

Optics & Photonics May 10, 2024

Information-entropy enabled identifying topological photonic phase in real space

Researchers led by Prof. Xiaoyong Hu at Peking University, China, are interested in topological photonics. They have proposed an interdisciplinary approach to study the topological systems through information entropy (IE) ...

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