Configurable topological beam splitting via antichiral gyromagnetic photonic crystal
Topological insulators, whose bulky states are prohibited while surface/edge states are conductive and topologically protected. Recent advances in topologically protected edge states have drawn growing attention in the optics and photonics community......»»
Scientists propose new design to implement highly directional single-photon source
A team of researchers from the Institute of Optics of CSIC and the Institute of Photonic Sciences (ICFO) of Barcelona has proposed a new design to implement highly directional single-photon sources, which constitutes an improvement over currently exi.....»»
First search for axion-like particles in a storage ring using a polarized deuteron beam
For the first time, scientists have applied a promising new method to search for dark matter particles in a particle accelerator. The method used by researchers in the international JEDI collaboration is based on the observation of the spin polarizat.....»»
Take your webcam capture up a notch with the OBSBOT Tiny 2
OBSBOT is leading the pack in the smart webcam market with their latest release, the Tiny 2. Capture crystal clear 4K video with the power of AI tech improving your shots, perfect for live streaming or virtual meetings......»»
A surprising discovery about the magnetic interactions in a Kagome layered topological magnet
A team from Ames National Laboratory conducted an in-depth investigation of the magnetism of TbMn6Sn6, a Kagome layered topological magnet. They were surprised to find that the magnetic spin reorientation in TbMn6Sn6 occurs by generating increasing n.....»»
Neutron beam measurements reveal shrinking mechanism of microgels in colloids
Researchers at PSI and the University of Barcelona have managed to explain the strange behavior of microgels. Their measurements using neutron beams have pushed this measuring technique to its limits. The results open up opportunities for new applica.....»»
Researchers discover photonic snake states, a new instrument for unveiling the secrets of light
Light, with its countless colors, is one of the wonders of nature. To truly understand what we see, it is essential to know the precise colors of the light with which we perceive our world. We achieve this by means of optical rules called frequency c.....»»
Lavish tomb in ancient Spain belonged to a woman, not a man, new research shows
When archaeologists first discovered the 5,000-year-old ornate tomb in Spain, they assumed it was for a man. It held a rock crystal dagger, ivory tusks and other lavish items. But now they've determined the remains are those of a woman, and all it to.....»»
Multi-dimensional band structure spectroscopy in the photonic synthetic frequency dimension
In the photonic synthetic dimension, the coupling of internal degrees of freedom of photons, such as frequency, spatial mode, and orbital angular momentum, generates extra dimensions in addition to real space. This approach is a powerful tool to inve.....»»
Photonic time crystals could open the door to a new branch of optics
Refractive index—the ratio of the speed of electromagnetic radiation in a medium to its speed in a vacuum—can be modulated fast enough to generate photonic time crystals (PTCs) in the near-visible part of the spectrum, a new study published in th.....»»
Study presents ultra-low threshold continuous-wave quantum dot mini-BIC lasers
Lasers with ultra-low threshold and compact size are highly desirable components in photonic integrated circuits, aiming at the application of optical communications, chip-scale solid-state LIDAR and quantum information. The general approach to reali.....»»
Functional surface refinement: Targeted control of growth dynamics of finest tin layers
Nanometer-scale coatings with functional materials play an important role in many sensory, electronic and photonic applications. An international team of researchers, coordinated by Leibniz IPHT in Jena, Germany, has succeeded for the first time in o.....»»
Unraveling the super-complex structure of supercooled liquids
When cooled to their freezing point, most liquids become solids or crystallize. In other words, the molecules arrange themselves in a perfectly ordered fashion, which physicists call a crystal. Supercooled liquids are different; they do not form such.....»»
Photonic chip transforms single beam of light into multiple beams, each with a panoply of different properties
Researchers at the National Institute of Standards and Technology (NIST) have devised a photonic circuit on a chip that transforms a single incoming beam of laser light into a panoply of new beams, each with a host of different optical properties......»»
Scientists develop photonic radar system that can remotely and accurately monitor breathing
Constant monitoring of vital health signs is needed in a variety of clinical environments such as intensive care units, for patients with critical health conditions, health monitoring in aged care facilities and prisons, or in safety monitoring situa.....»»
Discovering features of band topology in amorphous thin films
In recent years, scientists have been studying special materials called topological materials, with special attention paid to the shape, or topology, of their electronic structures (electronic bands). Although it is not visible in real space, their u.....»»
Scientists edge toward scalable quantum simulations on a photonic chip
Scientists have made an important step toward developing computers advanced enough to simulate complex natural phenomena at the quantum level. While these types of simulations are too cumbersome or outright impossible for classical computers to handl.....»»
Monolithically integrated semiconductor lasers with silicon photonic circuits
Silicon (Si) photonics has recently emerged as a key enabling technology in many application fields thanks to the mature Si process technology, the large silicon wafer size, and Si optical properties. However, the inability of Si-based materials to e.....»»
Team constructs highly active covalent organic framework from benzimidazole monomer in solvothermal pathway
Hydrogen (H2) is a clean carbon-free fuel with high gravimetric energy density and emerges as an attractive alternative to the unrenewable fossil resource. Photocatalytic water splitting over a semiconductor provides a promising economical and enviro.....»»
Team improves spectral analysis and measurement of X-ray crystal spectroscopy for future fusion reactors
A research team led by Prof. Lyu Bo from the Hefei Institutes of Physical Science of the Chinese Academy of Sciences has improved the diagnostic accuracy of X-ray Crystal Spectroscopy (XCS) and investigated a series of fusion reactor-related spectral.....»»
Broadband and continuous wave pumped second-harmonic generation from microfiber coated with layered GaSe crystal
Second-order optical nonlinear effects have received widespread attention from researchers since its first discovery in the 1960s......»»