Researchers announced the discovery of novel topological effects on photonic crystals in open systems, where energy or material can freely enter or leave.
Just visualize: An optical lens so powerful that it allows users to view features the size of a small virus on a living cell’s surface in its natural environment.
A concept called the Shockley-Quesser limit currently restricts the conversion of solar energy into electricity. This restriction causes lower energy photons to be wasted, while enabling those that possess higher energies than those of the bandgap to be utilized.
The results of a research team at the University of Freiburg’s Institute of Physics have been given a special place in the “Nature Photonics” journal: a supplementary “News & Views” article in the print version of the science journal focuses on the work of the team headed by Prof. Dr. Tobias Schätz, Dr. Leon Karpa, Julian Schmidt, and Alexander Lambrecht.
The first on-chip metamaterial with a refractive index of zero was developed by researchers at the Harvard John A. Paulson School of Engineering and Applied Sciences (SEAS) in 2015. This meant that the phase of light could be stretched substantially long.
Using DNA from salmon, researchers in South Korea hope to make better biomedical and other photonic devices based on organic thin films. Often used in cancer treatments and health monitoring, thin films have all the capabilities of silicon-based devices with the possible added advantage of being more compatible with living tissue.
Norway’s Grieg Seafood has bought three particle analysis cameras from a US company for use in its salmon farming operations in Canada and the UK, reports Environment Coastal & Offshore.
Nagoya University Researchers have recently devised an innovative technique for producing stimuli-responsive materials in a predictable manner. They applied this technique to develop a new material with the ability to conduct electricity and emit white light upon being exposed to electric current.
A Research group, headed by Zhe Fei from Iowa State University, has captured the first images of half-light, half-matter quasiparticles known as exciton-polaritons. This latest discovery could lead to the development of faster nanophotonic circuits than present-generation of electrical circuits. The study has been reported in the scientific journal, Nature Photonics.
A silicon wafer has tiny “black holes” that act as a new form of photodetector for potentially moving more data across a data center or around the world, in a less expensive manner. Electrical engineers at the University of California, Davis, and a Silicon Valley startup, based at Los Altos, California, called W&WSens Devices Inc., have developed this technology, which is reported in the April 3 issue of Nature Photonics.
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