Researchers at the Technion-Israel Institute of Technology have developed technology to compress light wavelengths fourfold, providing a way to focus light beyond normal wavelengths to reach nanoscales (a nanometer is a billionth of a meter) in length.
A strechable, nano-scale device has been created which can be used to filter out specific wavelengths of light whilst itself remaining transparent. This technology could be used in the development of novel eye protection.
Nanoscale plasmonic interferometry is a method that integrates the fields of nanotechnology and plasmonics by manipulating the interaction between light and the electrons in metals. This novel technique could be used for the development of biosensors, which can conduct a complete blood workup using a single drop, or hand-held environmental sensors capable of instantly and simultaneously testing water for pesticides, E. coli and lead.
Heterostructures formed by different three-dimensional semiconductors form the foundation for modern electronic and photonic devices. Now, University of Washington scientists have successfully combined two different ultrathin semiconductors — each just one layer of atoms thick and roughly 100,000 times thinner than a human hair — to make a new two-dimensional heterostructure with potential uses in clean energy and optically-active electronics. The team, led by Boeing Distinguished Associate Professor Xiaodong Xu, announced its findings in a paper published Feb. 12 in the journal Science.
Researchers at the Paul Scherrer Institute have produced large numbers of detailed models of the Matterhorn, each one less than a tenth of a millimetre in size. With this, they demonstrated how 3-D objects so delicate could be mass-produced. Materials whose surface is covered with a pattern of such tiny 3-D structures often have special properties. What nature has exploited for so long could be instructive for a number of industrial applications. Many snakes glide over sand aided by 3-D structures on their skin that significantly reduce friction. Along the same lines, machine parts could be furnished with a comparable structure, thereby minimizing wear and tear.
Physicists at the Technical University of Munich (TUM) have developed a nanolaser, a thousand times thinner than a human hair. Thanks to an ingenious process, the nanowire lasers grow right on a silicon chip, making it possible to produce high-performance photonic components cost-effectively. This will pave the way for fast and efficient data processing with light in the future.
Scientists at the U.S. Department of Energy’s Lawrence Berkeley National Laboratory (Berkeley Lab) and UC Berkeley have found a simple new way to produce nanoscale wires that can serve as tiny, tunable lasers.
Juerg Leuthold, Professor of Photonics and Communications, and his team have developed the world's smallest integrated optical switch. An atom is shifted and the switch turns on and off when a small voltage is applied.
Solitons are a type of wave that, unlike other waves, retains its shape even as it moves further away from its source. Soliton waves of light are of great interest because they can produce evenly spaced frequencies of light, like the teeth of comb.
Researchers from the University of Illinois at Urbana-Champaign have developed a simplified approach to fabricating flat, ultrathin optics. The new approach enables simple etching without the use of acids or hazardous chemical etching agents.
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