(Phys.org) —Researchers have demonstrated a method for "temporal cloaking" of optical communications, representing a potential tool to thwart would-be eavesdroppers and improve security for telecommunications.
General Physics
Jun 5, 2013
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(Phys.org) —Researchers at SLAC and Stanford have created a new device, smaller than a grain of rice, that could streamline optical data communications. It can directly identify the wavelength of light that hits it, and ...
General Physics
Jun 5, 2013
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Imagine being able to download 10 high-definition movies (each of 4 GB capacity) in less than 1 second or be able to enjoy superior lag-free online gaming experience with multiple players from anywhere in the world. Researchers ...
Electronics & Semiconductors
May 30, 2013
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For the first time, a new kind of so-called Klein tunnelling-representing the quantum equivalent of crossing an energy wall- has been presented in a model of two interacting particles. This work by Stefano Longhi and Giuseppe ...
General Physics
May 29, 2013
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(Phys.org) —Researchers and physicians in the field could soon run on-the-spot tests for environmental toxins, medical diagnostics, food safety and more with their smartphones.
Analytical Chemistry
May 23, 2013
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(Phys.org) —Researchers at North Carolina State University have developed a new technique for creating high-quality semiconductor thin films at the atomic scale – meaning the films are only one atom thick. The technique ...
Nanophysics
May 22, 2013
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An unusual wave that does not spread out as it travels could become a key component in speedy computer chips that use beams of light to carry and process data. Jiao Lin, a physicist at the A*STAR Singapore Institute of Manufacturing ...
Optics & Photonics
May 22, 2013
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Rice University scientists have unveiled a robust new method for arranging metal nanoparticles in geometric patterns that can act as optical processors that transform incoming light signals into output of a different color. ...
Nanophysics
May 21, 2013
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(Phys.org) —Harnessing the unique features of the quantum world promises a dramatic speed-up in information processing as compared to the fastest classical machines. Scientists from the Group of Philip Walther from the ...
Optics & Photonics
May 13, 2013
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A small piece of paper sticks to an electrically charged plastic ruler. The principle of this simple classroom physics experiment is applied at the microscopic scale by so-called optical tweezers to get the likes of polystyrene ...
General Physics
May 8, 2013
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