(Phys.org)—In the non-intuitive quantum domain, the phenomenon of counterfactuality is defined as the transfer of a quantum state from one site to another without any quantum or classical particle transmitted between them. ...
Researchers at The University of Alabama designed and made a material that manipulates the speed of light in a new, more effective way than previous methods, according to findings recently published in Scientific Reports ...
Optics & Photonics
Oct 6, 2015
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More luminous and energy efficient than LEDs, white lasers look to be the future in lighting and light-based wireless communication.
Optics & Photonics
Jul 29, 2015
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Researchers have developed an ultrafast light-emitting device that can flip on and off 90 billion times a second and could form the basis of optical computing.
Nanophysics
Jul 27, 2015
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Berkeley Lab researchers have developed a nano-sized optical antenna that can greatly enhance the spontaneous emission of light from atoms, molecules and semiconductor quantum dots. This advance opens the door to light-emitting ...
Optics & Photonics
Feb 3, 2015
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During a thunderstorm, we all know that it is common to hear thunder after we see the lightning. That's because sound travels much slower (768 miles per hour) than light (670,000,000 miles per hour).
Optics & Photonics
Nov 26, 2014
14
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A group of researchers from Austria have sent twisted beams of light across the rooftops of Vienna.
Quantum Physics
Nov 11, 2014
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University of Pittsburgh researchers have become the first to detect a fundamental particle of light-matter interaction in metals, the exciton. The team will publish its work online June 1 in Nature Physics.
General Physics
Jun 1, 2014
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(Phys.org) —Imagine that you are in a meeting with coworkers or at a gathering of friends. You pull out your cell phone to show a presentation or a video on YouTube. But you don't use the tiny screen; your phone projects ...
Optics & Photonics
Mar 10, 2014
3
0
(Phys.org) —A new laser developed by a research group at Caltech holds the potential to increase by orders of magnitude the rate of data transmission in the optical-fiber network—the backbone of the Internet.
Optics & Photonics
Feb 20, 2014
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