Engineers at Caltech have shown that atoms in optical cavities—tiny boxes for light—could be foundational to the creation of a quantum internet. Their work was published on March 30 by the journal Nature.
Quantum Physics
Mar 30, 2020
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2301
monstrated new chip-based devices that contain allthe optical components necessary for quantum key distribution while increasing real-world security. The fast and cost-effective platform is poised to facilitate implementation ...
Optics & Photonics
Mar 19, 2020
0
111
An academic-industrial team in Japan has connected three laboratories in a 100-kilometer region with an optical telecommunications fiber network stable enough to remotely interrogate optical atomic clocks. This type of fiber ...
Optics & Photonics
Mar 17, 2020
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150
More than 99% of our Internet data is carried by optical fibers but with our data demands increasing, we are pushing our existing fiber networks to their limits. One way to increase the capacity of fibers is to transmit signals ...
Optics & Photonics
Feb 28, 2020
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45
Researchers in South Korea have developed a new optical communications technology that can transfer data at lightning speed. The new technology sends and receives twice as much data as conventional methods. It is expected ...
Optics & Photonics
Feb 24, 2020
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8
It's no secret that planet Earth is occasionally greeted by rocks from space that either explode in the atmosphere or impact on the surface. In addition, Earth regularly experiences meteor showers whenever it passes through ...
Astronomy
Feb 19, 2020
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572
Randomness governs many things, from the growth of cell colonies and the agglomeration of polymers to the shapes of tendrils that form when you pour cream into a cup of coffee.
Optics & Photonics
Dec 24, 2019
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463
MIT researchers have developed a novel "photonic" chip that uses light instead of electricity—and consumes relatively little power in the process. The chip could be used to process massive neural networks millions of times ...
General Physics
Jun 6, 2019
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722
Engineers at the University of California, Berkeley have built a new photonic switch that can control the direction of light passing through optical fibers faster and more efficiently than ever. This optical "traffic cop" ...
Optics & Photonics
Apr 12, 2019
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138
Scientists at Tokyo Institute of Technology have fabricated a multiplexer/demultiplexer module based on a property of light that was not being exploited in communications systems: the optical vortex. Such devices will be ...
Internet
Mar 8, 2019
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