Encrypting data in a way that ensures secure communication is an ever-growing challenge because crucial components of today's encryption systems cannot withstand future quantum computers. Researchers around the world are ...
Optics & Photonics
Mar 15, 2021
0
2446
Seismologists at Caltech working with optics experts at Google have developed a method to use existing underwater telecommunication cables to detect earthquakes. The technique could lead to improved earthquake and tsunami ...
Earth Sciences
Feb 26, 2021
7
1721
Chinese scientists have established the world's first integrated quantum communication network, combining over 700 optical fibers on the ground with two ground-to-satellite links to achieve quantum key distribution over a ...
Quantum Physics
Jan 6, 2021
3
6955
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
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
0
45
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
0
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
0
5
Only a couple of months after they were installed in 2016, New York City decided to cut off internet access to a series of "smart city" kiosks it built to replace old telephone booths after homeless people monopolized them ...
Internet
Sep 6, 2018
0
5
Through innovative use of a neural network that mimics image processing by the human brain, a research team reports accurate reconstruction of images transmitted over optical fibers for distances of up to a kilometer.
Optics & Photonics
Aug 7, 2018
0
56
Cheaper and more efficient photonic devices, such as lasers, optical fibers, and other light sources may be possible with confined light that is unaffected by imperfections in the material that confines it, according to new ...
Optics & Photonics
Jun 4, 2018
0
84
