Successful new field tests of a continuous-variable quantum key distribution (CV-QKD) system over commercial fiber networks could pave the way to its use in metropolitan areas.
Quantum Physics
May 29, 2019
0
204
Researchers have developed a simple and stable device to generate the quantum states necessary for quantum key distribution. The device could make it more practical to develop a global data network that uses this very secure ...
Optics & Photonics
May 6, 2019
0
167
Despite being the most advanced quantum technology, secure encryption of information units based on a method called quantum key distribution (QKD) is currently limited by the channel's capacity to send or share secret bits. ...
Quantum Physics
Jan 28, 2019
0
10
Spanish researchers have developed a quantum cryptography network integrated in a commercial optical network through technologies based on software defined networking (SDN), allowing for the implementation of quantum and ...
Quantum Physics
Oct 4, 2018
0
42
The way research in quantum technology will be taken forward has been laid out in a revised roadmap for the field.
Quantum Physics
Aug 15, 2018
0
42
Although blockchain is traditionally seen as secure, it is vulnerable to attack from quantum computers.
Quantum Physics
Jun 1, 2018
1
126
A joint China-Austria team has performed quantum key distribution between the quantum-science satellite Micius and multiple ground stations located in Xinglong (near Beijing), Nanshan (near Urumqi), and Graz (near Vienna). ...
Quantum Physics
Jan 19, 2018
1
1597
Quantum secret communication realizes secure information transmission-based on quantum principles. At present, the most developed quantum secret communication schemes are-based on quantum key distribution. In these schemes, ...
Quantum Physics
Dec 1, 2017
0
14
Recent advances in quantum computers may soon give hackers access to machines powerful enough to crack even the toughest of standard internet security codes. With these codes broken, all of our online data—from medical ...
Quantum Physics
Nov 24, 2017
12
1057
The first quantum-safe video conference was held between President Chunli Bai of the Chinese Academy of Sciences in Beijing and President Anton Zeilinger of the Austria Academy of Sciences in Vienna as the first real-world ...
Quantum Physics
Sep 29, 2017
0
87
