Summary The most basic type of quantum information processing is quantum entanglement. In a new study published in EPJ B, Zhaonan Zhang from Shaanxi Normal University, Xi'an, China, and colleagues have provided a much finer ...
Quantum Physics
Jan 28, 2019
0
9
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
Toshiba and the Tohoku Medical Megabank Organization at Tohoku University have successfully applied high-speed quantum cryptographic communications technologies developed at Toshiba and Toshiba Research Europe's Cambridge ...
Telecom
Sep 11, 2018
0
8
Researchers from the Moscow Institute of Physics and Technology have rediscovered a material that could be the basis for ultra-high-speed quantum internet. Their paper published in npj Quantum Information shows how to increase ...
Quantum Physics
Mar 21, 2018
0
186
Cloning of quantum states is used for eavesdropping in quantum cryptography. It also has applications in quantum computation based on quantum information distribution. Uncertainty at the quantum scale makes exact cloning ...
Quantum Physics
Feb 20, 2018
1
57
Scientists at the Institute for Quantum Computing (IQC) at the University of Waterloo have captured the first images of ultrafast photons that are energy-time entangled. The new technique will have direct applications for ...
Quantum Physics
Feb 1, 2018
1
62
An international team of scientists has proven, for the first time, the security of so-called device-independent quantum cryptography in a regime that is attainable with state-of-the-art quantum technology, thus paving the ...
Quantum Physics
Feb 1, 2018
8
60
On December 26, 2017, J. Pace, G. Woltman, S. Kurowski, A. Blosser, and their co-authors announced the discovery of a new prime number: 2⁷⁷²³²⁹¹⁷-1. It's an excellent opportunity to take a small tour through the ...
Mathematics
Jan 31, 2018
1
152
Data travels through thousands of miles of fiber optic cables underneath the world's oceans—via pulses of light. And according to experts, the data in these cables is at great risk of being intercepted. However, a newly ...
Optics & Photonics
Jan 11, 2018
0
306
(Phys.org)—In quantum mechanics, it's impossible to precisely and simultaneously measure the complementary properties (such as the position and momentum) of a quantum state. Now in a new study, physicists have cloned quantum ...
