Squeezed quantum communication
New prospects for secure data traffic: Flashes of light in particularly sensitive quantum states can be transmitted through the atmosphere.
New prospects for secure data traffic: Flashes of light in particularly sensitive quantum states can be transmitted through the atmosphere.
Quantum Physics
Sep 9, 2014
0
0
(Phys.org) —A team of researchers working at the University of Padua in Italy has bounced polarized photons off of four in-flight satellites to show that quantum communications between such satellites and ground based stations ...
Quantum cryptography is said to be uncrackable. It will stay safe, but only if true randomness, the generation and use of intrinsically random numbers, can be achieved.
Quantum Physics
May 22, 2014
3
0
Harvard researchers have succeeded in creating quantum switches that can be turned on and off using a single photon, a technological achievement that could pave the way for the creation of highly secure quantum networks.
Quantum Physics
Apr 18, 2014
0
0
Secure mobile communications underpin our society and through mobile phones, tablets and laptops we have become online consumers. The security of mobile transactions is obscure to most people but is absolutely essential if ...
Quantum Physics
Apr 3, 2014
0
0
An article in Nature reviewing developments in quantum cryptography describes how we can keep our secrets secret even when faced with the double challenge of mistrust and manipulation.
Quantum Physics
Mar 26, 2014
1
2
The way we secure digital transactions could soon change. An international team has demonstrated a form of quantum cryptography that can protect people doing business with others they may not know or trust – a situation ...
Quantum Physics
Mar 12, 2014
0
0
One of the recent revelations by Edward Snowden is that the U.S. National Security Agency is currently developing a quantum computer. Physicists aren't surprised by this news; such a computer could crack the encryption that ...
Quantum Physics
Mar 12, 2014
0
0
The massive release of the US National Security Agency (NSA)'s classified documents by Edward Snowden continues to raise questions about security.
Computer Sciences
Feb 12, 2014
1
0
Quantum computing is getting the headlines these days, with buzz among scientists of giga-powered number-crunching and unbreakable encryption.
Quantum Physics
Jan 3, 2014
20
0