Researchers Set New Distance Record for Quantum Key Distribution
New approach enhances quantum-based secure communication
University of Calgary scientists have overcome an 'Achilles' heel' of quantum-based secure communication systems, using a new approach that works in the real world to safeguard secrets.
Heads or tails: Experimental quantum coin flipping cryptography performs better than classical protocols
Experiment opens the door to multi-party quantum communication (Update)
In the world of quantum science, Alice and Bob have been talking to one another for years. Charlie joined the conversation a few years ago, but now by enforcing the space-like separation of the three parties, ...
NSA pursues quantum technology
In this month's issue of Physics World, Jon Cartwright explains how the revelation that the US National Security Agency (NSA) is developing quantum computers has renewed interest and sparked debate on just how far ahead ...
Eavesdroppers begone: New quantum key distribution technique is impervious to noise
Serious security: Device-Independent Quantum Key Distribution guards against the most general attacks
Quantum physics secures new cryptography scheme
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 ...
Could some entangled states be useless for quantum cryptography?
Making quantum cryptography truly secure
Quantum key distribution (QKD) is an advanced tool for secure computer-based interactions, providing confidential communication between two remote parties by enabling them to construct a shared secret key ...
New approach uses 'twisted light' to increase efficiency of quantum cryptography systems
Researchers at the University of Rochester and their collaborators have developed a way to transfer 2.05 bits per photon by using "twisted light." This remarkable achievement is possible because the researchers ...
A 'quantum leap' in encryption technology
Toshiba Research Europe, BT, ADVA Optical Networking and the National Physical Laboratory (NPL), the UK's National Measurement Institute, today announced the first successful trial of Quantum Key Distribution ...
Toshiba researchers achieve new record bit rate for quantum key distribution
The Cambridge Lab of Toshiba Research Europe today announced a major breakthrough that will allow ultra-secure encryption of sensitive data sent by banks, hospitals and government organisations.