Toshiba Europe has reached the demonstration phase of what it claims is the first system to use quantum cryptography to secure a real-time video and voice data stream.

Developed by a 30-person team of scientists working at the company’s Cambridge Research Laboratory , the company says that its immediate plans are to develop the technology for use in specialised video-conferencing systems, where high levels of security are essential.

Longer term, it could also be used to secure the transmission of any other high-bandwidth communication, as well as the movement of large numbers of sensitive files.   more »