Physicists develop a quantum interface between light and atoms

Physicists at the Johannes Gutenberg University Mainz have developed a quantum interface which connects light particles and atoms. The interface is based on an ultra-thin glass fibre and is suitable for the transmission of quantum information. This is an essential prerequisite for quantum communication which shall be used for secure data transmission via quantum cryptography. 'Our quantum interface might also prove useful for the realisation of a quantum computer,' adds Professor Dr Arno Rauschenbeutel from the Institute of Physics at Mainz University...

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