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Bit error rate bound of optical communication theory was beaten - An important step toward ultra-long-distance, low-power and high-capacity communications -

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June 24, 2011

National Institute of Information and Communications Technology (hereinafter called NICT, President: Hideo Miyahara), in collaboration with National Institute of Advanced Industrial Science and Technology (hereinafter called AIST) and Nihon University, has succeeded in the world’s first demonstration of beating the bit error rate bound of optical communication theory, by using a new technology of “quantum receiver”. By replacing a conventional optical receiver with this quantum receiver, one will be able to realize large capacity communications without increasing the signal power in a fiber, as well as to extend a communication distance in space. Our result is an important step toward realizing those tasks. This achievement has been reported over the official website and a magazine of Physical Review Letters*, on June 24, 2011.

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Quantum ICT Advanced Development Center