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The quantum computer has been a dream of computer scientists for a long time. Based on the quantum theory, quantum computers may bring a fundamental to current computing models. However, research on quantum computers has been mainly focused on theoretical and laboratory experimental verification of the quantum model, but a solid-state realization has remained an outstanding challenge…

Based on the Quantum mechanics, Quantum cryptography brings a fundamental revolution to online security. Quantum cryptography is a completely secure means of communication, and is now very close to being used practically thanks to researchers from Toshiba and Cambridge University’s Cavendish Laboratory…