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Alexander Holevo publishes a paper showing that n qubits cannot carry more than n classical bits of information
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Polish mathematical physicist Roman Stanisław Ingarden publishes a seminal paper entitled "Quantum Information Theory" in Reports on Mathematical Physics
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Paul Benioff proposes the first recognisable theoretical framework for a quantum computer
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David Deutsch, at the University of Oxford, described the first universal quantum computer. Just as a Universal Turing machine can simulate any other Turing machine efficiently
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Peter Shor, at AT&T's Bell Labs in New Jersey, discovers an important algorithm. It allowed a quantum computer to factor large integers quickly
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Christopher Monroe and David Wineland at NIST (Boulder, Colorado) experimentally realize the first quantum logic gate – the C-NOT gate
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First experimental demonstration of a quantum algorithm. A working 2-qubit NMR quantum computer used to solve Deutsch's problem
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First working 7-qubit NMR computer demonstrated at the Los Alamos National Laboratory
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In December, the first quantum byte, or qubyte, is announced to have been created by scientists at The Institute of Quantum Optics and Quantum Information
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Quantum computer employing Von Neumann architecture
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Two qubit silicon logic gate developed