Demonstration of a fundamental quantum logic gate
Physical review letters, 1995•APS
We demonstrate the operation of a two-bit" controlled-NOT" quantum logic gate, which, in
conjunction with simple single-bit operations, forms a universal quantum logic gate for
quantum computation. The two quantum bits are stored in the internal and external degrees
of freedom of a single trapped atom, which is first laser cooled to the zero-point energy.
Decoherence effects are identified for the operation, and the possibility of extending the
system to more qubits appears promising.
conjunction with simple single-bit operations, forms a universal quantum logic gate for
quantum computation. The two quantum bits are stored in the internal and external degrees
of freedom of a single trapped atom, which is first laser cooled to the zero-point energy.
Decoherence effects are identified for the operation, and the possibility of extending the
system to more qubits appears promising.
Abstract
We demonstrate the operation of a two-bit" controlled-NOT" quantum logic gate, which, in conjunction with simple single-bit operations, forms a universal quantum logic gate for quantum computation. The two quantum bits are stored in the internal and external degrees of freedom of a single trapped atom, which is first laser cooled to the zero-point energy. Decoherence effects are identified for the operation, and the possibility of extending the system to more qubits appears promising.
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