publication . Article . Other literature type . 1995

Demonstration of a fundamental quantum logic gate.

Monroe, C.; Meekhof, D. M.; King, B. E.; Itano, W. M.; Wineland, D. J.;
Open Access
  • Published: 18 Dec 1995
  • Publisher: American Physical Society (APS)
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.
Subjects
ACM Computing Classification System: Hardware_ARITHMETICANDLOGICSTRUCTURES
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