Journal
PHYSICAL REVIEW A
Volume 82, Issue 3, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.82.034307
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Funding
- National Natural Science Foundation of China [10974028]
- Doctoral Foundation of the Ministry of Education of China [20093514110009]
- Natural Science Foundation of Fujian Province [2009J06002]
- State Key Laboratory Breeding Base of Photocatalysis, Fuzhou University
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We report a scheme for implementing a multiqubit quantum phase gate in a neutral atomic ensemble via an asymmetric Rydberg blockade. The multiqubit gate is successfully realized by following a three-step approach. The neutral-atom qubits are always illuminated by the common laser beams and therefore individual addressing of the atoms is not required. The gate errors induced by atomic spontaneous emission, imperfect excitation blockade, and atomic motion are discussed.
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