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- Title
ONE-STEP IMPLEMENTATION OF CONTROLLED PHASE GATES FOR THREE ATOMS TRAPPED IN SEPARATED CAVITIES.
- Authors
LU, DAO-MING; ZHENG, SHI-BIAO
- Abstract
A scheme is proposed for implementing the controlled phase gate for three atoms trapped in separated cavities coupled by optical fibers. The energy-level distances of the qubit system become unequal as a consequence of the virtual photon exchange between the atomic qubits, which allows the selective excitation of the qubit system in the symmetric Dicke subspace. The conditional phase shift is produced after a single selective Rabi oscillation and the operation is insensitive to cavity loss and fiber decay.
- Subjects
ATOM trapping; OPTICAL fibers; LOGIC circuits; QUBITS; SYMMETRY (Physics); PHASE shift (Nuclear physics); OSCILLATIONS; PHOTONS
- Publication
International Journal of Quantum Information, 2012, Vol 10, Issue 4, p-1
- ISSN
0219-7499
- Publication type
Article
- DOI
10.1142/S0219749912500529