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Realizing an N Quantum Controlled Phase Gate In a Cavity QED With Dipole-Dipole Interaction |
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PP: 9-15 |
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Author(s) |
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T. Said,
A. Chouikh,
karima Essammouni,
Mohamed Bennai,
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Abstract |
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| We propose an effective method to realize a multiqubit controlled-phase gate with one qubit simultaneously controlling N
target qubits based on the dipole-dipole (atom-atom) interaction (DDI) and the qubit-cavity interaction (ACI) in a cavity QED. In our
scheme, the operation time of this phase gate is independent of the number N of qubits. On the other hand, the three operational steps
are required to realize the N target-qubit controlled-phase gate. This gate can be realized in a time much shorter than radiative time and
lifetime of the cavity photon. Also, we give a discussion on the total operation time of the proposed gate and on the role of DDI. |
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