Journal
NEW JOURNAL OF PHYSICS
Volume 22, Issue 10, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1367-2630/abbab6
Keywords
quantum information; trapped ions; qubit gates
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Funding
- MCIU/AEI/FEDER,UE [PGC2018-094792-B-I00]
- CSIC Research Platform [PTI-001]
- CAM/FEDER Project [S2018/TCS-4342]
- Institut fur Quanteninformation GmbH
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We propose a new protocol to implement ultra-fast two-qubit phase gates with trapped ions using spin-dependent kicks induced by resonant transitions. By only optimizing the allocation of the arrival times in a pulse train sequence the gate is implemented in times faster than the trapping oscillation periodT< 2 pi/omega. Such gates allow us to increase the number of gate operations that can be completed within the coherence time of the ion-qubits favoring the development of scalable quantum computers.
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