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Ultra-fast two-qubit ion gate using sequences of resonant pulses

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URI: https://hdl.handle.net/10016/32003
ISSN: 1367-2630
DOI: https://doi.org/10.1088/1367-2630/abbab6
UXXI: AR/0000026494
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ultrafast_NJP_2020.pdf (1.82 MB)
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2020-10-12
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IOP Science
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Abstract
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 period T < 2π/ω. 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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Quantum information, Trapped ions, Qubit gates
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Torrontegui, E., Heinrich, D., Hussain, M. I., Blatt, R. y García Ripoll, J. J. (2020). Ultra-fast two-qubit ion gate using sequences of resonant pulses.New Journal of Physics, 22, 103024.
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