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Multi-qubit_gate_with_trapped_ions_for_microwave_and_laser_based_implementation.pdf (1.2 MB)

Multi-qubit gate with trapped ions for microwave and laser-based implementation

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journal contribution
posted on 2023-06-08, 20:32 authored by I Cohen, Sebastian WeidtSebastian Weidt, Winfried HensingerWinfried Hensinger, A Retzker
A proposal for a phase gate and a Mølmer–Sørensen gate in the dressed state basis is presented. In order to perform the multi-qubit interaction, a strong magnetic field gradient is required to couple the phonon-bus to the qubit states. The gate is performed using resonant microwave driving fields together with either a radio-frequency (RF) driving field, or additional detuned microwave driving fields. The gate is robust to ambient magnetic field fluctuations due to an applied resonant microwave driving field. Furthermore, the gate is robust to fluctuations in the microwave Rabi frequency and is decoupled from phonon dephasing due to a resonant RF or a detuned microwave driving field. This makes this new gate an attractive candidate for the implementation of high-fidelity microwave based multi-qubit gates. The proposal can also be realized in laser-based set-ups.

History

Publication status

  • Published

File Version

  • Published version

Journal

New Journal of Physics

ISSN

1367-2630

Publisher

IOP Publishing

Volume

17

Page range

043008

Department affiliated with

  • Physics and Astronomy Publications

Full text available

  • Yes

Peer reviewed?

  • Yes

Legacy Posted Date

2015-04-13

First Open Access (FOA) Date

2015-04-13

First Compliant Deposit (FCD) Date

2015-04-13

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