Scalable and parallel tweezer gates for quantum computing with long ion strings

Tobias Olsacher; Lukas Postler; Philipp Schindler; Thomas Monz; Peter Zoller; Lukas Sieberer

doi:10.1117/12.2582502

5 March 2021 Scalable and parallel tweezer gates for quantum computing with long ion strings

Tobias Olsacher, Lukas Postler, Philipp Schindler, Thomas Monz, Peter Zoller, Lukas Sieberer

Proceedings Volume 11699, Quantum Computing, Communication, and Simulation; 116990L (2021) https://doi.org/10.1117/12.2582502
Event: SPIE OPTO, 2021, Online Only

Abstract

Trapped-ion quantum computers have demonstrated high-performance gate operations in registers of about ten qubits. However, scaling up and parallelizing quantum computations with long 1D ion strings is an outstanding challenge due to the global nature of the motional modes of the ions which mediate qubit-qubit couplings. We devise methods to implement scalable and parallel entangling gates by using engineered localized phonon modes. We propose to tailor these modes by tuning the local potential of individual ions with programmable optical tweezers. Localized modes of small subsets of qubits enable to perform entangling gates on these subsets in parallel.

Conference Presentation

Citation Download Citation

Tobias Olsacher, Lukas Postler, Philipp Schindler, Thomas Monz, Peter Zoller, and Lukas Sieberer "Scalable and parallel tweezer gates for quantum computing with long ion strings", Proc. SPIE 11699, Quantum Computing, Communication, and Simulation, 116990L (5 March 2021); https://doi.org/10.1117/12.2582502

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