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Literature DB >> 24877921

Optimal quantum control of multimode couplings between trapped ion qubits for scalable entanglement.

T Choi¹, S Debnath¹, T A Manning¹, C Figgatt¹, Z-X Gong², L-M Duan³, C Monroe¹.

Abstract

We demonstrate entangling quantum gates within a chain of five trapped ion qubits by optimally shaping optical fields that couple to multiple collective modes of motion. We individually address qubits with segmented optical pulses to construct multipartite entangled states in a programmable way. This approach enables high-fidelity gates that can be scaled to larger qubit registers for quantum computation and simulation.

Year: 2014 PMID： 24877921 DOI： 10.1103/PhysRevLett.112.190502

Source DB: PubMed Journal: Phys Rev Lett ISSN： 0031-9007 Impact factor: 9.161

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Cited

12 in total

1. Experimental comparison of two quantum computing architectures.

Authors: Norbert M Linke; Dmitri Maslov; Martin Roetteler; Shantanu Debnath; Caroline Figgatt; Kevin A Landsman; Kenneth Wright; Christopher Monroe
Journal: Proc Natl Acad Sci U S A Date: 2017-03-21 Impact factor: 11.205

2. Superconducting quantum circuits at the surface code threshold for fault tolerance.

Authors: R Barends; J Kelly; A Megrant; A Veitia; D Sank; E Jeffrey; T C White; J Mutus; A G Fowler; B Campbell; Y Chen; Z Chen; B Chiaro; A Dunsworth; C Neill; P O'Malley; P Roushan; A Vainsencher; J Wenner; A N Korotkov; A N Cleland; John M Martinis
Journal: Nature Date: 2014-04-24 Impact factor: 49.962

Optimal quantum control of multimode couplings between trapped ion qubits for scalable entanglement.

1. Experimental comparison of two quantum computing architectures.

2. Superconducting quantum circuits at the surface code threshold for fault tolerance.

3. Demonstration of a small programmable quantum computer with atomic qubits.

4. Stroboscopic approach to trapped-ion quantum information processing with squeezed phonons.

5. Verified quantum information scrambling.

6. Quantum computation under micromotion in a planar ion crystal.

7. Fault-tolerant quantum error detection.

8. Complete 3-Qubit Grover search on a programmable quantum computer.

9. Quantum walks and Dirac cellular automata on a programmable trapped-ion quantum computer.

10. Training of quantum circuits on a hybrid quantum computer.