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RESEARCH SUMMARY

21 May 2021

An array of four germanium qubits

A four-qubit quantum processor based on germanium hole spin quantum dots is presented. Universal quantum logic is demonstrated on qubits that are positioned in a two-by-two grid, revealing that spin qubits can be coupled in two dimensions.

• Nico W. Hendrickx  ORCID: http://orcid.org/0000-0003-4224-7418 ⁰ &
• Menno Veldhorst  ORCID: http://orcid.org/0000-0001-9730-3523 ¹

1. Nico W. Hendrickx

   1. QuTech and Kavli Institute of Nanoscience, Delft University of Technology, Delft, The Netherlands.

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2. Menno Veldhorst

   1. QuTech and Kavli Institute of Nanoscience, Delft University of Technology, Delft, The Netherlands.

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This is a summary of Hendrickx, N. W. et al. A four-qubit germanium quantum processor. Nature https://doi.org/10.1038/s41586-021-03332-6 (2021).

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doi: https://doi.org/10.1038/d41586-021-01116-6

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Competing Interests

The authors declare no competing interests.

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