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van de Stolpe GL, Kwiatkowski DP, Bradley CE, Randall J, Abobeih MH, Breitweiser SA, Bassett LC, Markham M, Twitchen DJ, Taminiau TH. Mapping a 50-spin-qubit network through correlated sensing. Nat Commun 2024; 15:2006. [PMID: 38443361 PMCID: PMC10914733 DOI: 10.1038/s41467-024-46075-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2023] [Accepted: 02/09/2024] [Indexed: 03/07/2024] Open
Abstract
Spins associated to optically accessible solid-state defects have emerged as a versatile platform for exploring quantum simulation, quantum sensing and quantum communication. Pioneering experiments have shown the sensing, imaging, and control of multiple nuclear spins surrounding a single electron spin defect. However, the accessible size of these spin networks has been constrained by the spectral resolution of current methods. Here, we map a network of 50 coupled spins through high-resolution correlated sensing schemes, using a single nitrogen-vacancy center in diamond. We develop concatenated double-resonance sequences that identify spin-chains through the network. These chains reveal the characteristic spin frequencies and their interconnections with high spectral resolution, and can be fused together to map out the network. Our results provide new opportunities for quantum simulations by increasing the number of available spin qubits. Additionally, our methods might find applications in nano-scale imaging of complex spin systems external to the host crystal.
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Affiliation(s)
- G L van de Stolpe
- QuTech, Delft University of Technology, PO Box 5046, 2600, GA Delft, The Netherlands
- Kavli Institute of Nanoscience Delft, Delft University of Technology, PO Box 5046, 2600, GA Delft, The Netherlands
| | - D P Kwiatkowski
- QuTech, Delft University of Technology, PO Box 5046, 2600, GA Delft, The Netherlands
- Kavli Institute of Nanoscience Delft, Delft University of Technology, PO Box 5046, 2600, GA Delft, The Netherlands
| | - C E Bradley
- QuTech, Delft University of Technology, PO Box 5046, 2600, GA Delft, The Netherlands
- Kavli Institute of Nanoscience Delft, Delft University of Technology, PO Box 5046, 2600, GA Delft, The Netherlands
| | - J Randall
- QuTech, Delft University of Technology, PO Box 5046, 2600, GA Delft, The Netherlands
- Kavli Institute of Nanoscience Delft, Delft University of Technology, PO Box 5046, 2600, GA Delft, The Netherlands
| | - M H Abobeih
- QuTech, Delft University of Technology, PO Box 5046, 2600, GA Delft, The Netherlands
- Kavli Institute of Nanoscience Delft, Delft University of Technology, PO Box 5046, 2600, GA Delft, The Netherlands
| | - S A Breitweiser
- Quantum Engineering Laboratory, Department of Electrical and Systems Engineering, University of Pennsylvania, 200 South 33rd Street, Philadelphia, PA, 19104, USA
| | - L C Bassett
- Quantum Engineering Laboratory, Department of Electrical and Systems Engineering, University of Pennsylvania, 200 South 33rd Street, Philadelphia, PA, 19104, USA
| | - M Markham
- Element Six Innovation, Fermi Avenue, Harwell Oxford, Didcot, Oxfordshire, OX11 0QR, UK
| | - D J Twitchen
- Element Six Innovation, Fermi Avenue, Harwell Oxford, Didcot, Oxfordshire, OX11 0QR, UK
| | - T H Taminiau
- QuTech, Delft University of Technology, PO Box 5046, 2600, GA Delft, The Netherlands.
- Kavli Institute of Nanoscience Delft, Delft University of Technology, PO Box 5046, 2600, GA Delft, The Netherlands.
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