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Article Dans Une Revue Nature Nanotech. Année : 2023

Strong coupling between a photon and a hole spin in silicon

Résumé

Spins in semiconductor quantum dots constitute a promising platform for scalable quantum information processing. Coupling them strongly to the photonic modes of superconducting microwave resonators would enable fast non-demolition readout and long-range, on-chip connectivity, well beyond nearest-neighbor quantum interactions. Here we demonstrate strong coupling between a microwave photon in a superconducting resonator and a hole spin in a silicon-based double quantum dot issued from a foundry-compatible MOS fabrication process. By leveraging the strong spin-orbit interaction intrinsically present in the valence band of silicon, we achieve a spin-photon coupling rate as high as 330 MHz largely exceeding the combined spin-photon decoherence rate. This result, together with the recently demonstrated long coherence of hole spins in silicon, opens a new realistic pathway to the development of circuit quantum electrodynamics with spins in semiconductor quantum dots.

Dates et versions

hal-03720117 , version 1 (11-07-2022)

Identifiants

Citer

Simon Zihlmann, José Abadillo-Uriel, Vincent Michal, Nils Rambal, Heimanu Niebojewski, et al.. Strong coupling between a photon and a hole spin in silicon. Nature Nanotech., 2023, 18, pp.741-746. ⟨10.1038/s41565-023-01332-3⟩. ⟨hal-03720117⟩
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