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September 23, 2025PRX QuantumOpen Access

Singlet-Triplet and Exchange-Only Flopping-Mode Spin Qubits

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Authors

SSSimon StastnyGBGuido Burkard

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Overview

This research demonstrates enhanced qubit control in semiconductor-based systems, highlighting flopping-mode and singlet-triplet performance.

Key Points

  • The flopping-mode spin qubit allows for low-power qubit control with robust cavity interaction.
  • Using three and four quantum dots, the new qubit designs enhance longitudinal coupling for universal control.
  • The study employs input-output theory for measuring cavity transmission to assess coupling strengths.
  • Improved qubit designs face challenges in coupling singlet-triplet and exchange-only qubits with microwave cavities.

Cite This Study

Stastny et al. (2025) studied this question.

synapsesocial.com/papers/68d4759931b076d99fa6d8e8https://doi.org/10.1103/v1b6-r6jm
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Modeling of flopping-mode spin qubits: Beyond the two-site model2026
  2. 2Longitudinal coupling between electrically driven spin qubits and a resonator2024 · 4 citations
  3. 3Coherent control of a triangular exchange-only spin qubit2024
  4. 4Anisotropic exchange interaction of two hole-spin qubits2024 · 16 citations
  5. 5SpinHex: A low-crosstalk, spin-qubit architecture based on multi-electron couplers2025