Hybrid Semiconductor-Superconductor Qubits: A Promising Quantum Computing Approach
Published:Dec 29, 2025 09:45
•1 min read
•ArXiv
Analysis
This paper reviews the advancements in hybrid semiconductor-superconductor qubits, highlighting their potential for scalable and low-crosstalk quantum processors. It emphasizes the combination of superconducting and semiconductor qubit advantages, particularly the gate-tunable Josephson coupling and the encoding of quantum information in quasiparticle spins. The review covers physical mechanisms, device implementations, and emerging architectures, with a focus on topologically protected quantum information processing. The paper's significance lies in its overview of a rapidly developing field with the potential for practical demonstrations in the near future.
Key Takeaways
- •Hybrid semiconductor-superconductor qubits combine advantages of superconducting and semiconductor qubits.
- •Gate-tunable Josephson coupling is a key feature, enabling electric-field control.
- •The field is rapidly advancing with potential for practical demonstrations.
- •Focus on architectures for topologically protected quantum information processing.
Reference
“The defining feature is their gate-tunable Josephson coupling, enabling superconducting qubit architectures with full electric-field control and offering a path toward scalable, low-crosstalk quantum processors.”