Geometric Superinductance Qubits: Controlling Phase Delocalization across a Single Josephson Junction

2021/06/10 by Matilda Peruzzo, Farid Hassani, Gregory Szép +7
Computer Science · Physics and Astronomy · #Charge qubit #Condensed matter physics #Electrical engineering #Flux qubit #Josephson effect #Phase qubit #Physics #Physics of Superconductivity and Magnetism #Quantum #Quantum Information and Cryptography #Quantum and electron transport phenomena #Quantum mechanics #Qubit #Superconducting quantum computing #Superconductivity #Topology (electrical circuits) #Transmon #cond-mat.mes-hall #quant-ph

paper · pdf · doi:10.1103/prxquantum.2.040341

published as PRX Quantum 2, 040341 (2021) · 11 pages, 7 figures

arxiv created 2021/06/10 · openalex publication_date 2021/11/24 · arxiv updated 2021/12/21 · openalex created_date 2025/10/10 · openalex updated_date 2026/06/11

Abstract

A large variety of superconducting qubits built from geometric superinductances are demonstrated, highlighting several crucial advantages stemming from the small footprint, high degree of control, and design flexibility.

Citations

• Circuit Quantum Electrodynamics
• Charge insensitive qubit design derived from the Cooper pair box
• Superconducting nanocircuits for topologically protected qubits
• Fluxonium: Single Cooper-Pair Circuit Free of Charge Offsets
• A Quantum Engineer's Guide to Superconducting Qubits