LIMINAL fits nested Lindblad models to tomographic data and uses likelihood-ratio tests to identify minimal dynamics for a five-qubit superconducting processor, supporting three-local Hamiltonian terms and two-local dissipation but not three-local dissipation.
A Quantum Engineer's Guide to Superconducting Qubits
5 Pith papers cite this work. Polarity classification is still indexing.
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abstract
The aim of this review is to provide quantum engineers with an introductory guide to the central concepts and challenges in the rapidly accelerating field of superconducting quantum circuits. Over the past twenty years, the field has matured from a predominantly basic research endeavor to one that increasingly explores the engineering of larger-scale superconducting quantum systems. Here, we review several foundational elements -- qubit design, noise properties, qubit control, and readout techniques -- developed during this period, bridging fundamental concepts in circuit quantum electrodynamics (cQED) and contemporary, state-of-the-art applications in gate-model quantum computation.
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Open-system quantum complexity is governed by a sub-Finslerian geometry whose curvature depends on the cost penalties for unitary and dissipative controls.
A synthetic-dimension Kitaev chain is realized in a 2D electron gas coupled to an LC resonator, enabling cavity-controlled Majorana zero modes for topological quantum computing.
A statistical framework models quasiparticle recombination and trapping in transmon qubits after particle impacts, enabling energy reconstruction of impacts through phonon-linked correlated relaxations that match Monte Carlo simulations.
The lattice-patch architecture couples four fixed-frequency transmons to a single coupler, yielding simulated CNOT fidelities above 0.98 in all six directions while mapping directly to surface-code plaquettes.
citing papers explorer
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Learning Lindblad Dynamics of a Superconducting Quantum Processor
LIMINAL fits nested Lindblad models to tomographic data and uses likelihood-ratio tests to identify minimal dynamics for a five-qubit superconducting processor, supporting three-local Hamiltonian terms and two-local dissipation but not three-local dissipation.
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The Geometry of Quantum Complexity in Open Systems
Open-system quantum complexity is governed by a sub-Finslerian geometry whose curvature depends on the cost penalties for unitary and dissipative controls.
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Kitaev chain in synthetic dimension with cavity-controlled Majorana modes
A synthetic-dimension Kitaev chain is realized in a 2D electron gas coupled to an LC resonator, enabling cavity-controlled Majorana zero modes for topological quantum computing.
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Measuring quasiparticle dynamics for particle impact reconstruction in a superconducting qubit chip
A statistical framework models quasiparticle recombination and trapping in transmon qubits after particle impacts, enabling energy reconstruction of impacts through phonon-linked correlated relaxations that match Monte Carlo simulations.
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Lattice patch structure for fixed-frequency transmon quantum computer with high-fidelity CNOT gates
The lattice-patch architecture couples four fixed-frequency transmons to a single coupler, yielding simulated CNOT fidelities above 0.98 in all six directions while mapping directly to surface-code plaquettes.