5 papers
Extracting Electromagnetic Bare Mode Couplings in Large Superconducting Quantum Processors
Reza Molavi, Ebrahim Forati, Yaxing Zhang +9
High-fidelity control of superconducting quantum processors requires accurate characterization of electromagnetic coupling strengths among the device's constituent elements. Accura…
Singular Vector Finite Element Basis Functions for Tetrahedra in Complex Electromagnetic Geometries
Samuel T. Elkin, Ghazi Khan, Ebrahim Forati +4
Electromagnetic finite element method (FEM) implementations using traditional basis functions struggle to accurately represent field behavior near singular features such as conduct…
Incorporating multi-qubit exchange coupling effects between transmon qubits in Maxwell-Schrödinger numerical methods
Ghazi Khan, Thomas E. Roth
Superconducting qubits have emerged as a leading platform for realizing quantum computers. Accurate modeling of these devices is essential for predicting performance, improving des…
Opportunities and Challenges of Computational Electromagnetics Methods for Superconducting Circuit Quantum Device Modeling: A Practical Review
Samuel T. Elkin, Ghazi Khan, Ebrahim Forati +5
High-fidelity numerical methods that model the physical layout of a device are essential for the design of many technologies. For methods that characterize electromagnetic effects,…
Field-Based Formalism for Calculating Multi-Qubit Exchange Coupling Rates for Transmon Qubits
Ghazi Khan, Thomas E. Roth
Superconducting qubits are one of the most mature platforms for quantum computing, but significant performance improvements are still needed. To improve the engineering of these sy…