Tutorials

In this page, you will learn how to use QTCAD^® to model superconducting circuits through a series of tutorials.

• Device package (superconducting circuits)
  • 1. Capacitance extraction of a coaxial cable
  • 2. Capacitance extraction of a coaxial cable with adaptive meshing
  • 3. Capacitance matrix extraction for an Xmon qubit
  • 4. Maxwell eigenmode extraction of a coplanar waveguide resonator with adaptive meshing
  • 5. Maxwell eigenmode extraction for an Xmon qubit: inductor ports and EPR analysis
  • 6. \(S\)-matrix extraction of a transmission line with the driven Maxwell solver
• Quantum Metal workflow
  • 1. Capacitance matrix extraction for a transmon qubit designed using Quantum Metal
  • 2. Maxwell eigenmode extraction of a meandered resonator designed using Quantum Metal
  • 3. Maxwell eigenmode extraction of an Xmon coupled to a meandered resonator designed using Quantum Metal
  • 4. Design and Maxwell eigenmode extraction of an flip-chip using Quantum Metal
• Josephson junctions
  • 1. Analysis of Josephson-energy variability induced by interface roughness
  • 2. Automated Josephson-junction geometry extraction from layout
• From 2D layout to 3D geometry with Builder
  • 1. Coupled Xmons
  • 2. Flip-chip transmon device