Qubits

• Single Transmon - Grounded (xmon)
  • A transmon qubit
    • Closing the Qiskit Metal GUI
• Single Transmon - Floating
  • A transmon qubit
    • Closing the Qiskit Metal GUI
• Concentric Transmon
  • A Concentric Transmon
    • Closing the Qiskit Metal GUI
• Interdigitated Transmon Qubits
  • Closing the Qiskit Metal GUI
• Single Transmon - Grounded (xmon) flux lines
  • A transmon qubit with flux lines
    • Closing the Qiskit Metal GUI
• Single Transmon - Floating with 6 connection pads
  • A transmon qubit with 6 connection pads
    • Closing the Qiskit Metal GUI
• Single Transmon - Floating with charge lines
  • A transmon qubit
    • Closing the Qiskit Metal GUI
• Josephson Junction (Dolan)
  • A dolan style josephson junction
    • Closing the Qiskit Metal GUI
• Josephson Junction (Manhattan)
  • A manhattan style josephson junction
    • Closing the Qiskit Metal GUI
• Single Transmon - Floating with teeth
  • A transmon qubit with teeth
    • Closing the Qiskit Metal GUI
• Star shaped qubit
• A Star Qubit
• Closing the Qiskit Metal GUI

Single Transmon - Grounded (xmon)

Single Transmon - Floating

Concentric Transmon

Interdigitated Transmon Qubits

Single Transmon - Grounded (xmon) flux lines

Single Transmon - Floating with 6 connection pads

Single Transmon - Floating with charge lines

Josephson Junction (Dolan)

Josephson Junction (Manhattan)

Single Transmon - Floating with teeth

Star shaped qubit

Resonators

• Simple CPW Meander

Simple CPW Meander

Composite Bi-Partite Systems

• Transmon coupled to CPW resonator
  • Create the design in Metal

Transmon coupled to CPW resonator

Qubit Couplers

• Tunable Coupler (MIT)
  • Create the design in Metal
• Direct Coupler (transmon-transmon)
  • Create the design in Metal
• Bus Resonator Coupler (transmon-transmon)
  • Create the design in Metal

Tunable Coupler (MIT)

Direct Coupler (transmon-transmon)

Bus Resonator Coupler (transmon-transmon)

Input-Output Coupling

• CPW Launch Pad
  • Preparations
• Readout line
• Charge Line
  • A transmon qubit with charge line.
    • Closing the Qiskit Metal GUI

CPW Launch Pad

Readout line

Charge Line

Small Quantum Chips

• Four Qubit Chip Design
  • Preparations
    • Let’s design the core of the chip
    • Let’s now connect the core elements to the launchpads

Four Qubit Chip Design

Design Flow

• Example full chip design
• Layout
  • The Qubits
  • The Busses
  • The Readouts and Control Lines
• Analyze
  • Preparations
    • Rendering to a GDS File
• Launch Videos
  • First launch video
    • Preparations
    • Create the design
    • Export
      • END of first video
  • Second launch video
    • Preparations
    • Create the design
    • Render the design
• South Korea Qiskit Hackathon’20 - Qiskit Metal exercise
  • Preparation
  • Design the layout
  • Simulation and Analysis
    • Analysis via capacitance matrix and LOM
    • Analysis via eigenmode and EPR
    • Rendering to a GDS File

Example full chip design

Launch Videos

South Korea Qiskit Hackathon’20 - Qiskit Metal exercise