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Intro
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Classroom Contents
Control of Transmon Qubits Using a Cryogenic CMOS Integrated Circuit
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- 1 Intro
- 2 Outline
- 3 Driven Transmon ("Lab Frame")
- 4 Tradeoff Between Coherence Time & Gate Duration Gate time avoid
- 5 Typical Single Qubit Control/Measurement Hardware
- 6 Brute Force Scaling: 54 Qubits
- 7 Brute Force Scaling: 138,240 Qubits
- 8 Cryo-CMOS XY Controller Specifications Key design challenges: (1) No device models for 3K (2) dissipation
- 9 Waveform Generation Approach
- 10 Block Diagram
- 11 Vector Modulator
- 12 Example Room Temperature Measurements
- 13 Integration into Quantum System for Experiments
- 14 Waveforms at Monitor Port
- 15 Feedthrough Cancellation
- 16 Rabi Experiment (22ns Pulse)
- 17 Coherence Time Measurements
- 18 Comparison w/state of the art
- 19 Summary • Fault tolerant quantum computers will require scalable control
