Overview
Syllabus
Intro
Google Hardware Path
Quantum Supremacy John Preskill (2012)
Quantum Supremacy experiment: a benchma Benchmarking: Component error rates should be predictive of algorithm performance
Sycamore benchmarking results
Cross Entropy Benchmarking (XEB) circuit Sample the output of a pseudo-random quantum circuit
Component model
Model comparison to data
Scalable design: flip-chip bonding
Hardware: Packaging
Hardware: Electronics
72 qubits Our first large. 2D chip
Coupling between qubits
Sycamore: tunable coupling architecture
Sycamore: tunable coupling data
Tunable coupling tradeoffs Pros
Our quantum hardware principles
Calibration: learning to execute quantum logi Challenges
"Optimus": Al for calibrating quantum proces
Calibration graph: Sycamore Calibration sequence for 2 qubits
Calibrating Sycamore: Rabi
Calibrating Sycamore: Readout
Calibrating Sycamore: iSwap-like
Calibrating 20 gates in XEB: parallel vs isolate
Optimus: distill experimental knowledge into
Frequency placement problem & "Snake" optimizer
Frequency Optimization Visualized
Benchmarking Processor Configurations • Cross-entropy benchmarking XEB
Taught by
Simons Institute