Quantum Computation (Caltech PHYS 219)
Prof. John Preskill, Caltech
fault tolerance
3 courses · 3 tutorials
Courses
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Quantum Optics and Quantum Computing (University of Innsbruck)
Quantum Optics and Spectroscopy Group, University of Innsbruck
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Introduction to Quantum Error Correction (IBM Learning)
IBM Quantum
Free Tutorials
- →
- advanced
- 22 min read
Fault-Tolerant Quantum Gates: Why T Gates Need Magic States
Physical vs logical gates, transversal Cliffords on the surface code, the Eastin-Knill obstruction, and the 15-to-1 magic state protocol that makes T gates fault-tolerant.
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- intermediate
- 22 min read
Introduction to Quantum Error Correction: The Bit-Flip Code
Learn how quantum error correction works by implementing the 3-qubit bit-flip code in Qiskit - encode a logical qubit, introduce an error, detect it with syndrome measurement, and correct it.
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- advanced
- 60 minutes
Decomposing Arbitrary Gates into Clifford+T with PennyLane
Understand why Clifford+T is the universal fault-tolerant gate set, the cost of T gates in magic state distillation, and how to analyze T-count with PennyLane.