Topic
2 courses · 3 tutorials
IBM Quantum
John Watrous
John Watrous's fourth IBM Learning course. Quantum error-correcting codes, the stabilizer formalism, CSS codes, the toric and surface codes, and fault-tolerant computation. About 15 hours. Free, with an optional Credly badge.
Prof. John Preskill, Caltech
Prof. John Preskill's lecture notes for Caltech PHYS 219. Free graduate notes on quantum information, algorithms, error correction, and cryptography.
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.
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.
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.