Learn about quantum error correction in this 40-minute video lesson that addresses the critical challenge of building reliable large-scale quantum computers by protecting fragile quantum information. Explore the fundamental concepts of error correction, starting with classical repetition codes and progressing to quantum-specific solutions. Dive deep into the groundbreaking 9-qubit Shor code, understand how to handle both bit-flip and phase-flip errors, and examine the discretization of errors principle. Master techniques for managing random, unitary, and arbitrary errors through detailed explanations and practical examples. Gain access to comprehensive written materials through IBM Quantum Learning to reinforce understanding of these essential quantum computing concepts.
Correcting Quantum Errors - Understanding Quantum Information and Computation - Lesson 13
Overview
Syllabus
– Introduction
– Overview
– The need for error correction
– Classical repetition codes
– Repetition code for qubits
– Phase-flip errors
– Correcting phase-flip errors
– 9-qubit Shor code
– Correcting bit-flip errors
– Errors and CNOTs
– Correcting phase-flip errors
– Correcting bit- and phase-flips
– Random errors
– Unitary errors
– Arbitrary errors
– Conclusion
Taught by
Qiskit
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