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Quantum Engineering Year 2: Advanced Quantum Science Month 36Day 990

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Year 2·Month 36·Week 2

Day 990: Error Correction Demonstrations

Day 990 of 2,016~19 min read

Learning Objectives

•**Summarize** major error correction demonstrations from 2024-2026
•**Compare** surface code implementations across platforms
•**Analyze** LDPC and alternative code demonstrations
•**Evaluate** real-time decoding implementations
•**Distinguish** error suppression from error correction
•**Assess** the path from demonstrations to practical fault tolerance

Today's Schedule (7 hours)

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1 The State of Error Correction 2025 From Theory to Reality Key Metrics for Evaluation 2 Surface Code Demonstrations Googles Willow Results December 2024 IBMs Surface Code Path Comparative Analysis Google vs IBM 3 Trapped-Ion Error Correction Quantinuums Demonstrations IonQs Approach 4 Neutral Atom Error Correction QuEras Logical Qubits 2024-2025 Atom Computing 5 LDPC and Alternative Codes Beyond Surface Codes Recent LDPC Demonstrations Floquet Codes 6 Real-Time Decoding The Decoding Bottleneck Decoding Approaches Real-Time Demonstrations 7 Error Suppression vs Error Correction Important Distinction Distinguishing in Experiments

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