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Quantum Engineering Year 2: Advanced Quantum Science Month 33Day 902

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Year 2·Month 33·Week 1

Day 902: Readout Mechanisms

Day 902 of 2,016~17 min read

Learning Objectives

•**Derive** the dispersive readout Hamiltonian and resonator response
•**Explain** quantum non-demolition (QND) measurement requirements
•**Calculate** readout fidelity from signal-to-noise ratio
•**Analyze** sources of readout errors and mitigation strategies
•**Describe** multiplexed readout for multi-qubit systems
•**Understand** Purcell decay and filtering techniques

Today's Schedule (7 hours)

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On this page

1 Dispersive Readout Principle 2 Dispersive Shift 3 Resonator Response 4 IQ Representation 5 Quantum Non-Demolition QND Measurement 6 Readout Fidelity 7 Photon Number and Measurement Time 8 Readout Errors and Mitigation 9 Multiplexed Readout 10 Purcell Effect and Filtering Quantum Computing Applications Fast Readout for Error Correction Heralded State Preparation Real-Time Feedback

Day 901Day 902 of 2,016Day 903