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How Qubits Work

A short sequence of physics-first labs that explain how real quantum hardware is tuned, controlled, and read out. Each module isolates a specific assumption and makes it interactive.

Series length: 6 modulesLive: 3 modulesFormat: short labs

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How We Tune a Qubit

Spectroscopy basics. CW vs pulsed lineshapes, saturation, and power broadening.

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Why Qubits Forget

T1, T2, coherence decay, and linewidth intuition.

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How Qubits Talk

Avoided crossings, coupling strength, and dispersive shifts.

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How Gates Happen

Pulse shaping, leakage, and control errors.

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How We Measure

Dispersive readout, SNR, and fidelity.

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How We Scale

Topology, routing overhead, and spectral crowding.

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How To Use This Series

Start with spectroscopy to see how a qubit frequency is found.
Move to coherence to connect linewidth with T1 and T2.
Then explore coupling to see how two-qubit interactions emerge.

Start with Module 1 →