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Quantum Control & Feedback

Measurement‑based control (adaptive bases)

  • Real‑time basis selection driven by a model to minimize predictive loss or maximize task reward.
  • Evaluate vs fixed‑policy baselines; account for control costs.

Coherence → work/information conversion

  • Protocols that turn coherence into extractable work or mutual information.
  • Efficiency = work (or bits) per unit coherence consumed; test robustness.

Efficiency and robustness metrics

  • Predictive log‑loss reduction, work per coherence, information per control bit.
  • Sensitivity to dephasing, timing jitter, calibration drift.

Toolchains and demos

  • Simulators: QuTiP, qiskit, Strawberry Fields.
  • Controllers: Bayesian filters, RL, model predictive control.

Further reading: 🧿Quantum Foundations, Operational Criteria, 🔬Research Directions (quantum tracks), 📚Glossary.