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Quantum control

With great power comes great fidelity

Many quantum applications require the careful preparation of quantum harmonic oscillators. The combination of a high-power microwave drive and weak nonlinearity enables fast control of such systems, with implications for quantum computing and metrology.

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Fig. 1: Universal control of quantum harmonic oscillator through strong driving.


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Correspondence to Christian Kraglund Andersen.

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The author declares no competing interests.

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Andersen, C.K. With great power comes great fidelity. Nat. Phys. 18, 1396–1397 (2022).

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