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Theory of versatile fidelity estimation with confidence
Akshay Seshadri, Martin Ringbauer, Jacob Spainhour +2
Estimating the fidelity with a target state is important in quantum information tasks. Many fidelity estimation techniques present a suitable measurement scheme to perform the esti…
Versatile fidelity estimation with confidence
Akshay Seshadri, Martin Ringbauer, Jacob Spainhour +3
As quantum devices become more complex and the requirements on these devices become more demanding, it is crucial to be able to verify the performance of such devices in a scalable…
Quantum state tomography via compressed sensing
David Gross, Yi-Kai Liu, Steven T. Flammia +2
We establish methods for quantum state tomography based on compressed sensing. These methods are specialized for quantum states that are fairly pure, and they offer a significant p…