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quant-ph2023★ 28 cited
Robust estimation of the Quantum Fisher Information on a quantum processor
Vittorio Vitale, Aniket Rath, Petar Jurcevic +3
We present the experimental measurement, on a quantum processor, of a series of polynomial lower bounds that converge to the quantum Fisher information (QFI), a fundamental quantit…
quant-ph2023★ 18 cited
Enhanced estimation of quantum properties with common randomized measurements
Benoît Vermersch, Aniket Rath, Bharathan Sundar +3
We present a technique for enhancing the estimation of quantum state properties by incorporating approximate prior knowledge about the quantum state of interest. This method involv…