Papers › Enhanced Compressive Threshold Quantum State Tomography for Qudit Systems
Enhanced Compressive Threshold Quantum State Tomography for Qudit Systems
Giovanni Garberoglio, Maurizio Dapor, Diego Maragnano, Marco Liscidini, Daniele Binosi
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We propose an efficient quantum state tomography method inspired by compressed sensing and threshold quantum state tomography that can drastically reduce the number of measurement settings to reconstruct the density matrix of an N-qudit system. We validate our algorithm with simulations on IBMQ and demonstrate the efficient and accurate reconstruction of N≤7 qubit systems, reproducing GHZ, W, and random states with O(1), O(N²), and O(N) settings.
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