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Adaptive estimation of the density matrix in quantum homodyne tomography with noisy data
In the framework of noisy quantum homodyne tomography with efficiency parameter 1/2 < η ≤ 1, we propose a novel estimator of a quantum state whose density matrix elements ρ m,n decrease like Ce -B(m+n) r/2 , for fixed C ≥ 1, B > 0 and 0 < r ≤ …