Priority Choice Experimental Two-Qubit Tomography: Measuring One by One All Elements of Density Matrices
Priority Choice Experimental Two-Qubit Tomography: Measuring One by One All Elements of Density Matrices
In standard optical tomographic methods, the off-diagonal elements of a density matrix $\rho$ are measured indirectly. Thus, the reconstruction of $\rho$, even if it is based on linear inversion, typically magnifies small errors in the experimental data. Recently, an optimal tomography [Phys. Rev. A 90, 062123 (2014)] has been proposed …