Quantum process tomography of single photon quantum channels with controllable decoherence

Details Quantum process tomography of single photon quantum channels with controllable decoherence Quantum process tomography of single photon quantum channels with controllable decoherence

2011-08-07

arxiv.org/abs/1108.1543v2

A. Shaham and H. S. Eisenberg, Phys. Scr. T147, 014029 (2012)

Physics

Quantum Physics

8 pages, 5 figures, submitted to Physica Scripta

Scientific paper

10.1088/0031-8949/2012/T147/0140

We characterized unital quantum channels of single photon polarization qubits. The channels are composed of two birefringent crystals and wave-plates, where their decoherence properties are controlled. An experimental comparison between two different depolarizing configurations was performed using a quantum process tomography procedure. The results are with a high fidelity to the theoretical predictions.

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