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quant-ph2008
Experimental Measurement of Lower and Upper Bounds of Concurrence for Mixed Quantum States
Xiao-Ling Niu, Yan-Xiao Gong, Jian Li +5
We experimentally measure the lower and upper bounds of concurrence for a set of two-qubit mixed quantum states using photonic systems. The measured concurrence bounds are in agree…
quant-ph2008★ 16 cited
Dependence of the decoherence of polarization states in phase-damping channels on the frequency spectrum envelope of photons
Yan-Xiao Gong, Yong-Sheng Zhang, Yu-Li Dong +3
We consider the decoherence of photons suffering in phase-damping channels. By exploring the evolutions of single-photon polarization states and two-photon polarization-entangled s…