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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★ 12 cited
Linear-Optical Implementation of Perfect Discrimination between Single-bit Unitary Operations
Pei Zhang, Liang Peng, Zhi-Wei Wang +4
Discrimination of unitary operations is a fundamental quantum information processing task. Assisted with linear optical elements, we experimentally demonstrate perfect discriminati…