Experimental scheme for unambiguous discrimination of linearly independent symmetric states

Details Experimental scheme for unambiguous discrimination of linearly independent symmetric states Experimental scheme for unambiguous discrimination of linearly independent symmetric states

2007-05-25

arxiv.org/abs/0705.3813v2

Physics

Quantum Physics

Scientific paper

10.1103/PhysRevA.76.062107

We propose an optimal discrimination scheme for a case of four linearly independent nonorthogonal symmetric quantum states, based on linear optics only. The probability of discrimination is in agreement with the optimal probability for unambiguous discrimination among N symmetric states [Phys. Lett. A \textbf{250}, 223 (1998)]. The experimental setup can be extended for the case of discrimination among $2^M$ nonorthogonal symmetric quantum states.

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