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Figure 1

From: Filtration mapping as complete Bell state analyzer for bosonic particles

Figure 1

Principle scheme for Bell state measurement with filtration operation based on non-demolition filtration. With grey and white colours polarization and 50:50 beam splitters are denoted respectively. The filtering operation is described with Eqs. (11)–(12), respectively. The unitary transformations for the states \(|B_1\rangle , |B_2\rangle \) (a) and \(|B_3\rangle , |B_4\rangle \) (b) according to the classical bit of information are presented.

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