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Figure 16 | EPJ Quantum Technology

Figure 16

From: Quantum encryption of superposition states with quantum permutation pad in IBM quantum computers

Figure 16

This figure illustrates measurement results of the state \(\hat{H}^{\dagger}(P^{\dagger}(P(\hat{H}|r\rangle )))\), for some randomly chosen Permutation Operator P and \(r \in \{00,01,10,11\}\). Each circuit was executed 20,000 times on the IBM Manila Quantum computer. This figure illustrates the measurement results in the form of plot histogram. (a) Plot histogram of measurement results of the state \(|\phi \rangle = \hat{H}^{\dagger}(P^{\dagger}(P(\hat{H}|00\rangle )))\). (b) Plot histogram of measurement results of the state \(|\phi \rangle = \hat{H}^{\dagger}(P^{\dagger}(P(\hat{H}|01\rangle )))\). (c) Plot histogram of measurement results of the state \(|\phi \rangle = \hat{H}^{\dagger}(P^{\dagger}(P(\hat{H}|10\rangle )))\). (d) Plot histogram of measurement results of the state \(|\phi \rangle = \hat{H}^{\dagger}(P^{\dagger}(P(\hat{H}|11\rangle )))\)

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