File:Bell State Decoder.jpg

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Summary

Description
English: The state labeled "EPR Pair" is a two-qubit entangled state with one qubit on each wire. A CNOT operation with the first qubit as control, followed by a Hadamard transform on the first qubit, produces an unentangled (product) state of the two qubits |a> and |b>, each of which are in exactly one of the computational basis states |0> or |1>. The mapping is unique so the circuit uniquely takes Bell Basis states to two-qubit Computational Basis states (in other words this circuit is a change of basis).
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Author Krisch53
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Captions

A simple quantum circuit that maps one of the four EPR pairs into one of the four two-qubit computational basis states. The circuit consists of a CNOT gate followed by a Hadamard operation. In the outputs, a and b take on values of 0 or 1.

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23 November 2020

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Date/TimeThumbnailDimensionsUserComment
current02:42, 24 November 2020Thumbnail for version as of 02:42, 24 November 2020765 × 266 (19 KB)Krisch53Uploaded own work with UploadWizard
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