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Superdense coding is quantum communication protocol that transmits 2 classical bits of information by sending 1 qubit, provided sender and receiver pre-shared entangled pair of qubits.

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In superdense coding, you can use one qubit to control the Hilbert space of two qubits and steer it into 4 mutually orthogonal states, so that measurement of both qubits together will not have a proba …
asked Nov 10 '18 by psitae