We investigate in this work a quantum error correction on a …ve-qubits graph state used for secret sharing through …ve noisy channels. We describe the procedure for the …ve, seven and nine qubits codes. It is known that the three codes always allow error recovery if only one among the sents qubits is disturbed in the transmitting channel. However, if two qubits and more are disturbed, then the correction will depend on the used code. We compare in this paper the three codes by computing the average …delity between the sent secret and that measured by the receivers. We will treat the case where, at most, two qubits are a¤ected in each one of …ve depolarizing channels.
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