Multipartite Quantum Secret Sharing Using a Single Not-So-Weak Qubit

We propose a new quantum secret sharing scheme using a single non-entangled qubit. In the scheme, by transmitting a qubit to the next party sequentially, a sender can securely transmit a secret message to N receivers who can only decode the message cooperatively after randomly shuffling the polarization of the qubit. We explain this quantum secret sharing scheme based on the one between a sender and two receivers and generalize it to a scheme between a sender and N receivers. Since our scheme is capable of using a faint coherent pulse as a qubit, it is experimentally feasible within current technology. KCI Citation Count: 0