Abstract
We present a scheme for bidirectional controlled remote preparation of arbitrary single-qubit states by using a five-photon cluster-type state as the quantum channel. The arbitrary single-qubit states can be bidirectional remote prepared with only linear-optical elements under the controller’s control. The sender first transform the quantum channel to the target channel according to their knowledge of prepared states, then perform single-qubit measurements on their entangled particles, the controller performs a X-basis measurement and the receivers can prepared the original states on their entangled particles if they cooperate with the control. This scheme is more convenient in application since it only requires linear-optical elements for bidirectional controlled remote state preparation of single-qubit states with cluster-type states.
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