Transfer and teleportation of quantum states encoded in decoherence-free subspace
Hua Wei, Zhi-Jiao Deng, Xiaolong Zhang, Mang Feng · Physical Review A · 2007
Quantum state transfer and teleportation, with qubits encoded in internal states of atoms in cavities, among spatially separated nodes of a quantum network in a decoherence-free subspace are proposed, based on a cavity-assisted interaction with single-photon pulses. We show in detail the implementation of a logic-qubit Hadamard gate and a two-logic-qubit conditional gate, and discuss the experimental feasibility of our scheme.