Abstract
We study the teleportation of the entangled state in quantum dots system coupled by a single-mode cavity field. By the use of the single-photon detection, spin measurement and Faraday rotation in QDs-cavity system, we perform a teleportation of tripartite GHZ-Like state encoded in the electron spins of a three-quantum-dot system. The success probability of the scheme can reach unity if the cavities are switchable to choice the appropriate Faraday rotation angle. The scheme of the teleportation can be easily generalized to an N-quantum-dot system.
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