Abstract
We study quantum teleportation between two different types of optical qubits using hybrid entanglement as a quantum channel under decoherence effects. One type of qubit employs the vacuum and single-photon states for the basis, called a single-rail single-photon qubit, and the other utilizes coherent states of opposite phases. We find that teleportation from a single-rail single-photon qubit to a coherent-state qubit is better than the opposite direction in terms of fidelity and success probability. We compare our results with those using a different type of hybrid entanglement between a polarized single-photon qubit and a coherent state.
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This work was supported by the National Research Foundation of Korea (NRF) through a Grant funded by the Korean government (MSIP) (Grant No. 2010-0018295).
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Jeong, H., Bae, S. & Choi, S. Quantum teleportation between a single-rail single-photon qubit and a coherent-state qubit using hybrid entanglement under decoherence effects. Quantum Inf Process 15, 913–927 (2016). https://doi.org/10.1007/s11128-015-1191-x
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DOI: https://doi.org/10.1007/s11128-015-1191-x