Controlled quantum teleportation of superposed coherent state using GHZ entangled coherent state. (English) Zbl 1428.81046
Summary: Controlled quantum teleportation of superposed coherent states using GHZ entangled 3-mode coherent states is studied. Proposed scheme can be implemented experimentally using linear optical components such as a symmetric lossless beam splitter, two phase-shifters and two photon counters. Fidelity is found close to unity for appreciable mean number of photons in coherent states and is 0.99 for mean photon number equal to two.
MSC:
| 81P45 | Quantum information, communication, networks (quantum-theoretic aspects) |
| 81P40 | Quantum coherence, entanglement, quantum correlations |
| 81P15 | Quantum measurement theory, state operations, state preparations |
| 94A40 | Channel models (including quantum) in information and communication theory |
| 81R30 | Coherent states |
| 81V80 | Quantum optics |
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