Scheme for Controlled Dense Coding via Cavity Decay |
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Authors: | YANG Rong-Can LI Hong-Cai LIN Xiu HUANG Zhi-Ping |
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Affiliation: | School of Physics and OptoElectronic Technology, Fujian NormalUniversity, Fuzhou 35007, China |
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Abstract: | A scheme for controlled dense coding via cavity decay is proposed. In the scheme, two degenerate ground states of six-level atoms are used as the storage qubits and the leaky photons act as flying qubits. The system is robust against atomic spontaneous emissions and decoherence of cavity field. And the successful probability is nearly 1 with quantum nondemolition parity detectors and photon detectors. The scheme may be realized based on current technologies. |
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Keywords: | controlled dense coding cavity decay quantum nondemolition parity detectors |
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