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2007•e-Journal of Surface Science and NanotechnologyOpen access

Quantum Entanglement and Teleportation of Quantum-Dot States in Microcavities

Adam Miranowicz, Şahin Kaya Özdemir, Yu-xi Liu, Grzegorz Chimczak, Masato Koashi, N. Imoto

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Abstract

Generation and control of quantum entanglement are studied in an equivalent-neighbor system of spatially-separated semiconductor quantum dots coupled by a single-mode cavity field. Generation of genuinely multipartite entanglement of qubit states realized by conduction-band electron-spin states in quantum dots is discussed. A protocol for quantum teleportation of electron-spin states via cavity decay is briefly described. [DOI: 10.1380/ejssnt.2007.51]

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Generation and control of quantum entanglement are studied in an equivalent-neighbor system of spatially-separated semiconductor quantum dots coupled by a single-mode cavity field. Generation of genuinely multipartite entanglement of qubit states realized by conduction-band electron-spin states in quantum dots is discussed. A protocol for quantum teleportation of electron-spin states via cavity decay is briefly described. [DOI: 10.1380/ejssnt.2007.51]

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Available abstract

Generation and control of quantum entanglement are studied in an equivalent-neighbor system of spatially-separated semiconductor quantum dots coupled by a single-mode cavity field. Generation of genuinely multipartite entanglement of qubit states realized by conduction-band electron-spin states in quantum dots is discussed. A protocol for quantum teleportation of electron-spin states via cavity decay is briefly described. [DOI: 10.1380/ejssnt.2007.51]

Key concepts: Quantum teleportation, Quantum entanglement, Physics, Quantum mechanics, W state, Superdense coding, Qubit, Quantum technology

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