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Title: | Multipartite polariton entanglement in semiconductor microcavities | Authors: | Liew, Timothy Chi Hin Savona, V. |
Keywords: | Polaritons Semiconductor microcavities |
Issue Date: | 2011 | Source: | Liew, T. C. H., & Savona, V. (2011). Multipartite polariton entanglement in semiconductor microcavities. Physical Review A, 84(3), 032301-. | Series/Report no.: | Physical Review A | Abstract: | We study the entanglement of multiple polariton modes, which results in continuous variable cluster states suitable for quantum computation. Schemes are based on parametric scattering between spin-polarized lower and upper polariton branches in planar microcavities or spin-polarized orbital angular momentum states in mesa structures. Such systems are modeled by numerical solution of truncated density matrices and compared to the solution of the Heisenberg equations for the set of field correlators up to third order. Four-body entanglement is evidenced by violation of the van Loock–Furusawa quadripartite inequalities. We show that the entanglement is able to withstand a realistic strength of pure dephasing present in typical systems. | URI: | https://hdl.handle.net/10356/85911 http://hdl.handle.net/10220/43893 |
ISSN: | 1050-2947 | DOI: | 10.1103/PhysRevA.84.032301 | Schools: | School of Physical and Mathematical Sciences | Rights: | © 2011 American Physical Society. This paper was published in Physical Review A and is made available as an electronic reprint (preprint) with permission of American Physical Society. The published version is available at: [http://dx.doi.org/10.1103/PhysRevA.84.032301]. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law. | Fulltext Permission: | open | Fulltext Availability: | With Fulltext |
Appears in Collections: | SPMS Journal Articles |
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Multipartite polariton entanglement in semiconductor microcavities.pdf | 252.87 kB | Adobe PDF | View/Open |
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