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Azimuthal spectrum after parametric down-convertion with radial degrees of freedom

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dc.contributor.author Zhang, Y
dc.contributor.author Roux, FS
dc.contributor.author McLaren, M
dc.contributor.author Forbes, A
dc.date.accessioned 2015-02-09T07:28:58Z
dc.date.available 2015-02-09T07:28:58Z
dc.date.issued 2014-08
dc.identifier.citation Zhang, Y, Roux, F.S, McLaren, M and Forbes, A. 2014. Azimuthal spectrum after parametric down-convertion with radial degrees of freedom. In: Proceedings of SPIE 9225, Quantum Communications and Quantum Imaging XII, San Diego, USA, 17 August 2014 en_US
dc.identifier.uri http://proceedings.spiedigitallibrary.org/proceeding.aspx?articleid=1916322
dc.identifier.uri http://hdl.handle.net/10204/7862
dc.description Proceedings of SPIE 9225, Quantum Communications and Quantum Imaging XII, San Diego, USA, 17 August 2014 en_US
dc.description.abstract Considering the quantum state produced in type I spontaneous parametric down-conversion with collinear, degenerate signal and idler beams, and a Gaussian pump, we show that the azimuthal Schmidt number in the Laguerre-Gaussian (LG) basis increases when the radial indices of the LG modes detected in the signal and idler beams are different. These observations are confirmed by the good agreement between theoretical and experimental results. The theoretical results are obtained by deriving expressions for the probability amplitude to detect LG modes with any combination of azimuthal and radial indices in a down-converted photonic quantum state. en_US
dc.language.iso en en_US
dc.publisher SPIE en_US
dc.relation.ispartofseries Workflow;14069
dc.subject Quantum optic en_US
dc.subject Quantum state engineering and measurements en_US
dc.subject Spontaneous parametric down-conversion en_US
dc.subject Optical angular momentum en_US
dc.subject Entanglement production and manipulation en_US
dc.title Azimuthal spectrum after parametric down-convertion with radial degrees of freedom en_US
dc.type Conference Presentation en_US
dc.identifier.apacitation Zhang, Y., Roux, F., McLaren, M., & Forbes, A. (2014). Azimuthal spectrum after parametric down-convertion with radial degrees of freedom. SPIE. http://hdl.handle.net/10204/7862 en_ZA
dc.identifier.chicagocitation Zhang, Y, FS Roux, M McLaren, and A Forbes. "Azimuthal spectrum after parametric down-convertion with radial degrees of freedom." (2014): http://hdl.handle.net/10204/7862 en_ZA
dc.identifier.vancouvercitation Zhang Y, Roux F, McLaren M, Forbes A, Azimuthal spectrum after parametric down-convertion with radial degrees of freedom; SPIE; 2014. http://hdl.handle.net/10204/7862 . en_ZA
dc.identifier.ris TY - Conference Presentation AU - Zhang, Y AU - Roux, FS AU - McLaren, M AU - Forbes, A AB - Considering the quantum state produced in type I spontaneous parametric down-conversion with collinear, degenerate signal and idler beams, and a Gaussian pump, we show that the azimuthal Schmidt number in the Laguerre-Gaussian (LG) basis increases when the radial indices of the LG modes detected in the signal and idler beams are different. These observations are confirmed by the good agreement between theoretical and experimental results. The theoretical results are obtained by deriving expressions for the probability amplitude to detect LG modes with any combination of azimuthal and radial indices in a down-converted photonic quantum state. DA - 2014-08 DB - ResearchSpace DP - CSIR KW - Quantum optic KW - Quantum state engineering and measurements KW - Spontaneous parametric down-conversion KW - Optical angular momentum KW - Entanglement production and manipulation LK - https://researchspace.csir.co.za PY - 2014 T1 - Azimuthal spectrum after parametric down-convertion with radial degrees of freedom TI - Azimuthal spectrum after parametric down-convertion with radial degrees of freedom UR - http://hdl.handle.net/10204/7862 ER - en_ZA


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