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26 August 2010Organic two-dimensional chromophores as media for tunable
absorption of entangled photon pairs
Organic conjugated nonlinear optical (NLO) macromolecules have been shown to successfully absorb and detect
entangled photons generated by the process of spontaneous parametric down-conversion (SPDC). Entangled photon
pairs produced by SPDC are used in our laboratory to investigate entangled two-photon absorption (ETPA) at extremely
low excitation fluxes in these materials. In this proceeding we show that with novel 2-D multi-annulene macromolecules
we are able to demonstrate a strong ETPA cross-section which is also sensitive to the spatial orientation of the SPDC
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Alica R. Guzman, Michael R. Harpham, Ozgun Suzer, Theodore G. Goodson III, "Organic two-dimensional chromophores as media for tunable absorption of entangled photon pairs," Proc. SPIE 7774, Linear and Nonlinear Optics of Organic Materials X, 777412 (26 August 2010);