Browsing by Subject "Liquid-crystals"

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    Highly polarized light emission by isotropic quantum dots integrated with magnetically aligned segmented nanowires
    (American Institute of Physics, 2014) Uran, C.; Erdem, T.; Guzelturk, B.; Perkgöz, N. K.; Jun, S.; Jang, E.; Demir, Hilmi Volkan
    In this work, we demonstrate a proof-of-concept system for generating highly polarized light from colloidal quantum dots (QDs) coupled with magnetically aligned segmented Au/Ni/Au nanowires (NWs). Optical characterizations reveal that the optimized QD-NW coupled structures emit highly polarized light with an s-to p-polarization (s/p) contrast as high as 15: 1 corresponding to a degree of polarization of 0.88. These experimental results are supported by the finite-difference time-domain simulations, which demonstrate the interplay between the inter-NW distance and the degree of polarization.