Published January 1, 2014
| Version v1
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Highly polarized light emission by isotropic quantum dots integrated with magnetically aligned segmented nanowires
Creators
- 1. Samsung Elect Co, Inorgan Mat Lab, Mat Res Ctr, Samsung Adv Inst Technol, Suwon 443803, Gyeonggi Do, South Korea
Description
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. (C) 2014 AIP Publishing LLC.
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