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Proceedings Paper

Broadband infrared light emitting waveguides based on UV curable PbS quantum dot composites
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Paper Abstract

We present herein the active PbS-photopolymer waveguide fabricated by vacuum assisted microfluidic (VAM) soft lithography technique. The PbS Quantum Dots (QDs) were synthesized using colloidal chemistry methods with tunable sizes and emission wavelengths, resulting in efficient light emission around 1000 nm center wavelength. The PbS QDs have demonstrated much better solubility in our newly synthesized UV curable polymer than SU-8 photoresist, verified by Photoluminescence (PL) testing. Through refractive index control, the PbS QDs-polymer core material and polymer cladding material can efficiently confine the infrared emitting light with a broad spectral bandwidth of ~180 nm. Both single-mode and multi-mode light emitting waveguides have been realized.

Paper Details

Date Published: 22 February 2018
PDF: 8 pages
Proc. SPIE 10538, Optical Interconnects XVIII, 105380L (22 February 2018); doi: 10.1117/12.2287464
Show Author Affiliations
Kai Shen, Univ. of Miami (United States)
Sarfaraz Baig, Univ. of Miami (United States)
Guomin Jiang, Univ. of Miami (United States)
Young-hun Paik, Univ of Miami (United States)
Sung Jin Kim, Univ. of Miami (United States)
Michael R. Wang, Univ. of Miami (United States)

Published in SPIE Proceedings Vol. 10538:
Optical Interconnects XVIII
Henning Schröder; Ray T. Chen, Editor(s)

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