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Enhanced third harmonic generation by organic materials on high-Q plasmonic photonic crystals

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https://ir.library.oregonstate.edu/concern/articles/sf268672k

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Abstract
  • The enhanced optical nonlinearity enabled by localized plasmonic fields has been well studied for all-optical switching processing (AOSP) devices for future optical communication systems. In this work, plasmonic photonic crystals with a nonlinear polycarbonate/polymethine blend cladding layer are designed to enhance the third harmonic generation (THG) at the telecom wavelengths (~1550 nm). Due to the presence of he two-dimensional (2-D) gold nano-patch arrays with improved Q-factor and high local fields, more than 20 × of enhanced THG signals in the hybrid organic-plasmonic nanostructure are experimentally observed. The enhanced THG in the hybrid organic-plasmonic materials suggested that such extraordinary nonlinear effects can be used for AOSP devices and wavelength conversion.
  • This is the publisher’s final pdf. The published article is copyrighted by the Optical Society of America and can be found at: http://www.opticsinfobase.org/oe/home.cfm.
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  • Ren, F., Wang, X., Li, Z. A., Luo, J., Jang, S. H., Jen, A. K. Y., & Wang, A. X. (2014). Enhanced third harmonic generation by organic materials on high-Q plasmonic photonic crystals. Optics Express, 22(17), 20292-20297. doi:10.1364/OE.22.020292
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  • 22
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  • 17
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  • A. X. Wang acknowledges support by the National Science Foundation under grant No.1342318. A. K-Y Jen thanks the AFOSR MURI (FA9550-10-1-0558) and the Boeing-Johnson Foundation for the support.
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