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7 March 2014 Surface-plasmon-enhanced third-order harmonic generation of organic materials
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We design and fabricate metallic photonic crystals that are integrated with highly-efficient third-order nonlinear polymers. Compared with nanoparticle-doped composite materials, metallic photonic crystals are favorable due to the presence of Bragg-grating-modulated surface plasmon polaritons (SPPs) with strong light localization in large spatial volumes to uniformly enhance the harmonic signals. We experimentally observed extraordinary emission of THG signals from the surface-plasmon-enhanced organic thin film using telecommunication wavelength pulsed laser. This hybrid organic-plasmonic nanostructure opens a new avenue to develop innovative nonlinear optical devices.
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Fanghui Ren, Xiangyu Wang, Zhong-An Li, Jingdong Luo, Sei-Hum Jang, Alex K.- Y. Jen, and Alan X. Wang "Surface-plasmon-enhanced third-order harmonic generation of organic materials", Proc. SPIE 8983, Organic Photonic Materials and Devices XVI, 898305 (7 March 2014);

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