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Proceedings Paper

Surface plasmon strengthened nonlinearity in indium-tin-oxide coated Cu-doped potassium sodium barium strontium niobate crystals
Author(s): Hua Zhao; Liang Li; Guangwei Hu; Jingwen Zhang
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Paper Abstract

Employing fast response, Cu-doped (K0.5Na0.5)0.2(Sr0.75 Ba0.25)0.9Nb2O6 (KNSBN) crystals in modifying ITO coating to support visible surface plasmon polaritons (SPPs) to strengthen nonlinearity in KNSBN, we found: (1) a 2 dimensional diffraction pattern was observed with only two writing beams; (2) The reflectivity on the very first surface was changed 2.3%, equivalent to 0.023 refractive index change; (3) 3.0% energy transferring to the reflection on the first surface was measured, resulting unambiguously from energy transferring in subwavelength scale. All these results are consist with our theoretical consideration based on phase grating mediation SPP excitation, which is promising in designing photonic devices.

Paper Details

Date Published: 28 August 2015
PDF: 6 pages
Proc. SPIE 9547, Plasmonics: Metallic Nanostructures and Their Optical Properties XIII, 95470P (28 August 2015); doi: 10.1117/12.2187192
Show Author Affiliations
Hua Zhao, Harbin Institute of Technology (China)
Key Lab. of Micro-Optics and Photonics Technology (China)
Liang Li, Harbin Institute of Technology (China)
Key Lab. of Micro-Optics and Photonics Technology (China)
Guangwei Hu, Harbin Institute of Technology (China)
Key Lab. of Micro-Optics and Photonics Technology (China)
Jingwen Zhang, Harbin Institute of Technology (China)
Key Lab. of Micro-Optics and Photonics Technology (China)


Published in SPIE Proceedings Vol. 9547:
Plasmonics: Metallic Nanostructures and Their Optical Properties XIII
Allan D. Boardman; Din Ping Tsai, Editor(s)

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