Optical propagation modified by Cu nanoparticle grating fabricated by heavy ion implantation |
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Authors: | Haisong Wang N. Kishimoto |
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Affiliation: | Quantum Beam Center, National Institute for Material Science (NIMS), 3-13 Sakura, Ibaraki 305-0003, Japan |
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Abstract: | The optical propagation property of a planar waveguide with a periodic nanoparticle grating layer is characterized by using sliding prism method. Here, Cu nanoparticle grating was fabricated on a-SiO2 substrate by periodic heavy-ion irradiation technique. The pitch of these gratings was 2 μm and 3 μm, respectively. The flux and fluence were at the range of 6-10 μA/cm2 and 6 × 1016-1 × 1017 ions/cm2, respectively. The grating effect, mainly including the mode selection effect, is observed. The effect depends on the pitch of the grating and the morphology of nanoparticles. The propagation loss of the waveguide induced by nanoparticle layer is evaluated. |
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Keywords: | Ion implantation Metal nanoparticle Grating Waveguide |
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