27 August 2010 Flexible Cu plasmonic waveguide for board-level optical interconnection
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Polymer-based flexible Cu stripe optical waveguides have been developed to configure a board-level optical interconnection. By embedding Cu stripe in a dual slab waveguide with high refractive-index contrast, the field of the guided mode is confined more in the two dielectric core layers. Thus, significant reduction of the propagation and vertical bending loss are expected. The fabricated Cu plasmonic waveguide is flexible enough to be bent down to a radius of 0.5 mm. The measured optical properties are satisfactory for very short distance board-level optical interconnection. Based on the experimental results, we concluded that hybrid Cu plasmonic waveguides have a great potential to be developed as a means of optical signal guiding medium in the optical interconnections.
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Jin Tae Kim, Jin Tae Kim, Suntak Park, Suntak Park, Min-su Kim, Min-su Kim, Seung Koo Park, Seung Koo Park, Jung Jin Ju, Jung Jin Ju, "Flexible Cu plasmonic waveguide for board-level optical interconnection", Proc. SPIE 7764, Nanoengineering: Fabrication, Properties, Optics, and Devices VII, 776405 (27 August 2010); doi: 10.1117/12.861857; https://doi.org/10.1117/12.861857

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