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6 September 2017 Design of dielectric to plasmonic waveguide power transfer couplers
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Efficient directional couplers composed by parallel dielectric and metallic waveguides have been analyzed in details. The results show that an efficient power conversion of optical dielectric modes to long range plasmonic ones is possible in such devices. Low insertion losses in conjunction with short coupling length as well as a broadband operation can be obtained under certain conditions. This kind of couplers has potential applications for the design of photonic integrated circuits and for signal routing between dielectric and plasmonic waveguides.
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Emanuela Paranhos Lima, V. F. Rodriguez-Esquerre, C. E. Rubio Mercedes, and A. Dourado-Sisnando "Design of dielectric to plasmonic waveguide power transfer couplers", Proc. SPIE 10346, Plasmonics: Design, Materials, Fabrication, Characterization, and Applications XV, 103462P (6 September 2017); doi: 10.1117/12.2273733;

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