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We theoretically demonstrate a plasmonic nanosensor, using Au-nanowire waveguide to measure the refractive-index changes in aqueous solutions. Based on finite element method simulations, waveguiding properties of Au nanowires for plasmonic sensing in liquids are investigated, with Au nanowire diameter down to 10 nm. A plasmonic nanowire Mach–Zehnder interferometer is proposed to measure the phase...
We demonstrate the direct coupling of plasmonic and photonic nanowires via subwavelength-scale near-field interaction. Hybrid nanophotonic components, including splitters and micro-ring cavities, are fabricated out of coupled Ag and ZnO nanowires in a complementary scheme.
We demonstrate the evanescent coupling of light from a silica nanofiber into a silver nanowire to excite propagating plasmons in the silver nanowire. The plasmons can be transferred back to light at the other end of the silver nanowire. The polarization property of the output light is also investigated.
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