Super long-range surface plasmon polaritons in a silver nano-slab waveguide

Mai Higuchi; Masashi Miyata; Junichi Takahara

doi:10.1117/12.2061744

17 August 2014 Super long-range surface plasmon polaritons in a silver nano-slab waveguide

Mai Higuchi, Masashi Miyata, Junichi Takahara

Proceedings Volume 9163, Plasmonics: Metallic Nanostructures and Their Optical Properties XII; 91632V (2014) https://doi.org/10.1117/12.2061744
Event: SPIE NanoScience + Engineering, 2014, San Diego, California, United States

Abstract

Long-range surface plasmon polariton (LRSP) with lower attenuation and longer propagation length than conventional surface plasmon polariton (SPP) on a single interface has been studied as new elements for integrated optical circuits. LRSP exhibits on a metal film bounded by dielectric and can be expected to edge closer to practical use due to the long propagation length. It is theoretically predicted that the propagation length of LRSP greatly increases as the lateral width of a metal film decreases. Such mode propagating in a metal slab waveguide with extremely long propagation length is named “super LRSP”. Here, we fabricate silver slab waveguide and observe the tendency of propagation properties of super LRSP.

Citation Download Citation

Mai Higuchi, Masashi Miyata, and Junichi Takahara "Super long-range surface plasmon polaritons in a silver nano-slab waveguide", Proc. SPIE 9163, Plasmonics: Metallic Nanostructures and Their Optical Properties XII, 91632V (17 August 2014); https://doi.org/10.1117/12.2061744

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