Surface plasmon beam splitting by the photon tunneling through the plasmonic nanogap

Seung Yeol Lee; Junghyun Park; Inchul Woo; Namkyoo Park; Byoungho Lee

doi:10.1063/1.3496012

Surface plasmon beam splitting by the photon tunneling through the plasmonic nanogap

Seung Yeol Lee, Junghyun Park, Inchul Woo, Namkyoo Park, Byoungho Lee

School of Electronics Engineering

Seoul National University

Research output: Contribution to journal › Article › peer-review

20 Scopus citations

Abstract

A compact device that splits a surface plasmon beam by using double triangular prisms coated on a metal surface is proposed. Due to the photon tunneling effect of the evanescent plasmon mode between the two plasmonic prisms, the incident plasmon beam from one plasmonic prism can be partially transmitted to the other, resulting in the splitting of the plasmon beam. Theoretical study and simulation results for the power dividing ratio of the device are in good agreement with the experimental demonstration. It is believed that the results show their great potential for the realization of the plasmonic interferometer system.

Original language	English
Article number	133113
Journal	Applied Physics Letters
Volume	97
Issue number	13
DOIs	https://doi.org/10.1063/1.3496012
State	Published - 27 Sep 2010

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abstract = "A compact device that splits a surface plasmon beam by using double triangular prisms coated on a metal surface is proposed. Due to the photon tunneling effect of the evanescent plasmon mode between the two plasmonic prisms, the incident plasmon beam from one plasmonic prism can be partially transmitted to the other, resulting in the splitting of the plasmon beam. Theoretical study and simulation results for the power dividing ratio of the device are in good agreement with the experimental demonstration. It is believed that the results show their great potential for the realization of the plasmonic interferometer system.",

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AU - Park, Junghyun

AU - Woo, Inchul

AU - Park, Namkyoo

AU - Lee, Byoungho

PY - 2010/9/27

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AB - A compact device that splits a surface plasmon beam by using double triangular prisms coated on a metal surface is proposed. Due to the photon tunneling effect of the evanescent plasmon mode between the two plasmonic prisms, the incident plasmon beam from one plasmonic prism can be partially transmitted to the other, resulting in the splitting of the plasmon beam. Theoretical study and simulation results for the power dividing ratio of the device are in good agreement with the experimental demonstration. It is believed that the results show their great potential for the realization of the plasmonic interferometer system.

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Surface plasmon beam splitting by the photon tunneling through the plasmonic nanogap

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