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Plasmonics in Nanoslit for Manipulation of Light

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7 Author(s)
Taerin Chung ; National Creative Research Center for Active Plasmonics Application Systems, Inter-University Semiconductor Research Center and School of Electrical Engineering, Seoul National University, Seoul, Korea ; Seung-Yeol Lee ; Hansik Yun ; Seong-Woo Cho
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A nanoslit is capable of performing versatile functions in nanophotonic applications. In this invited paper, we discuss the physics and manipulation methods of surface plasmon excitation such as directional switching at a nanoslit. Furthermore, enhancing the light intensity passing through a nanoslit by employing embedded metallic nanoislands is experimentally presented and numerically analyzed.

Numerical across-the-slit directional electric field distribution at the middle depth of the nanoslit for the case of one embedded metallic rectangular nanoisland centered at a nanoslit when illuminated by horizontally-polarized light.

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IEEE Access  (Volume:1 )
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