Matching surface plasmon modes in symmetry-broken structures for nanohole-based color filter

Yun Seon Do; Kyung Cheol Choi

doi:10.1109/LPT.2013.2288274

Matching surface plasmon modes in symmetry-broken structures for nanohole-based color filter

Yun Seon Do, Kyung Cheol Choi

School of Electronics Engineering

Korea Advanced Institute of Science and Technology

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

13 Scopus citations

Abstract

Metallic nanoholes have been highlighted by their possible use as plasmonic color filters (PCFs). However, previous results have demonstrated the functions of the PCFs as stand-alone components and have provided few explanations about the optimization of these structures. We provide a design method of the PCFs that offers unique analytic insights about extraordinary optical transmission (EOT) in a systematic manner. The dielectric environment in the cylindrical hole has an important role to match the surface plasmon (SP) modes in holes and subsequently to enhance the EOT. Efficient EOT was achieved with finite dimensions less than the penetration depth of the SPs. This letter will provide more realistic guidelines for designing nanohole-based applications.

Original language	English
Article number	6655972
Pages (from-to)	2454-2457
Number of pages	4
Journal	IEEE Photonics Technology Letters
Volume	25
Issue number	24
DOIs	https://doi.org/10.1109/LPT.2013.2288274
State	Published - 15 Dec 2013

Keywords

Extraordinary optical transmission
nanohole array
plasmonic color filter
surface plasmon

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10.1109/LPT.2013.2288274

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abstract = "Metallic nanoholes have been highlighted by their possible use as plasmonic color filters (PCFs). However, previous results have demonstrated the functions of the PCFs as stand-alone components and have provided few explanations about the optimization of these structures. We provide a design method of the PCFs that offers unique analytic insights about extraordinary optical transmission (EOT) in a systematic manner. The dielectric environment in the cylindrical hole has an important role to match the surface plasmon (SP) modes in holes and subsequently to enhance the EOT. Efficient EOT was achieved with finite dimensions less than the penetration depth of the SPs. This letter will provide more realistic guidelines for designing nanohole-based applications.",

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AB - Metallic nanoholes have been highlighted by their possible use as plasmonic color filters (PCFs). However, previous results have demonstrated the functions of the PCFs as stand-alone components and have provided few explanations about the optimization of these structures. We provide a design method of the PCFs that offers unique analytic insights about extraordinary optical transmission (EOT) in a systematic manner. The dielectric environment in the cylindrical hole has an important role to match the surface plasmon (SP) modes in holes and subsequently to enhance the EOT. Efficient EOT was achieved with finite dimensions less than the penetration depth of the SPs. This letter will provide more realistic guidelines for designing nanohole-based applications.

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Matching surface plasmon modes in symmetry-broken structures for nanohole-based color filter

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