Coexistence of guided mode resonance and extraordinary optical transmission in metal/dielectric/metal photonic crystal slab

Neil Ou; Jia Hong Shyu; Huang Ming Lee; Jong-Ching Wu

doi:10.1116/1.3662406

Coexistence of guided mode resonance and extraordinary optical transmission in metal/dielectric/metal photonic crystal slab

Neil Ou, Jia Hong Shyu, Huang Ming Lee, Jong-Ching Wu

Department of Physics

Research output: Contribution to journal › Article

Abstract

This study examines the optical properties of metal-dielectric-metal (MDM) photonic crystal slabs (PCS) which consist of a 100-nm freestanding silicon nitride membrane that is sandwiched on either side by a 20-nm-thick gold film with an array of hexagonal tapered holes. It shows the extraordinary optical transmission phenomenon that is generated from the coupling of internal surface plasmon polaritons that are excited by dual gold layers. In addition, the presence of transmission dips can be attributed to the guided mode resonance of silicon nitride based PCS. Numerical calculation of photonic band structure confirms this attribution. This coexistence of extraordinary optical transmission and the guided mode resonance in MDM PCS may contribute to the development of multifunctional optical devices.

Original language	English
Article number	06FF05
Journal	Journal of Vacuum Science and Technology B:Nanotechnology and Microelectronics
Volume	29
Issue number	6
DOIs	https://doi.org/10.1116/1.3662406
Publication status	Published - 2011 Jan 1

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Instrumentation
Process Chemistry and Technology
Surfaces, Coatings and Films
Electrical and Electronic Engineering
Materials Chemistry

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abstract = "This study examines the optical properties of metal-dielectric-metal (MDM) photonic crystal slabs (PCS) which consist of a 100-nm freestanding silicon nitride membrane that is sandwiched on either side by a 20-nm-thick gold film with an array of hexagonal tapered holes. It shows the extraordinary optical transmission phenomenon that is generated from the coupling of internal surface plasmon polaritons that are excited by dual gold layers. In addition, the presence of transmission dips can be attributed to the guided mode resonance of silicon nitride based PCS. Numerical calculation of photonic band structure confirms this attribution. This coexistence of extraordinary optical transmission and the guided mode resonance in MDM PCS may contribute to the development of multifunctional optical devices.",

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