Cavity-mediated interactions between the guided mode resonance and surface phonon polaritons in a hybrid photonic-phononic system

A strong mode coupling between the guided mode resonance (GMR) and surface phonon polaritons (SPhPs) is numerically demonstrated. The photonic-phononic mode coupling can be mediated by a homogeneous spacer which works as a Fabry-Pérot (FP) cavity, and its strength, manifested by mode splitting and b...

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Published inApplied physics express Vol. 11; no. 8; pp. 82001 - 82004
Main Authors Zheng, Gaige, Zou, Xiujuan, Xian, Fenglin, Xu, Linhua
Format Journal Article
LanguageEnglish
Published The Japan Society of Applied Physics 01.08.2018
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Summary:A strong mode coupling between the guided mode resonance (GMR) and surface phonon polaritons (SPhPs) is numerically demonstrated. The photonic-phononic mode coupling can be mediated by a homogeneous spacer which works as a Fabry-Pérot (FP) cavity, and its strength, manifested by mode splitting and bending of dispersion curves, can be tuned flexibly by adjusting the thickness of the FP cavity. This mode-coupling effect can be used to control the near-field localization sites in this hybrid structure, which provide useful implications for manipulating infrared electromagnetic near fields in nanophotonics devices.
ISSN:1882-0778
1882-0786
DOI:10.7567/APEX.11.082001