Journal Article10.1088/1361-648X/AAF8E5
Angular dependent strong coupling between localized waveguide resonance and surface plasmon resonance in complementary metamaterials.
TL;DR: Direct evidence of both surface plasmon resonance and localized waveguide resonance contribution to the extraordinary optical transmission in complementary metamaterials is given and a novel route to control light-metamaterial interaction by angular modulation for on-chip slow light devices is provided.
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Abstract: We give direct evidence of both surface plasmon resonance (SPR) and localized waveguide resonance (LWR) contribution to the extraordinary optical transmission in complementary metamaterials. Strong coupling between SPR and LWR are also observed with clear evidence of Rabi splitting and anti-crossing phenomena. The splitting introduces sharp phase shift, which in turn enhances group velocity delay by the incident angle without geometric parameter change. The results not only clarify SPR and LWR effects in the extraordinary optical transmission, but also provide a novel route to control light-metamaterial interaction by angular modulation for on-chip slow light devices.
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