Abstract

The emission of erbium ions in silica glass around 1.55 μm is significant enhanced by the surface plasmon polaritons (SPPs). The coupling efficiency between the SPPs and the photons is calculated by the rigorous coupled-wave analysis. The external quantum efficiency (EQE) of the erbium-doped silica materials assisted by using the double metallic grating (DMG) could increase 2.45 times than that by using the single metallic grating (SMG).

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