论文信息 - Surface plasmon polariton modified emission of erbium in a metallodielectric grating

Surface plasmon polariton modified emission of erbium in a metallodielectric grating

The spectral shape and bandwidth of the emission of Er3+ ions in silica glass around 1.5 μm is strongly modified by the presence of a silver grating. The metallodielectric grating was made by a sequence of ion implantation in silica glass, dry etching, and silver sputter deposition. Spectral enhancements are observed that are attributed to near-field coupling of Er3+ ions to surface plasmon polaritons that subsequently reradiate at well-defined resonance conditions. Qualitative agreement is observed between these resonance conditions and calculations based on the surface plasmon polariton dispersion relation.

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