Journal
APPLIED PHYSICS LETTERS
Volume 94, Issue 1, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3055602
Keywords
diffraction gratings; elemental semiconductors; integrated optics; nanostructured materials; photonic crystals; plasmonics; silicon
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Funding
- MARCO Interconnect Focus Center
- NDSEG
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Plasmonic gratings of different periodicities are fabricated on top of silicon nanocrystals embedded in silicon dioxide. Total enhancements of up to 2 were observed, which matches the value from simulations. Plasmonic enhancements are observed for the first three orders of the plasmonic modes, with the peak enhancement wavelength varying with the periodicity. Biharmonic gratings are also fabricated to extract the enhanced emission from the first order plasmonic mode, resulting in enhancements with quality factors of up to 16.
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