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Jun, Young Chul
Laboratory of Nanophotonics & Metamaterials (NanoMeta)
Research Interests
  • Nanophotonics, plasmonics, metamaterials, 4D printing, programmable matter, smart materials

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Plasmon-enhanced emission from optically-doped MOS light sources

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Title
Plasmon-enhanced emission from optically-doped MOS light sources
Author
Hryciw, Aaron C.Jun, Young ChulBrongersma, Mark L.
Keywords
SILICON NANOCRYSTALS; DEVICES; ELECTROLUMINESCENCE; FILMS
Issue Date
2009-01
Publisher
OPTICAL SOC AMER
Citation
OPTICS EXPRESS, v.17, no.1, pp.185 - 192
Abstract
We evaluate the spontaneous emission rate (Purcell) enhancement for optically-doped metal-dielectric-semiconductor light-emitting structures by considering the behavior of a semiclassical oscillating point dipole placed within the dielectric layer. For a Ag-SiO2-Si structure containing emitters at the center of a 20-nm-thick SiO2 layer, spontaneous emission rate enhancements of 40 to 60 can be reached in the wavelength range of 600 to 1800 nm, far away from the surface plasmon resonance; similar enhancements are also possible if Al is used instead of Ag. For dipoles contained in the thin oxide layer of a Ag-SiO2-Si-SiO2 structure, the emission exhibits strong preferential coupling to a single well-defined Si waveguide mode. This work suggests a means of designing a new class of power-efficient, high-modulation-speed, CMOS-compatible optical sources that take full advantage of the excellent electrical properties and plasmon-enhanced optical properties afforded by MOS devices. (C) 2008 Optical Society of Americ
URI
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DOI
10.1364/OE.17.000185
ISSN
1094-4087
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