Journal
APPLIED PHYSICS LETTERS
Volume 95, Issue 1, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3168653
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Funding
- Swedish Foundation for Strategic Research
- Swedish Research Council
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A high efficiency surface plasmonic coupler composed of a tapered silicon strip waveguide and a subwavelength scale metal gap waveguide is experimentally demonstrated. By tuning the parameters of the taper and the metal gap, the theoretical coupling efficiencies can be as high as 88% for a wide wavelength range. A silicon-gold plasmonic coupler is then fabricated, demonstrating 35% coupling efficiency per facet. Our experimental demonstration is a crucial step for hybrid integration of plasmonic components with conventional dielectric components. (C) 2009 American Institute of Physics. [DOI: 10.1063/1.3168653]
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