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Integrated Plasmon and Dielectric Waveguides

Research Area: Nanophotonics Year: 2004
Type of Publication: Article Keywords: surface plasmon, couping, ultracompact, integrated photonics
Authors: Hochberg, Michael; Baehr-Jones, Tom; Walker, Chris; Scherer, Axel
Journal: Optics Express Volume: 12
Number: 22 Pages: 5481-5476
Month: November
Abstract:
We have designed, fabricated and characterized surface plasmon waveguides for near infrared light in the telecommunications spectrum. These waveguides exhibit losses of -1.2dB/µm and can guide light around 0.5 µm bends. Light can also be efficiently coupled between more conventional silicon waveguides and these plasmon waveguides with compact couplers, and we demonstrate that surface plasmon optical devices can be constructed by using planar circuit fabrication techniques. The large optical field enhancements of metallic surface plasmon devices are expected to lead to a new class of plasmonic optical devices, which will take advantage of the large field enhancements at the surfaces of the plasmon waveguides for nonlinear or sensing functionality, while utilizing the low losses available in silicon waveguides to move light longer distances on chip.
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