Novel, low-index waveguide as laser external cavity

Optics Express
Alexandre Horth, Nathaniel J Quitoriano

Abstract

Here we present a novel waveguide providing > 70% optical power confinement in a relatively small area, 0.12μm2, which could be used to fabricate quantum dot or other sub-wavelength-sized active regions, modulators or detectors on Si. This structure forms a novel, low-index waveguide which can be engineered to have properties similar to high-index or slot waveguides, showing that there is in fact a continuum between these two waveguides.

References

Jun 12, 1999·Science·O PainterI Kim
Jun 24, 2004·Optics Letters·Vilson R AlmeidaMichal Lipson
Oct 15, 2008·Optics Express·Jacob T RobinsonMichal Lipson
Oct 2, 2006·Optics Express·Alexander W FangJohn E Bowers

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