| Authors: | P. Bienstman, S. Assefa, S.G. Johnson, J.D. Joannopoulos, G. Petrich, L. Kolodziejski | | Title: | Taper structures for coupling into photonic crystal slab waveguides | | Format: | International Journal | | Publication date: | 9/2003 | | Journal/Conference/Book: | JOSA B
| | Volume(Issue): | 20(9) p.1817-1821 | | DOI: | 10.1364/josab.20.001817 | | Citations: | 72 (Dimensions.ai - last update: 21/4/2024)
50 (OpenCitations - last update: 3/5/2024)
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Abstract
We present an adiabatic taper design in three dimensions (3D) for coupling light into photonic crystal defect waveguides in a square lattice of circular dielectric rods. The taper is a two-stage structure, whereby the first stage makes the transition from a dielectric waveguide to a coupled-cavity waveguide. The second stage subsequently transforms the waveguide mode from an index-guided mode to a band-gap guided mode. We discuss differences between the two dimensional (2D) device and its three dimensional (3D) slab version. Related Research Topics
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