Taper structures for coupling into photonic crystal slab waveguides

被引：72

作者：

Bienstman, P

Assefa, S

Johnson, SG

Joannopoulos, JD

Petrich, GS

Kolodziejski, LA

机构：

[1] State Univ Ghent, Interuniv Microelect Ctr, B-9000 Ghent, Belgium

[2] MIT, Dept Elect Engn & Comp Sci, Cambridge, MA 02139 USA

[3] MIT, Dept Phys, Cambridge, MA 02139 USA

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS | 2003年 / 20卷 / 09期

关键词：

D O I：

10.1364/JOSAB.20.001817

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present an adiabatic taper design in three dimensions for coupling light into photonic crystal defect waveguides in a square lattice of circular dielectric rods. The taper is a two-stage structure in which 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 device and its three-dimensional slab version. (C) 2003 Optical Society of America.

引用

页码：1817 / 1821

页数：5

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