Bloch mode coupling investigation in silicon-on-insulator W1 photonic crystal waveguide

被引：0

作者：

Cluzel, B ^{[1
]}

Gérard, D ^{[1
]}

Picard, E ^{[1
]}

Charvolin, T ^{[1
]}

Calvo, V ^{[1
]}

Hadji, E ^{[1
]}

de Fornel, F ^{[1
]}

机构：

[1] CEA, Dept Rech Fondamentale Mat Condensee, Serv Phys Mat & Microstruct, Lab Silicium Nanoelect Photon & Struct, F-38054 Grenoble, France

来源：

PHOTONIC CRYSTAL MATERIALS AND NANOSTRUCTURES | 2004年 / 5450卷

关键词：

photonic crystal waveguide; photonic bandgap material; Bloch mode; silicon-onInsulator; scanning near-field optical microscopy;

D O I：

10.1117/12.545735

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

We report in this paper the study of a W1 photonic crystal waveguide which supports two Bloch modes having different parity. A monomode ridge waveguide etched in a Silicon-On-Insulator substrate and connecting to the photonic crystal waveguide allows us to excite the even Bloch mode. Transmission measurements, performed on a broad spectral range, evidence the even mode propagation along the defect line and experimental spectrum is discussed in light of band diagram and FDTD calculations. Then spectrally resolved near-field patterns obtained by using a scanning near field optical microscope in collection mode for wavelengths inside and outside the multimode region of the photonic crystal waveguide clearly demonstrate the even mode parity change along the defect line.

引用

收藏

页码：344 / 352

页数：9

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