Diffraction efficiency and guided light control by two-dimensional photonic-bandgap lattices

被引：38

作者：

Labilloy, D ^{[1
]}

Benisty, H

Weisbuch, C

Krauss, TF

Cassagne, D

Jouanin, C

Houdré, R

Oesterle, U

Bardinal, V

机构：

[1] Ecole Polytech, Phys Mat Condensee Lab, F-91128 Palaiseau, France

[2] Univ Glasgow, Dept Elect & Elect Engn, Glasgow G12 8LT, Lanark, Scotland

[3] Univ Montpellier 2, Etud Semicond Grp, F-34095 Montpellier 05, France

[4] Ecole Polytech Fed Lausanne, Inst Micro & Optoelect, CH-1015 Lausanne, Switzerland

来源：

IEEE JOURNAL OF QUANTUM ELECTRONICS | 1999年 / 35卷 / 07期

关键词：

diffraction; luminescence; photonic crystals; radiation losses; scattering; semiconductor heterojunctions; spontaneous emission; waveguides;

D O I：

10.1109/3.772174

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We report on the measurement of the diffraction efficiency of two-dimensional photonic-bandgap lattices consisting of a triangular array of circular air holes etched in a semiconductor waveguide, We use the spontaneous emission of the material as an internal point source. Combined with previous reflectivity and transmission measurements, the diffraction data allow us to assess the total amount of out-of-plane losses experienced by a guided wave traversing the dielectric lattice, as a function of the lattice pitch, We found that these losses are particularly weak for some range of parameters, especially in the photonic bandgap of interest. We discuss the reasons why they can be substantial with other parameters.

引用

页码：1045 / 1052

页数：8

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