FIELD ANALYSIS OF 2-DIMENSIONAL FOCUSING GRATING COUPLERS

被引：10

作者：

BORSBOOM, PP

FRANKENA, HJ

机构：

[1] Research Group for Optics, Faculty of Applied Physics, Delft University of Technology, Delft, 2628 CJ

[2] Rutherford Appleton Laboratory, Chilton, Didcot, Oxfordshire

来源：

JOURNAL OF THE OPTICAL SOCIETY OF AMERICA A-OPTICS IMAGE SCIENCE AND VISION | 1995年 / 12卷 / 05期

关键词：

D O I：

10.1364/JOSAA.12.001142

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The method that we have developed [P-P. Borsboom, Ph.D. dissertation (Delft University of Technology, Delft, The Netherlands); P-P. Borsboom and H. J. Frankena, J. Opt. Sec. Am. A 12, 1134-1141 (1995)] is successfully applied to a two-dimensional focusing grating coupler. The field in the focal region has been determined for symmetrical chirped gratings consisting of as many as 124 corrugations. The intensity distribution in the focal region agrees well with the approximate predictions of geometrical optics. In the case of short focusing grating couplers high-frequency intensity variations are observed in the focal region.

引用

页码：1142 / 1146

页数：5

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