ANALYTIC DESIGN OF AN ACHROMATIC DOUBLE GRATING COUPLER

被引：4

作者：

AMITAI, Y

GOODMAN, JW

机构：

[1] Information Systems Laboratory, Department of Electrical Engineering, Stanford University, Stanford, CA

来源：

APPLIED OPTICS | 1991年 / 30卷 / 21期

关键词：

ACHROMATIZATION; INTEGRATED OPTICS; GRATING COUPLERS; HOLOGRAPHY;

D O I：

10.1364/AO.30.002970

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A method for designing a double grating for coupling a polychromatic wave out of a waveguide with negligible angular dispersion is presented. It is based on calculating analytically two different grating functions, such that the chromatic dispersion of the first grating function is compensated by the second grating function. It is shown that the usuable wavelength range can be increased by more than 2 orders of magnitude relative to conventional grating couplers for typical angular tolerance.

引用

页码：2970 / 2974

页数：5

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