Varied line-space grating for flat spectral response of coupling to single-mode fiber

被引：5

作者：

Huang, X-P. ^{[1
]}

Spuler, Scott M. ^{[1
]}

Sappey, Andrew D. ^{[1
]}

机构：

[1] Zolo Technol Inc, Boulder, CO 80301 USA

来源：

APPLIED OPTICS | 2007年 / 46卷 / 02期

关键词：

D O I：

10.1364/AO.46.000147

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We use a planar linear grating with varied line-space grooves to introduce a tailored one-dimensional phase variation profile that results in an aberrated point-spread function at the focal plane. A design procedure for the period chirp map for such gratings is developed. As an example, we present theoretical and experimental results on a mechanically ruled, varied line-space echelle grating in single-mode fiber-coupled optical multiplexers in the wavelength region of 1545 nm. The varied line-space grating changes the multiplexer's Gaussian spectral response function to a flat-top dependence with reduced sensitivity to source laser wavelength drift. (c) 2007 Optical Society of America.

引用

页码：147 / 153

页数：7

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