Compact tunable FIR dispersion compensator in SiON technology

被引：14

作者：

Horst, F ^{[1
]}

Germann, R ^{[1
]}

Bapst, U ^{[1
]}

Wiesmann, D ^{[1
]}

Offrein, BJ ^{[1
]}

Bona, GL ^{[1
]}

机构：

[1] IBM Corp, Zurich Res Lab, CH-8803 Ruschlikon, Switzerland

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2003年 / 15卷 / 11期

关键词：

dispersion; equalizer; silicon-oxynitride; SiON; tunable; waveguide;

D O I：

10.1109/LPT.2003.818671

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 present a tunable dispersion compensator, based on a sixth-order finite impulse response lattice filter. The filter has a free spectral range of 100 GHz and can be tuned for linear group delay slopes between -100 and 100 ps/nm with less than 1-ps ripple over a usable bandwidth of more than 60 GHz. Within this usable bandwidth, the average polarization-mode dispersion is low, reaching 2.4 ps only for extreme group delay slopes. The filter can also generate higher order group delay curves, for example for dispersion slope compensation.

引用

页码：1570 / 1572

页数：3

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