Topology-optimized and dispersion-tailored photonic crystal slow-light devices

被引：2

作者：

Frandsen, Lars H.

Lavrinenko, Andrei

Borel, Peter I.

Fage-Pedersen, Jacob

Harpoth, Anders

Sigmund, Ole

Jensen, Jacob S.

Kristensen, Martin

Tetu, Amelie

Niemi, Tapio

机构：

来源：

PASSIVE COMPONENTS AND FIBER-BASED DEVICES IV, PTS 1 AND 2 | 2007年 / 6781卷

关键词：

photonic crystal waveguides; topology optimization; dispersion; slow-light; demultiplexing; bends; splitters;

D O I：

10.1117/12.741068

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We review our work done for topology optimization of passive photonic crystal component parts for broadband and wavelength dependent operations. We show examples of low-loss topology-optimized bends and splitters optimized for broadband transmission and demonstrate the applicability of topology optimization for designing slow-light and/or wavelength selective component parts. We also present how the dispersion of light in the slow-light regime of photonic crystal waveguides can be tailored to obtain filter functionalities in passive devices and/or to obtain semi-slow light having a group velocity in the range similar to(c(0)/15 - c(0)/100); vanishing, positive, or negative group velocity dispersion (GVD); and low-loss propagation in a practical similar to 5-15 nm bandwidth.

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页数：11

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