Dispersion blue-shift in an aperiodic Bragg reflection waveguide

被引：10

作者：

Fesenko, Volodymyr I. ^{[1
]}

Tuz, Vladimir R. ^{[1
]}

机构：

[1] Natl Acad Sci Ukraine, Inst Radio Astron, 4 Chervonopraporna St, UA-61002 Kharkov, Ukraine

来源：

OPTICS COMMUNICATIONS | 2016年 / 365卷

关键词：

Photonic crystals; Bragg reflection waveguide; Aperiodic structure; Dispersion characteristics; FIBONACCI STRUCTURE; LOCALIZATION; MODES;

D O I：

10.1016/j.optcom.2015.12.016

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A particular feature of an aperiodic design of cladding of Bragg reflection waveguides to demonstrate a dispersion blue-shift is elucidated. It is made on the basis of a comparative study of dispersion characteristics of both periodic and aperiodic configurations of Bragg mirrors in the waveguide system, wherein for the aperiodic configuration three procedures for layers alternating, namely Fibonacci, ThueMorse and Kolakoski substitutional rules are considered. It was found out that, in a Bragg reflection waveguide with any considered aperiodic cladding, dispersion curves of guided modes appear to be shifted to shorter wavelengths compared to the periodic configuration regardless of the modes polarization. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：225 / 230

页数：6

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