Guided modes and loss in Bragg fibres

被引：60

作者：

Argyros, A

机构：

[1] Univ Sydney, Australian Photon Cooperat Res Ctr, Opt Fibre Technol Ctr, Natl Innovat Ctr 206, Eveleigh, NSW 1430, Australia

[2] Univ Sydney, Sch Phys, Sydney, NSW 2006, Australia

来源：

OPTICS EXPRESS | 2002年 / 10卷 / 24期

关键词：

D O I：

10.1364/OE.10.001411

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

In this paper we investigate Bragg fibres and compare calculations on the exact fibre structures with calculations based on band diagrams and a simplified model involving multilayers. We show how the number of layers and the core size affect the wavelengths guided, the loss and the effective singlemodedness. An approximate relation between the real and imaginary parts of the effective mode indices is derived. The general design considered has a TE mode as the least lossy mode providing effectively single polarisation non-degenerate mode guidance. (C) 2002 Optical Society of America.

引用

页码：1411 / 1417

页数：7

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