Birefringence of guided modes in photonic wires: Gaussian-mode analysis

被引：10

作者：

Zheltikov, AM ^{[1
]}

机构：

[1] Moscow MV Lomonosov State Univ, Dept Phys, Ctr Int Laser, Moscow 119899, Russia

来源：

OPTICS COMMUNICATIONS | 2005年 / 252卷 / 1-3期

基金：

俄罗斯基础研究基金会;

关键词：

birefringence; fiber;

D O I：

10.1016/j.optcom.2005.04.016

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Optical fibers with subwavelength core sizes are shown to offer interesting possibilities for mode birefringence engineering. The Gaussian-mode approximation applied to the analysis of fiber birefringence reveals the existence of a physical limit of form birefringence in an optical fiber, controlled by the trade-off between diffraction and step-index confinement of electromagnetic field in a noncircular waveguiding channel. For fused silica waveguides, a maximum mode birefringence can be achieved in the case of subwavelength core sizes. (C) 2005 Elsevier B.V. All rights reserved.

引用

页码：78 / 83

页数：6

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