Connection loss reduction in variable optical delay line by using graded-index type photonic crystal fiber

被引：4

作者：

Higuchi, Keiichi ^{[1
]}

Yokota, Hirohisa ^{[1
]}

Yoneya, Kazuki ^{[1
]}

Imai, Yoh ^{[1
]}

机构：

[1] Ibaraki Univ, Grad Sch Sci & Engn, 4-12-1 Nakanarusawa, Hitachi, Ibaraki 3168511, Japan

来源：

IEEJ TRANSACTIONS ON ELECTRICAL AND ELECTRONIC ENGINEERING | 2018年 / 13卷 / 05期

基金：

日本学术振兴会;

关键词：

graded-index type photonic crystal fiber; low loss butt-joint connection; periodic beam propagation; optical fiber device;

D O I：

10.1002/tee.22624

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：

A low-loss butt-joint connection method between photonic crystal fibers (PCFs) by using a graded-index type photonic crystal fiber (GI-PCF) is proposed. The GI-PCF, in which the diameter of the air holes is chosen in a parabolic distribution in the effective refractive index, is analyzed numerically by a beam propagation method. It is found that the mode extent in the GI-PCF varies periodically along the propagation direction when the LP01 mode of the PCF is launched into the GI-PCF. This characteristic is successfully applied to reduce the butt-joint connection loss between the PCFs by 1.6 dB with a 20.6-mm GI-PCF under 200 mu m air gap. (c) 2018 Institute of Electrical Engineers of Japan. Published by John Wiley & Sons, Inc.

引用

页码：742 / 747

页数：6

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