Mach-Zehnder interferometer formed in a photonic crystal fiber based on a pair of long-period fiber gratings

被引：138

作者：

Lim, JH ^{[1
]}

Jang, HS

Lee, KS

Kim, JC

Lee, BH

机构：

[1] Sungkyunkwan Univ, Sch Informat & Commun Engn, Suwon 440746, South Korea

[2] Kwangju Inst Sci & Technol, Dept Informat & Commun, Oryong Dong 500712, Gwangju, South Korea

来源：

OPTICS LETTERS | 2004年 / 29卷 / 04期

关键词：

D O I：

10.1364/OL.29.000346

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We demonstrate implementation of an. all-fiber Mach-Zehnder interferometer formed in a photonic crystal fiber (PCF). We formed the all-PCF Mach-Zehnder interferometer by-mechanically inducing two identical long-period fiber gratings (LPGs) in the PCF. The spectral properties of a LPG and a. LPG pair were investigated. The interference fringe formed within the stop band of the LPG pair varied with the period and the strength of the gratings, and the fringe spacing was decreased with increasing grating separation. From the fringe spacing measurement the. differential effective group index of the PCF was calculated to be Deltam approximate to 2.8 X 10(-3). (C) 2004 Optical Society of America.

引用

页码：346 / 348

页数：3

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