Spectral characterization of helicoidal long-period fiber gratings in photonic crystal fibers

被引：31

作者：

Shin, Woojin ^{[1
]}

Lee, Yeung Lak ^{[1
]}

Yu, Bong-Ahn ^{[1
]}

Noh, Young-Chul ^{[1
]}

Oh, Kyunghwan ^{[2
]}

机构：

[1] Gwangju Inst Sci & Technol, APRI, Kwangju, South Korea

[2] Yonsei Univ, Dept Phys, Seoul 120749, South Korea

来源：

OPTICS COMMUNICATIONS | 2009年 / 282卷 / 17期

关键词：

BANDPASS FILTER; OPTICAL-FIBER; FABRICATION;

D O I：

10.1016/j.optcom.2009.05.063

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report a new helicoidal long-period grating by twisting a photonic crystal fiber under CO2 laser irradiation and experimentally investigated its novel transmission characteristics. The fabricated helicoidal PCF-LPG has a relatively short length of similar to 1.4 cm with a low polarization dependent loss less than 1 dB and thermal shift of similar to 3.7 pm/degrees C. The proposed device endows the unique resonant peaks tuning capability more than similar to 18 nm by applying torsion stress, which has not been achieved in prior PCF-LPGs. From these novel thermo-optic and photo-mechanical properties, the proposed device can be applied for various components, including optical filters, attenuators, and sensors. (c) 2009 Elsevier B.V. All rights reserved.

引用

页码：3456 / 3459

页数：4

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