Design Optimization of Large-Mode-Area All-Solid Photonic Bandgap Fibers for High-Power Laser Applications

Author

Saitoh, Shohei ; Saitoh, Kunimasa ; Kashiwagi, M. ; Matsuo, Shoichiro ; Liang Dong

Author_Institution

Grad. Sch. of Inf. Sci. & Technol., Hokkaido Univ., Sapporo, Japan

Volume

32

Issue

3

fYear

2014

fDate

Feb.1, 2014

Firstpage

440

Lastpage

449

Abstract

We optimized the structural parameters of large-mode-area all-solid photonic bandgap fibers for high-power laser applications with numerical simulations. We obtained an effective mode area of greater than 1000 μm ² in bending condition while maintaining single-mode operation and realizing compact packaging for both 7- and 19-cell core fibers. We also found out that a core diameter of larger than 115 μm could be achieved for the 19-cell core fibers.

Keywords

bending; fibre lasers; holey fibres; laser modes; optical design techniques; photonic band gap; photonic crystals; 19-cell core fibers; 7-cell core fibers; bending condition; compact packaging; core diameter; design optimization; high-power laser application; large-mode-area all-solid photonic bandgap fibers; numerical simulations; single-mode operation; structural parameters; Fiber lasers; Frequency modulation; Indexes; Laser applications; Materials; Optical losses; Photonic band gap; Effective area; fiber lasers; finite element method; large-mode-area (LMA) fibers; low nonlinearity; photonic bandgap fibers (PBGFs);

fLanguage

English

Journal_Title

Lightwave Technology, Journal of

Publisher

ieee

ISSN

0733-8724

Type

jour

DOI

10.1109/JLT.2013.2294201

Filename

6680639