Efficient long period fiber gratings inscribed with femtosecond pulses and an amplitude mask

被引：16

作者：

Heck, Maximilian ^{[1
]}

Kraemer, Ria G. ^{[1
]}

Ullsperger, Tobias ^{[1
]}

Goebel, Thorsten A. ^{[1
,2
]}

Richter, Daniel ^{[1
]}

Tuennermann, Andreas ^{[1
,2
,3
]}

Nolte, Stefan ^{[1
,3
]}

机构：

[1] Friedrich Schiller Univ, Abbe Ctr Photon, Inst Appl Phys, Albert Einstein Str 15, D-07745 Jena, Germany

[2] Max Planck Inst Sci Light, IMPRS PL, Staudtstr 2, D-91058 Erlangen, Germany

[3] Fraunhofer Inst Appl Opt & Precis Engn, Albert Einstein Str 7, D-07745 Jena, Germany

来源：

OPTICS LETTERS | 2019年 / 44卷 / 16期

关键词：

POLARIZATION-DEPENDENT LOSS; FABRICATION; WRITTEN;

D O I：

10.1364/OL.44.003980

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present efficient long period fiber gratings written with femtosecond laser pulses at 800 nm and an amplitude mask, to the best of our knowledge, for the first time. The measured transmission spectra depict strong resonances, while the total grating length and polarization-dependent loss could be significantly reduced compared to previous results. Two gratings are exemplarily shown-one in a standard single mode, and one in a large-mode-area fiber revealing a predictable spectrum without intermediate peaks due to the suppression of coupling to asymmetric higher-order cladding modes. (C) 2019 Optical Society of America.

引用

页码：3980 / 3983

页数：4

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