Low-loss curved waveguides in polymers written with a femtosecond laser

被引：49

作者：

Paetzold, Welm M. ^{[1
]}

Demircan, Ayhan ^{[1
,2
]}

Morgner, Uwe ^{[1
,2
]}

机构：

[1] Leibniz Univ Hannover, Inst Quantenopt, Welfengarten 1, D-30167 Hannover, Germany

[2] Leibniz Univ Hannover, Hannoversches Zentrum Opt Technol, Nienburger Str 17, D-30167 Hannover, Germany

来源：

OPTICS EXPRESS | 2017年 / 25卷 / 01期

关键词：

POLY(METHYL METHACRYLATE); INSCRIPTION; OSCILLATOR; MECHANISMS; CHIPS;

D O I：

10.1364/OE.25.000263

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present straight and s-curve waveguides in polymers fabricated by femtosecond laser writing. A number of parallel tracks are written inside the bulk material with a well-defined gap in the middle that forms the waveguide core. This approach offers the flexibility to tailor the mode-field diameter of the waveguide by adjusting the size of the gap. The waveguides exhibit very low propagation losses of 0.3 dB/cm and no significant bend losses for curve radii of R >= 20 mm. This fabrication process will allow for the realization of complex waveguide networks in a compact footprint chip. (C) 2017 Optical Society of America

引用

页码：263 / 270

页数：8

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