Paper
4 March 2019 Next generation of tailored mode selective transmission gratings for fiber integrated devices
Maximilian Heck, Georg Schwartz, Ria G. Krämer, Daniel Richter, Thorsten A. Goebel, Christian Matzdorf, Malte P. Siems, Andreas Tünnermann, Stefan Nolte
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Abstract
We report on the selective modal control of tailored femtosecond-written long period fiber gratings (LPFG). It is shown that the excitation of higher order cladding modes is possible with strong selectivity and high precision. The coupling behavior of several gratings dependent on the modified core cross section is determined theoretically and confirmed by experiments. Additional mode field measurements proof our concept. The presented tool could pave the way for a completely new branch of fiber integrated devices such as highly efficient transmission gratings or mode converters.
© (2019) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Maximilian Heck, Georg Schwartz, Ria G. Krämer, Daniel Richter, Thorsten A. Goebel, Christian Matzdorf, Malte P. Siems, Andreas Tünnermann, and Stefan Nolte "Next generation of tailored mode selective transmission gratings for fiber integrated devices", Proc. SPIE 10908, Frontiers in Ultrafast Optics: Biomedical, Scientific, and Industrial Applications XIX, 109080N (4 March 2019); https://doi.org/10.1117/12.2506152
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KEYWORDS
Structured optical fibers

Fiber lasers

Ultrafast phenomena

Fiber optic components

Integrated optics

Waveguide modes

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