Fluid-filled microstructured optical fibers and switching applications

Yiping Wang; Wei Jin; Long Jin; Xiaoling Tan; Hartmut Bartelt; Wolfgang Ecke; Klaus Moerl; Hartmut Lehmann; Jens Kobelke; Kerstin Schroeder; Reinhardt Willsch; Manfred Rothhardt; Liye Shan; Sven Brueckner; David J. Richardson

doi:10.1117/12.835040

5 October 2009 Fluid-filled microstructured optical fibers and switching applications

Yiping Wang, Wei Jin, Long Jin, Xiaoling Tan, Hartmut Bartelt, Wolfgang Ecke, Klaus Moerl, Hartmut Lehmann, Jens Kobelke, Kerstin Schroeder, Reinhardt Willsch, Manfred Rothhardt, Liye Shan, Sven Brueckner, David J. Richardson

Author Affiliations +

Proceedings Volume 7503, 20th International Conference on Optical Fibre Sensors; 75035W (2009) https://doi.org/10.1117/12.835040
Event: 20th International Conference on Optical Fibre Sensors, 2009, Edinburgh, United Kingdom

Abstract

We filled a refractive index matching liquid into the air holes of a Ge-doped solid-core microstructured optical fiber (MOF) with a fiber Bragg grating (FBG) to investigate its switching functions. A type of thermo-optic in-fiber switch based on the tunable bandgap effect was demonstrated in the fluid-filled FBG at the Bragg wavelength of 830nm, and its extinction ratio depends strongly on the reflectivity of the FBG. Another type of optical switch with an extinction ratio of 30 dB was developed in the fluid-filled MOF at a long wavelength of 1200 or 1400nm, attributing to the absorption of the filled liquid. Such two types of switches can turn on/off the light transmission via a small temperature adjustment of ±5 or ±10ºC, respectively, and will find useful applications in all-fiber optical communication systems.

Citation Download Citation

Yiping Wang, Wei Jin, Long Jin, Xiaoling Tan, Hartmut Bartelt, Wolfgang Ecke, Klaus Moerl, Hartmut Lehmann, Jens Kobelke, Kerstin Schroeder, Reinhardt Willsch, Manfred Rothhardt, Liye Shan, Sven Brueckner, and David J. Richardson "Fluid-filled microstructured optical fibers and switching applications", Proc. SPIE 7503, 20th International Conference on Optical Fibre Sensors, 75035W (5 October 2009); https://doi.org/10.1117/12.835040

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