Thermo-Optic Switching Effect Based on Fluid-Filled Photonic Crystal Fiber |
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| Authors: | Wang Y Bartelt H Ecke W Moerl K Lehmann H Schroeder K Willsch R Kobelke J Rothhardt M Spittel R Shan L Brueckner S Jin W Tan X Jin L |
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| Affiliation: | Department of Electrical Engineering, The Hong Kong Polytechnic University, Institute of Photonic Technology, Kowloon, Jena, Hong Kong, P. R. ChinaGermany; |
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| Abstract: | We report a thermo-optic switching effect with a high extinction ratio of 30 dB by means of filling a fluid into air holes of a solid-core photonic crystal fiber (PCF). Such an effect can perform a turn on–off operation of the transmitted light via a small temperature adjustment of $pm$10 $^{circ}hbox{C}$. The switching function attributes to the absorption of the filled fluid in combination with the interaction between the core mode and the excited “fluid rod” modes, resulting from the thermo-optic effect of the filled fluid. |
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