Yerolatsitis, S., Gris Sanchez, I. and Birks, T. A., 2014. Adiabatically-tapered fiber mode multiplexers. Optics Express, 22 (1), pp. 608-617.
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Simple all-fiber three-mode multiplexers were made by adiabatically merging three dissimilar single-mode cores into one multimode core. This was achieved by collapsing air holes in a photonic crystal fiber and (in a separate device) by fusing and tapering separate telecom fibers in a fluorine-doped silica capillary. In each case the LP01 mode and both LP11 modes were individually excited from three separate input cores, with losses below 0.3 and 0.7 dB respectively and mode purities exceeding 10 dB. Scaling to more modes is challenging, but would be assisted by using single-mode fibers with a smaller ratio of cladding to core diameter.
|Item Type ||Articles|
|Creators||Yerolatsitis, S., Gris Sanchez, I. and Birks, T. A.|
|Departments||Faculty of Science > Physics|
|Research Centres||Centre for Photonics and Photonic Materials|
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