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Authors: S. Vandewiele, T. Brans, L. Van Landschoot, K. Komorowska, S. Verstuyft, A. Subramanian, C. Hu, F. Beunis, R. Baets
Title: Single mode air-clad liquid-core waveguides on a surface energy patterned substrate
Format: International Journal
Publication date: 8/2014
Journal/Conference/Book: Optics Letters
Editor/Publisher: OSA, 
Volume(Issue): 39(16) p.4942-4945
DOI: 10.1364/ol.39.004942
Citations: 4 ( - last update: 14/7/2024)
4 (OpenCitations - last update: 27/6/2024)
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We demonstrate a new kind of single-mode micro-optical waveguide based on a liquid core on top of a solid substrate and an air cladding. The liquid is held in place by surface-tension and a patterned surface energy
on the substrate. Due to the smooth nature of the liquid/air interface down to molecular level, low scattering losses are expected. Losses were measured to be -6.0 and -7.8 dB/cm for respectively 12 and 9 ìm wide waveguides.

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