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access icon free Low loss singlemode optical waveguides with large cross-section in silicon-on-insulator

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The realisation of singlemode rib waveguides in silicon-on-insulator (SOI) having a width and height of several micro-metres is reported. Measurements at a wavelength of 1.3 and 1.55 μm yield waveguide losses below 0.5 dB/cm and an excellent agreement of the near field intensity distribution with the one predicted by a BPM simulation.

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http://iet.metastore.ingenta.com/content/journals/10.1049/el_19910930
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