Abstract

Vertical coupling between silicon-on-insulator waveguides and optical fibers is achieved using adapted fibers with an angled facet. The proposed coupling scheme is demonstrated for waveguides containing uniform one-dimensional grating couplers. A coupling efficiency of 32% and a 1dB bandwidth of 32nm are measured at a wavelength of 1550nm. We demonstrate single-step fabrication of these fibers using a simple molding technique.

© 2008 Optical Society of America

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