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Published July 2005 | public
Journal Article Open

Segmented waveguides in thin silicon-on-insulator


We have developed new silicon-on-insulator waveguide designs for simultaneously achieving both low-loss optical confinement and electrical contacts, and we present a design methodology based on calculating the Bloch modes of such segmented waveguides. With this formalism, waveguides are designed in a single thin layer of silicon-on-insulator to achieve both optical confinement and minimal insertion loss. Waveguides were also fabricated and tested, and the measured data were found to closely agree with theoretical predictions, demonstrating input insertion loss and propagation loss better than 0.1 dB and -16 dB/cm, respectively.

Additional Information

© 2005 Optical Society of America. Received June 4, 2004; revised manuscript received August 30, 2004; accepted October 10, 2004. The authors gratefully acknowledge the support of the Defense Advanced Research Projects Agency under the Chip Scale-Wavelength Division Multiplexing program, contract N00421-02-D-3223. Luxtera, Inc., is gratefully acknowledged for its donation of computer time.


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