We have demonstrated a technique for achieving low loss in silicon waveguides by using wide sections in the straight paths with narrow sections in the turns. The overall loss achieved was approximately 0.3 dB/cm.
© 2004 Optical Society of America
S. Spector, M. W. Geis, D. Lennon, R. C. Williamson, and T. M. Lyszczarz, " Hybrid multi-mode/single-mode waveguides for low loss," in Optical Amplifiers and Their Applications/Integrated Photonics Research, Technical Digest (CD) (Optical Society of America, 2004), paper IThE5.
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