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Low transition losses in bent rib waveguides

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2 Author(s)
Chulhun Seo ; Dept. of Telecommun. Eng., Soongsil Univ., Seoul, South Korea ; Chen, J.C.

We reduce the transition losses that occur between curved and straight rib waveguides, by offsetting the guides and placing isolation trenches. Using a three-dimensional (3-D) semivectorial beam propagation program, we also can investigate more novel effects such as rib heights and sidewall slopes. Our consideration of all these effects results in an optimized design

Published in:

Lightwave Technology, Journal of  (Volume:14 ,  Issue: 10 )