Comparison of measured losses of Ti:LiNbO3 channel waveguide bends
Pao-Lo Liu, Bing-Jin Li, Paul J. Cressman, John R. Debesis, and Scott D. Stoller

We report measured losses of Ti:LiNbO3 waveguide S-shaped bends designed by using sine, cosine-generated curves, two arcs, and two arcs with a connecting straight guide. Experimental results confirm that the cosine-generated curve provides the best performance.