Abstract

Low bending losses have been achieved in single-mode Ti:LiNbO3 channel waveguides by utilizing coherent coupling effects between closely spaced abrupt bends. A variety of multiple-bend structures has been evaluated. Losses as low as 0.08 dB per coupled 1° abrupt bend have been measured, as compared with 0.8 dB per isolated 1° abrupt bend.

© 1983 Optical Society of America

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