Abstract
Several types of second-harmonic generation (SHG) in waveguides have been studied.1 Among them, we have investigated Cherenkov SHG in an originally designed Ia205 channel waveguide on a KTi0P04 substrate, and obtained an efficient blue SHG.2 In this paper, phase matched SHG we newly observed in the same structure is reported, and also the relationship with the Cherenkov SHG is clarified.
© 1994 Optical Society of America
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