Based on the discussion of general principles and fundamental phenomena in nonlinear guided-wave optics, this article presents a review of second-order and third-order nonlinear optical waveguide devices including second harmonic generation, nonlinear directional coupler, nonlinear grating reflector, nonlinear M-Z interferomenter, etc.; the analysis and comparison of nonlinear waveguide materials and measurement techniques; and an review of the research fields and prospects of nonlinear integrated optics.
Yi-Xin Chen, Yi-Xin Chen,
"Nonlinear integrated optics", Proc. SPIE 2364, Second International Conference on Thin Film Physics and Applications, (26 October 1994); doi: 10.1117/12.190747; https://doi.org/10.1117/12.190747