We address the improvement of quasi-phase-matched (QPM) wavelength conversion in semiconductor waveguides by optimizing the modulation of the nonlinear susceptibility, considering the role of QPM grating order and redesigning the waveguide core to improve coupling efficiency.
© 2002 Optical Society of America
D. C. Hutchings and T. C. Kleckner, "Quasi phase matching in semiconductor waveguides by intermixing: optimization considerations," J. Opt. Soc. Am. B 19, 890-894 (2002)