Title :
Surface-emitting second-harmonic generation: Effective technique for evaluating periodically-poled lithium niobate waveguide domains with nanoscale resolution
Author :
Da Li ; Ran Wang ; Zhaojun Liu ; Lei Wang ; Ding, Yujie J.
Author_Institution :
Dept. of Electr. & Comput. Eng., Lehigh Univ., Bethlehem, PA, USA
Abstract :
We demonstrate that surface-emitting second-harmonic generation is an effective technique for evaluating domains of periodically-poled lithium niobate waveguide: domain period, linear taper, and poling depth. Such a method reaches nanoscale spatial resolution of 0.5 nm.
Keywords :
lithium compounds; optical harmonic generation; optical materials; optical waveguides; LiNbO3; domain period; linear taper; nanoscale spatial resolution; periodically-poled lithium niobate waveguide domains; poling depth; surface-emitting second-harmonic generation; Acoustic beams; Frequency conversion; Laser beams; Laser excitation; Optical surface waves; Optical waveguides; Surface waves;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA
