Guided-wave frequency doubling in surface periodically poled lithium niobate: competing effects
Optics
2012-09-25 v1
Abstract
We carried out second-harmonic generation in quasi-phase-matched \alpha-phase lithium niobate channel waveguides realized by proton exchange and surface periodic poling. Owing to a limited ferroelectric domain depth, we could observe the interplay between second-harmonic generation and self-phase modulation due to cascading and cubic effects, resulting in a nonlinear resonance shift. Data reduction allowed us to evaluate both the quadratic nonlinearity in the near infrared as well as the depth of the uninverted domains.
Keywords
Cite
@article{arxiv.1209.5293,
title = {Guided-wave frequency doubling in surface periodically poled lithium niobate: competing effects},
author = {Salvatore Stivala and Alessia Pasquazi and Lorenzo Colace and Gaetano Assanto and Alessandro C. Busacca and Matteo Cherchi and Stefano Riva-Sanseverino and Alfonso C. Cino and Antonino Parisi},
journal= {arXiv preprint arXiv:1209.5293},
year = {2012}
}