학술논문
Second-harmonic generation in nanophotonic PPLN waveguides with ultrahigh efficiencies
Document Type
Conference
Author
Source
2018 Conference on Lasers and Electro-Optics (CLEO) Lasers and Electro-Optics (CLEO), 2018 Conference on. :1-2 May, 2018
Subject
Language
Abstract
We demonstrate second-harmonic generation in periodically poled lithium niobate nanophotonic waveguides with normalized conversion efficiencies up to 2600%/W-cm 2 . We achieve a 53% conversion within a 4-mm long waveguide at a pump power of 220 mW.