400%/W second harmonic conversion efficiency in $\mathrm{14 \mu m}$-diameter gallium phosphide-on-oxide resonators
Applied Physics
2018-12-26 v1 Optics
Abstract
Second harmonic conversion from 1550~nm to 775~nm with an efficiency of 400% W is demonstrated in a gallium phosphide (GaP) on oxide integrated photonic platform. The platform consists of doubly-resonant, phase-matched ring resonators with quality factors , low mode volumes , and high nonlinear mode overlaps. Measurements and simulations indicate that conversion efficiencies can be increased by a factor of 20 by improving the waveguide-cavity coupling to achieve critical coupling in current devices.
Cite
@article{arxiv.1810.06393,
title = {400%/W second harmonic conversion efficiency in $\mathrm{14 \mu m}$-diameter gallium phosphide-on-oxide resonators},
author = {Alan D. Logan and Michael Gould and Emma R. Schmidgall and Karine Hestroffer and Zin Lin and Weiliang Jin and Arka Majumdar and Fariba Hatami and Alejandro W. Rodriguez and Kai-Mei C. Fu},
journal= {arXiv preprint arXiv:1810.06393},
year = {2018}
}
Comments
13 pages, 6 figures