Open AccessInverse design optimization for efficient coupling of an electrically injected optical antenna-LED to a single-mode waveguide
Author(s) -
Nicolas M. Andrade,
Sean Hooten,
Seth A. Fortuna,
Kevin Han,
Eli Yablonovitch,
M.C. Wu
Publication year - 2019
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.27.019802
Subject(s) - waveguide , optics , coupling (piping) , antenna (radio) , materials science , coupled mode theory , inverse , optoelectronics , modulation (music) , refractive index , computer science , physics , telecommunications , acoustics , geometry , mathematics , metallurgy
Efficient high-speed nanoscale optical sources are required for low-power next-generation data communication. Here we propose an integrated antenna-LED on a single-mode optical waveguide. By leveraging inverse design optimization, we achieved a waveguide coupling efficiency of 94% and an antenna efficiency of 64%, while maintaining a high average enhancement of 144 - potentially enabling >100GHz direct modulation.