The emission from color centers in inverted nanocones is numerically investigated using JCMsuite's finite-element solver and Bayesian optimizer. The study considers, e.g., optimizations of the nano cone geometry and the parameters of the collecting optics to maximize the fiber coupling efficiency.
C. G. Torun, et al. Optimized diamond inverted nanocones for enhanced color center to fiber coupling. Appl. Phys. Lett, 118, 234002 (2021).
DOI: 10.1063/5.0050338