Directional silicon nano-antennas for quantum emitter control designed by evolutionary optimization
Robustness
Nanophotonics
DOI:
10.1364/josab.506085
Publication Date:
2024-01-08T21:00:14Z
AUTHORS (8)
ABSTRACT
We optimize silicon nano-antennas to enhance and direct the emission of local quantum sources. combine global evolutionary optimization (EO) with frequency domain electrodynamical simulations compare design strategies based on resonant non-resonant building blocks. Specifically, we investigate performance models different degrees freedom but comparable amounts available material. find that simpler geometric allow significantly faster convergence optimizer, which, expectedly, comes at cost a reduced optical performance. finally analyze physical mechanisms underlying directional also an rate enhancement surprising robustness against perturbations source emitter location. This makes structures highly interesting for actual nano-fabrication. believe optimized, all-dielectric have high potential genuine breakthroughs in multitude applications nanophotonics technologies.
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