Links of Interest:
– nanophotonic circuits
https://www.nature.com/articles/lsa201567
– nanophotonic lights
https://phys.org/news/2019-09-nano-bulb-path-tunable-nanoscale.html
https://www.photonics.com/Articles/Incandescent_Bulb_Redesign_Recycles_Waste/a58159
– exciton-plasmon light sources
https://www.researchgate.net/publication/325370567_Bimodal_exciton-plasmon_light_sources_controlled_by_local_charge_carrier_injection
https://arxiv.org/ftp/arxiv/papers/1704/1704.05605.pdf
[Images are only for illustration and educative purposes]