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. 2020 Jul 8;11:3414. doi: 10.1038/s41467-020-17248-8

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© The Author(s) 2020

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 7 — Computed spatial overlap integral $η_{nf / em}$ , defined in Eq. (4), between the local excitation field and the active medium as a function of the incident polarization angle ϕ for three different hybrid nanosources. The incident field is linearly polarized, λ = 405 nm. a Au nanocube with polymer lobes along the diagonal direction, ϕ = 45°. b Au nanocube with polymer deposits at cube faces, ϕ = 0°. c Hybrid Au nanodisk with polymer lobes along ϕ = 45°.