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. 2022 Mar 10;12:3939. doi: 10.1038/s41598-022-07104-8

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Droplet arrays made by replacing the passive EG droplet with donor doped EG in (a) spherical and (b) triangular droplet arrays. (c) A comparison of the emissions from the spherical (black), triangular (red) and linear (blue) droplet arrays in the presence of donor for pump pulses at input energy of 1 mJ. The spectrum in dotted magenta lines represents the emission from the linear array for another pulse at the same pump energy. (d) Droplet array generated with an increased size of the acceptor doped droplet. (e) Threshold behavior of the linear droplet array when the donor is absent (red), in the presence of donor (black) and when the size of the acceptor droplet is increased in the absence of donor (blue).