4 May 2018 Spasers monolayer based on silver nanoparticles
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Several coherent light sources with dimensions less than the diffraction limit were proposed and demonstrated in the last decade. One of the most popular of them is a spaser. Since its theoretical proposal, there were a number of experimental realizations based on metal nanoparticle colloids and laser dyes. However, the disaffection with these realizations grows as the conditions of the performed experiments were too close to that of the random-lasing phenomena. Hence, an experiment with a refined setup that greatly reduces an unintended feedback due to the multiple scattering events is in order. In this work, we achieved this goal by creating a monolayer of metal nanoparticles on the solid surface and cover them with a thin layer of dye molecules.
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Aisylu N. Kamalieva, Aisylu N. Kamalieva, Nikita A. Toropov, Nikita A. Toropov, Tigran A. Vartanyan, Tigran A. Vartanyan, "Spasers monolayer based on silver nanoparticles", Proc. SPIE 10672, Nanophotonics VII, 1067224 (4 May 2018); doi: 10.1117/12.2304369; https://doi.org/10.1117/12.2304369

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