Whispering-gallery microlasers doped with plasmonic nanoparticles

Evgeniia O. Soloveva; Kamilla Kurassova; Kirill V. Bogdanov; Daler R. Dadadzhanov; Anton A. Starovoytov; Nikita A. Toropov

doi:10.1117/12.3022360

6 June 2024 Whispering-gallery microlasers doped with plasmonic nanoparticles

Evgeniia O. Soloveva, Kamilla Kurassova, Kirill V. Bogdanov, Daler R. Dadadzhanov, Anton A. Starovoytov, Nikita A. Toropov

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Proceedings Volume 12991, Nanophotonics X; 129911X (2024) https://doi.org/10.1117/12.3022360
Event: SPIE Photonics Europe, 2024, Strasbourg, France

Conference Poster

Abstract

Whispering Gallery Mode (WGM) microlasers were obtained by impregnating polystyrene microspheres in an aqueous solution of plasmonic nanoparticles and Rhodamine 6G. The emission spectra of Rhodamine-doped microspheres with diameters of 1 μm and 5-7 μm exhibited peaks corresponding to WGM, with a low Q-factor for 1-μm and a higher Q-factor for 5-7-μm spheres. The embedding of gold nanoparticles into microlasers results in a 40% decrease in the WGM intensity, while doping with silver nanoparticles increases it by 10%.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

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Evgeniia O. Soloveva, Kamilla Kurassova, Kirill V. Bogdanov, Daler R. Dadadzhanov, Anton A. Starovoytov, and Nikita A. Toropov "Whispering-gallery microlasers doped with plasmonic nanoparticles", Proc. SPIE 12991, Nanophotonics X, 129911X (6 June 2024); https://doi.org/10.1117/12.3022360

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