Laboratoire Charles Coulomb UMR 5221 CNRS/UM2 (L2C)

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- Multiwall MoS2 tubes as optical resonators Editor's Pick doi link

Auteur(s): Kazanov Dmitrii, Poshakinskiy A. V., Davydov V yu, Smirnov A.N., Remskar M., Kirilenko D.a., Fathipour S, Mintairov A, Seabaugh A, Shubina T. V., Gil B.(Corresp.)

(Article) Publié: Applied Physics Letters, vol. 113 p.101106 (2018)


Ref HAL: hal-01871322_v1
DOI: 10.1063/1.5047792
Exporter : BibTex | endNote
Résumé:

We study the optical properties of MoS2 nanotubes (NTs) with walls comprising dozens of monolayers. We reveal strong peaks in micro-photoluminescence (l-PL) spectra when detecting the light polarized along the NT axis. We develop a model describing the optical properties of the nanotubes acting as optical resonators which support the quantization of whispering gallery modes inside the NT wall. The experimental observation of the resonances in l-PL allows one to use them as a contactless method of the estimation of the wall width. Our findings open a way to use such NTs as polarization-sensitive components of nanophotonic devices.




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