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- Title
Observation of plasmonically induced transparency by the pump-probe technique.
- Authors
Moazzezi, Mojtaba; Pudel, Yuba; Mahat, Meg; Neogi, Arup; Rostovtsev, Yuri
- Abstract
We have studied the pump-probe spectroscopy of graphene oxide quantum dots. In the presence of gold nanoparticles, strong modifications of pump-probe spectra have been observed. We develop a theoretical model to explain the observed features of the pump-probe spectra. The model takes into account self-consistently the interaction of exciton with surface plasmonic waves excited in the gold nanoparticles, and it provides a qualitative agreement with the observed pump-probe spectra. We have demonstrated that the using gold nanoparticles can increase sensitivity, and potentially to have a broader range of applications to both spectroscopy and microscopy.
- Subjects
PUMP probe spectroscopy; GOLD nanoparticles; QUANTUM dots; GRAPHENE oxide; SURFACE interactions
- Publication
European Physical Journal: Special Topics, 2021, Vol 230, Issue 4, p951
- ISSN
1951-6355
- Publication type
Article
- DOI
10.1140/epjs/s11734-021-00076-2