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Influence of localized surface plasmons on Pauli blocking and optical limiting in graphene under femtosecond pumping

Namboodiri, Raman C K; Bongu, Sudhakara Reddy; Bisht, Prem B.; Namboodiri, Raman C. K.; Nayak, Pranati; Ramaprabhu, Sundara; Kelly, Thomas J.; Fallon, Colm; Costello, John T.

Authors

Raman C K Namboodiri

Sudhakara Reddy Bongu

Prem B. Bisht

Raman C. K. Namboodiri

Pranati Nayak

Sundara Ramaprabhu

Thomas J. Kelly

Colm Fallon

John T. Costello



Abstract

The Pauli blocking limit and optical limiting threshold have been found to be modified following silver-nanoparticle decoration of functionalized hydrogen induced exfoliated graphene. Femtosecond Z-scan experiments have been used to measure the Pauli blocking range, optical limiting threshold, and the third order nonlinear susceptibility (χ(3)) values. The observed results have been explained by modified band structure of graphene in the presence of silver nanoparticles and their localized surface plasmon resonances.

Citation

Bongu, S. R., Bisht, P. B., Namboodiri, R. C. K., Nayak, P., Ramaprabhu, S., Kelly, T. J., …Costello, J. T. (2014). Influence of localized surface plasmons on Pauli blocking and optical limiting in graphene under femtosecond pumping. Journal of applied physics, 116(7), 073101. doi:10.1063/1.4893547

Journal Article Type Article
Acceptance Date Aug 7, 2014
Publication Date Aug 21, 2014
Deposit Date Jul 18, 2016
Publicly Available Date Oct 19, 2018
Journal Journal of applied physics
Print ISSN 0021-8979
Electronic ISSN 1089-7550
Publisher AIP Publishing
Peer Reviewed Peer Reviewed
Volume 116
Issue 7
Article Number ARTN 073101
Pages 073101
DOI https://doi.org/10.1063/1.4893547
Keywords General Physics and Astronomy
Public URL https://hull-repository.worktribe.com/output/441152
Publisher URL https://aip.scitation.org/doi/10.1063/1.4893547
Additional Information This is a copy of an article published in Journal of applied physics, 2014, v.116.

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