Fluorescence excitation by enhanced plasmon upconversion under continuous wave illumination

Mehmet Emre Tasgin; Ildar Salakhutdinov; Dania Kendziora; Musa Kurtulus Abak; Deniz Turkpence; Luca Piantanida; Ljiljana Fruk; Marco Lazzarino; Alpan Bek

doi:10.1016/j.photonics.2016.06.001

Fluorescence excitation by enhanced plasmon upconversion under continuous wave illumination

Mehmet Emre Tasgin^*, Ildar Salakhutdinov, Dania Kendziora, Musa Kurtulus Abak, Deniz Turkpence, Luca Piantanida, Ljiljana Fruk, Marco Lazzarino, Alpan Bek

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

We demonstrate effective background-free continuous wave nonlinear optical excitation of molecules that are sandwiched between asymmetrically constructed plasmonic gold nanoparticle clusters. We observe that near infrared photons are converted to visible photons through efficient plasmonic second harmonic generation. Our theoretical model and simulations demonstrate that Fano resonances may be responsible for being able to observe nonlinear conversion using a continuous wave light source. We show that nonlinearity enhancement of plasmonic nanostructures via coupled quantum mechanical oscillators such as molecules can be several orders larger as compared to their classical counterparts.

Original language	English
Pages (from-to)	32-43
Number of pages	12
Journal	Photonics and Nanostructures - Fundamentals and Applications
Volume	21
DOIs	https://doi.org/10.1016/j.photonics.2016.06.001
Publication status	Published - 1 Sept 2016
Externally published	Yes

Bibliographical note

Publisher Copyright:
© 2016 Elsevier B.V. All rights reserved.

Funding

The research leading to these results has received funding from: Middle East Technical University BAP-08-11-2011-129 grant; Bilim Akademisi – The Science Academy, Turkey BAGEP 2013 award (A.B.). A.B. acknowledges support from TÜBİTAK grant no. 113F239 . M.E.T. and D.T. acknowledge support from TÜBİTAK grant nos. 112T927 and 114F170 . This work was undertaken while one of the authors (M.E.T.) was in residence at Bilkent University with the support provided by Oğuz Gülseren.

Funders	Funder number
TÜBİTAK	114F170, 112T927, 113F239
Orta Doğu Teknik Üniversitesi	BAP-08-11-2011-129

Keywords

Enhancement
Fano resonances
Plasmons
Second harmonic generation

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10.1016/j.photonics.2016.06.001

Cite this

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title = "Fluorescence excitation by enhanced plasmon upconversion under continuous wave illumination",

abstract = "We demonstrate effective background-free continuous wave nonlinear optical excitation of molecules that are sandwiched between asymmetrically constructed plasmonic gold nanoparticle clusters. We observe that near infrared photons are converted to visible photons through efficient plasmonic second harmonic generation. Our theoretical model and simulations demonstrate that Fano resonances may be responsible for being able to observe nonlinear conversion using a continuous wave light source. We show that nonlinearity enhancement of plasmonic nanostructures via coupled quantum mechanical oscillators such as molecules can be several orders larger as compared to their classical counterparts.",

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AU - Tasgin, Mehmet Emre

AU - Salakhutdinov, Ildar

AU - Kendziora, Dania

AU - Abak, Musa Kurtulus

AU - Turkpence, Deniz

AU - Piantanida, Luca

AU - Fruk, Ljiljana

AU - Lazzarino, Marco

AU - Bek, Alpan

PY - 2016/9/1

Y1 - 2016/9/1

N2 - We demonstrate effective background-free continuous wave nonlinear optical excitation of molecules that are sandwiched between asymmetrically constructed plasmonic gold nanoparticle clusters. We observe that near infrared photons are converted to visible photons through efficient plasmonic second harmonic generation. Our theoretical model and simulations demonstrate that Fano resonances may be responsible for being able to observe nonlinear conversion using a continuous wave light source. We show that nonlinearity enhancement of plasmonic nanostructures via coupled quantum mechanical oscillators such as molecules can be several orders larger as compared to their classical counterparts.

AB - We demonstrate effective background-free continuous wave nonlinear optical excitation of molecules that are sandwiched between asymmetrically constructed plasmonic gold nanoparticle clusters. We observe that near infrared photons are converted to visible photons through efficient plasmonic second harmonic generation. Our theoretical model and simulations demonstrate that Fano resonances may be responsible for being able to observe nonlinear conversion using a continuous wave light source. We show that nonlinearity enhancement of plasmonic nanostructures via coupled quantum mechanical oscillators such as molecules can be several orders larger as compared to their classical counterparts.

KW - Enhancement

KW - Fano resonances

KW - Plasmons

KW - Second harmonic generation

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JO - Photonics and Nanostructures - Fundamentals and Applications

JF - Photonics and Nanostructures - Fundamentals and Applications

ER -

Fluorescence excitation by enhanced plasmon upconversion under continuous wave illumination

Abstract

Bibliographical note

Funding

Keywords

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