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Strong coupling between surface plasmon polariton and laser dye rhodamine 800
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10.1063/1.3619845
/content/aip/journal/apl/99/5/10.1063/1.3619845
http://aip.metastore.ingenta.com/content/aip/journal/apl/99/5/10.1063/1.3619845

Figures

Image of FIG. 1.
FIG. 1.

(Color online) (a) Sketch of the attenuated total reflection setup, LS: tunable light source (Koheras), PD: Photo diode (b) sample structure: glass substrate (light blue), silver layer (gray), PMMA layer (dotted green) doped with different concentrations of Rhodamine800.

Image of FIG. 2.
FIG. 2.

(Color online) (a) Reflectivity signal measured vs wavelength (blue thick line) at different angles of incidence for sample C H . The curves resulting from the analytical transfer matrix method model described in the text (red thin line) have been superimposed for comparison. (b) R800 absorption spectrum (orange solid line). To better visualize the SPP-dye interaction, the absorption peaks position has been marked (vertical orange dashed lines). The black dotted line plots the imaginary part of two Lorentzians with parameters retrieved from transfer matrix fits of sample C H (cf., Table I). Both curves are normalized to their maximum value.

Image of FIG. 3.
FIG. 3.

(Color online) (a) and (b) (Red dots) Dispersion relations for sample C H and sample C L retrieved from the multiple minima in the spectra reflectivity vs wavelength. (Blue line) Calculated dispersion relation for the same sample without dye in the PMMA layer. (Green lines) Coupled oscillators fit for the dye-SPP interaction. (c) Mixing coefficients for the middle branch between E 1 and E 2 retrieved from the coupled-oscillators fit on sample C H . Solid line: B1 , dotted line: B2 , dashed line: B3.

Tables

Generic image for table
Table I.

Sample parameters retrieved from experimental data with the TMM model and the QMO model.

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/content/aip/journal/apl/99/5/10.1063/1.3619845
2011-08-03
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Strong coupling between surface plasmon polariton and laser dye rhodamine 800
http://aip.metastore.ingenta.com/content/aip/journal/apl/99/5/10.1063/1.3619845
10.1063/1.3619845
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