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Plasmon Enhancement of Fluorescence in Single Light-Harvesting Complexes from em Amphidinium carterae

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Bujak Ł., Piątkowski D., Mackowski S., Wörmke S., Jung C., Bräuchle C., Agarwal A., Kotov N., Schulte T., Hofmann E., Brotosudarmo T., Scheer H., Govorov A., Hiller R.

Acta Physica Polonica A

2009

vol. 116

issue S

S-22-S-25

We show that single peridinin-chlorophyll a-protein light-harvesting complexes from dinoflagellate Amphidinium carterae placed near to silver nanoparticles show strongly enhanced fluorescence emission. Single molecule spectroscopy experiments performed at room temperature point toward an enhancement of more than an order of magnitude for optimal conditions. Irrespective of the enhancement, we observe no effect of the metal nanoparticle on the fluorescence emission energy of the complex. This result provides a way to control the optical properties of biomolecules via plasmon excitations in metal nanoparticles.

Cold Atomic Gases in Optical Lattices with Disorder

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Schulte T., Drenkelforth S., Kruse J., Ertmer W., Arlt J., Kantian A., Sanchez-Palencia L., Santos L., Sanpera A., Sacha K., Zoller P., Lewenstein M., Zakrzewski J.

Acta Physica Polonica A

2006

vol. 109

issue 1

89-99

Cold atomic gases placed in optical lattices enable studies of simple condensed matter theory models with parameters that may be tuned relatively easily. When the optical potential is randomized (e.g. using laser speckle to create a random intensity distribution) one may be able to observe Anderson localization of matter waves for non-interacting bosons, the so-called Bose glass in the presence of interactions, as well as the Fermi glass or quantum spin glass for mixtures of fermions and bosons.

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2 Acta Physica Polonica A

1 2009

1 2006

2 Schulte T.

1 Agarwal A.

1 Arlt J.

1 Brotosudarmo T.

1 Bräuchle C.

1 Bujak Ł.

1 Drenkelforth S.

1 Ertmer W.

1 Govorov A.

1 Hiller R.

1 Hofmann E.

1 Jung C.

1 Kantian A.

1 Kotov N.

1 Kruse J.

1 Lewenstein M.

1 Mackowski S.

1 Piątkowski D.

1 Sacha K.

1 Sanchez-Palencia L.

1 Sanpera A.

1 Santos L.

1 Scheer H.

1 Wörmke S.

1 Zakrzewski J.

1 Zoller P.

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Plasmon Enhancement of Fluorescence in Single Light-Harvesting Complexes from em Amphidinium carterae

Cold Atomic Gases in Optical Lattices with Disorder