Universität zu Köln

Nyman, Markus, Shevchenko, Andriy ORCID: 0000-0002-7621-2830, Shavrin, Igor, Ando, Yoichi ORCID: 0000-0002-3553-3355, Lindfors, Klas and Kaivola, Matti ORCID: 0000-0001-5047-5846 (2019). Large-area enhancement of far-field fluorescence intensity using planar nanostructures. APL Phontonics, 4 (7). MELVILLE: AMER INST PHYSICS. ISSN 2378-0967

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Abstract

While nanoscale local enhancement of fluorescence is a well-studied phenomenon, enhancement of far-field radiation of large-area samples using nanostructures has been explored much less. In this work, we demonstrate planar nanostructures with exceptionally high far-field intensity enhancement factors and in addition show that the enhancement can be made controllable via the polarization state of the pump light. We also find that, counterintuitively, the Purcell effect plays only a small part in the observed far-field enhancement. The results of these studies can be applied, for example, in thin-film optical emitters, fluorescence sensors, and wide-field fluorescence microscopy. (C) 2019 Author(s).

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Nyman, Markus UNSPECIFIED UNSPECIFIED UNSPECIFIED Shevchenko, Andriy UNSPECIFIED orcid.org/0000-0002-7621-2830 UNSPECIFIED Shavrin, Igor UNSPECIFIED UNSPECIFIED UNSPECIFIED Ando, Yoichi UNSPECIFIED orcid.org/0000-0002-3553-3355 UNSPECIFIED Lindfors, Klas UNSPECIFIED UNSPECIFIED UNSPECIFIED Kaivola, Matti UNSPECIFIED orcid.org/0000-0001-5047-5846 UNSPECIFIED
URN:	urn:nbn:de:hbz:38-135963
DOI:	10.1063/1.5096270
Journal or Publication Title:	APL Phontonics
Volume:	4
Number:	7
Date:	2019
Publisher:	AMER INST PHYSICS
Place of Publication:	MELVILLE
ISSN:	2378-0967
Language:	English
Faculty:	Faculty of Mathematics and Natural Sciences
Divisions:	Faculty of Mathematics and Natural Sciences > Department of Physics > Institute of Physics II
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language LIGHT-EMITTING-DIODES; SPONTANEOUS EMISSION; OPTICAL CAVITY; EXTRACTION; SPECTROSCOPY; MICROCAVITY Multiple languages Optics; Physics, Applied Multiple languages
Refereed:	Yes
URI:	http://kups.ub.uni-koeln.de/id/eprint/13596