Engineering gold nanoantennae to enhance the emission of quantum emitters

Agio, Mario; Mori, Giorgio; Kaminski, Franziska; Rogobete, Lavinia; Kuehn, Sergei; Callegari, Victor; Nellen, Philipp M.; Robin, Franck; Ekinci, Yasin; Sennhauser, Urs; Jaeckel, Heinz; Solak, Harun H.; Sandoghdar, Vahid

doi:10.1117/12.754367

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Engineering gold nanoantennae to enhance the emission of quantum emitters

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Agio, M., Mori, G., Kaminski, F., Rogobete, L., Kuehn, S., Callegari, V., et al. (2007). Engineering gold nanoantennae to enhance the emission of quantum emitters. In OPTOMECHATRONIC MICRO/NANO DEVICES AND COMPONENTS III. 1000 20TH ST, PO BOX 10, BELLINGHAM, WA 98227-0010 USA: SPIE-INT SOC OPTICAL ENGINEERING. doi:10.1117/12.754367.

Cite as: https://hdl.handle.net/21.11116/0000-0002-9B44-3

Abstract

We study the fluorescence enhancement of a single emitter coupled to two spherical gold nanoparticles and discuss the differences with respect to coupling to a single one. We also show that by changing the aspect ratio of the nanoparticles we can easily tune the plasmon-mediated enhancement from the infrared to the visible range. We present the fabrication of our nanoantermae by two alternative methods, namely X-ray interference lithography followed by focused ion beam milling and electron beam lithography. The manufactured structures are characterized individually by confocal microscopy.