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A Single-Crystalline Silver Plasmonic Circuit for Visible Quantum Emitters

Title data

Schörner, Christian ; Adhikari, Subhasis ; Lippitz, Markus:
A Single-Crystalline Silver Plasmonic Circuit for Visible Quantum Emitters.
In: Nano Letters. Vol. 19 (2019) Issue 5 . - pp. 3238-3243.
ISSN 1530-6992
DOI: https://doi.org/10.1021/acs.nanolett.9b00773

Abstract in another language

Plasmonic waveguides are key elements in nanophotonic devices, serving as optical interconnects between nanoscale light sources and detectors. Multimode operation in plasmonic two-wire transmission lines promises important degrees of freedom for near-field manipulation and information encoding. However, highly confined plasmon propagation along gold nanostructures is typically limited to the near-infrared region due to ohmic losses, excluding all visible quantum emitters from plasmonic circuitry. We report on the top-down fabrication of complex plasmonic nanostructures in single-crystalline silver plates. We demonstrate the controlled remote excitation of a small ensemble of fluorophores by a set of waveguide modes and the emission of the visible luminescence into the waveguide with high efficiency. This approach opens up the study of a nanoscale light–matter interaction between complex plasmonic waveguides and a large variety of quantum emitters available in the visible spectral range.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: focused ion beam milling; molecular fluorescence; nanocircuit; silver flake; silver nanowire; Two-wire gap-plasmon waveguide
Institutions of the University: Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Lehrstuhl Experimentalphysik III - Nanooptik > Lehrstuhl Experimentalphysik III - Nanooptik - Univ.-Prof. Dr. Markus Lippitz
Graduate Schools > Bayreuth Graduate School of Mathematical and Natural Sciences (BayNAT) > Photophysics of Synthetic and Biological Multichromophoric Systems
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 530 Physics
Date Deposited: 15 May 2019 06:15
Last Modified: 15 May 2019 06:15
URI: https://eref.uni-bayreuth.de/id/eprint/48739