14 March 2015 Electrically driven surface plasmon nanosources
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Abstract
Electrical nanosources of surface plasmons will be an integral part of any future plasmonic circuits. Three different types of such nanosources (based on inelastic electron tunneling, high energy electron bombardment, and the electrical injection of a semiconductor device) are briefly described here. An example of a fundamental experiment using an electrical nanosource consisting of the tunnel junction formed between a scanning tunneling microscope (STM) and a metallic sample is given. In this experiment, the temporal coherence of the broadband STM-plasmon source is probed using a variant of Young's double slit experiment, and the coherence time of the broadband source is estimated to be about 5-10 fs.
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Elizabeth Boer-Duchemin, Tao Wang, Eric Le Moal, Gérald Dujardin, "Electrically driven surface plasmon nanosources", Proc. SPIE 9361, Ultrafast Phenomena and Nanophotonics XIX, 93610Q (14 March 2015); doi: 10.1117/12.2076891; https://doi.org/10.1117/12.2076891
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