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Q: Fachverband Quantenoptik und Photonik

Q 2: Nano-Optics and Optomechanics

Q 2.9: Poster

Monday, September 20, 2021, 16:30–18:30, P

Quantitative Waveform Sampling on Atomic Scales — •Lukas Kastner1, Dominik Peller1, Carmen Roelcke1, Thomas Buchner1, Alexander Neef1, Johannes Hayes1, Franco BonafĂ©2, Dominik Sidler2, Angel Rubio2,3,4, Rupert Huber1, and Jascha Repp11University of Regensburg, Germany — 2MPSD, MPG, Hamburg, Germany — 3CCQ, Flatiron Institute, New York, USA — 4UPV/EHU, San SebastĂ­an, Spain

Using a single molecule as a local field sensor, we precisely sample the absolute field strength and temporal evolution of tip-confined nearfield transients in a lightware-driven scanning tunnelling microscope. To develop a comprehensive understanding of the extracted atomic scale nearfield, we simulated the far-to-near-field transfer with classical electrodynamics and include time-dependent density functional theory to validate our calibration and conclusions.

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