Optically enhanced electron-atom interaction

Eduardo Arqué López; Valerio Di Giulio; Javier García de Abajo

doi:10.1117/12.2609025

5 March 2022 Optically enhanced electron-atom interaction

Eduardo Arqué López, Valerio Di Giulio, Javier García de Abajo

Proceedings Volume PC12009, Quantum Sensing and Nano Electronics and Photonics XVIII; PC120090R (2022) https://doi.org/10.1117/12.2609025
Event: SPIE OPTO, 2022, San Francisco, California, United States

Abstract

We theoretically reveal novel quantum effects in the interaction between free electrons and optically illuminated multilevel atomic systems. Specifically, we show that the resulting electron energy-loss spectra are radically altered in the presence of intense laser irradiation, giving rise to transition energy shifts and new loss features associated with the combined action of photon and electron exchanges with the atomic system, in analogy to Raman scattering. Besides their fundamental interest, our results provide the basis for a new form of spectrally resolved microscopy in which the external illumination is used to enhance the spectral resolution and strength of electron-atom interactions.

Conference Presentation

Citation Download Citation

Eduardo Arqué López, Valerio Di Giulio, and Javier García de Abajo "Optically enhanced electron-atom interaction", Proc. SPIE PC12009, Quantum Sensing and Nano Electronics and Photonics XVIII, PC120090R (5 March 2022); https://doi.org/10.1117/12.2609025

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