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Title: Free-electron radiation engineering via structured environments
Authors: Hu, Hao
Lin, Xiao
Luo, Yu
Keywords: Engineering::Electrical and electronic engineering
Issue Date: 2021
Source: Hu, H., Lin, X. & Luo, Y. (2021). Free-electron radiation engineering via structured environments. Progress in Electromagnetics Research, 171, 75-88.
Project: A20E5c0095
MOE2018-T2-2-189 (S)
219 A18A7b0058
NRF220 CRP22-2019-0006
Journal: Progress in Electromagnetics Research
Abstract: Free-electron radiation results from the interaction between swift electrons and the local electromagnetic environment. Recent advances in material technologies provide powerful tools to control light emission from free electrons and may facilitate many intriguing applications of free-electron radiation in particle detections, lasers, quantum information processing, etc. Here, we provide a brief overview on the recent theoretical developments and experimental observations of spontaneous free-electron radiation in various structured environments, including two-dimensional materials, metasurfaces, metamaterials, and photonic crystals. We also report the research progresses on the stimulated free-electron radiation that results from the interaction between free electrons and photonic quasi-particles induced by the external field. Moreover, we provide an outlook of potential research directions for this vigorous realm of free-electron radiation.
ISSN: 1070-4698
DOI: 10.2528/PIER21081303
Rights: © 2021 The Electromagnetics Academy. All rights reserved. This paper was published in Progress in Electromagnetics Research and is made available with permission of The Electromagnetics Academy.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles

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