Abstract
An approach to producing electromagnetic (EM) waves carrying orbital angular momentum (OAM) by using three-dimensional (3D) photonic crystals (PCs) is proposed. By introducing a point defect in the PCs, a localized rotation mode is excited and then radiated out through a circular opening upon the defect. The radiated wave carries well-defined OAM. The lowest four OAM modes, i.e., OAM indices of ±1 and ±2, are successfully generated. The effectiveness of our approach is validated by both full-wave simulations and experiments.
Recommended Citation
M. L. Chen et al., "Generation Of Orbital Angular Momentum In 3D Photonic Crystals," 2019 IEEE International Conference on Computational Electromagnetics, ICCEM 2019 - Proceedings, article no. 8779190, The Institute of Engineering and Technology, Mar 2019.
The definitive version is available at https://doi.org/10.1109/COMPEM.2019.8779190
Department(s)
Electrical and Computer Engineering
International Standard Book Number (ISBN)
978-153867111-5
Document Type
Article - Conference proceedings
Document Version
Citation
File Type
text
Language(s)
English
Rights
© 2024 The Institute of Engineering and Technology, All rights reserved.
Publication Date
01 Mar 2019
Comments
National Natural Science Foundation of China, Grant FA2386-17-1-0010