Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/91477
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Title: Transmission and generation of orbital angular momentum modes in optical fibers
Authors: Wang, Z 
Tu, J
Gao, S
Li, Z
Yu, C 
Lu, C 
Issue Date: Jul-2021
Source: Photonics, July 2021, v. 8, no. 7, 246
Abstract: The orbital angular momentum (OAM) of light provides a new degree of freedom for carrying information. The stable propagation and generation of OAM modes are necessary for the fields of OAM-based optical communications and microscopies. In this review, we focus on discussing the novel fibers that are suitable for stable OAM mode transmission and conversion. The fundamental theory of fiber modes is introduced first. Then, recent progress on a multitude of fiber designs that can stably guide or generate OAM modes is reviewed. Currently, the mode crosstalk is regarded as the main issue that damages OAM mode stability. Therefore, the coupled-mode theory and coupled-power power theory are introduced to analyze OAM modes crosstalk. Finally, the challenges and prospects of the applications of OAM fibers are discussed.
Keywords: Fiber mode crosstalk
Optical fiber
Orbital angular momentum
Vortex mode generator
Publisher: MDPI
Journal: Photonics 
EISSN: 2304-6732
DOI: 10.3390/photonics8070246
Rights: © 2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
The following publication : Wang, Z.; Tu, J.; Gao, S.; Li, Z.; Yu, C.; Lu, C. Transmission and Generation of Orbital ANGULAR Momentum Modes in Optical Fibers. Photonics 2021, 8, 246 is available at https://doi.org/10.3390/photonics8070246
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