Modulation of orbital angular momentum on the propagation dynamics of light fields

Optical vortices carrying orbital angular momentum (OAM) have attracted extensive attention in recent decades because of their interesting applications in optical trapping, optical machining, optical communication, quantum information, and optical microscopy. Intriguing effects induced by OAMs, such...

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Bibliographic Details
Published in:Frontiers of Optoelectronics (Online) 2019-03, Vol.12 (1), p.69-87
Main Authors: Li, Peng, Liu, Sheng, Zhang, Yi, Han, Lei, Wu, Dongjing, Cheng, Huachao, Qi, Shuxia, Guo, Xuyue, Zhao, Jianlin
Format: Article
Language:English
Subjects:
Angular momentum
Biomedical Engineering and Bioengineering
Conversion
Electrical Engineering
Electron beams
Engineering
Evolution
Fields (mathematics)
Hall effect
Machining
Optical communication
Optical microscopy
Optical trapping
Physics
Propagation
Quantum phenomena
Review Article
Vortices
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Summary:Optical vortices carrying orbital angular momentum (OAM) have attracted extensive attention in recent decades because of their interesting applications in optical trapping, optical machining, optical communication, quantum information, and optical microscopy. Intriguing effects induced by OAMs, such as angular momentum conversion, spin Hall effect of light (SHEL), and spin–orbital interaction, have also gained increasing interest. In this article, we provide an overview of the modulations of OAMs on the propagation dynamics of scalar and vector fields in free space. First, we introduce the evolution of canonical and noncanonical optical vortices and analyze the modulations by means of local spatial frequency. Second, we review the Pancharatnam–Berry (PB) phases arising from spin–orbital interaction and reveal the control of beam evolution referring to novel behavior such as spindependent splitting and polarization singularity conversion. Finally, we discuss the propagation and focusing properties of azimuthally broken vector vortex beams.
ISSN:2095-2759
2095-2767
DOI:10.1007/s12200-017-0743-3