Frontiers of Optoelectronics, 2019, 12 (1): 0169–87, 网络出版: 2019-09-08   

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

Modulation of orbital angular momentum on the propagation dynamics of light fields
作者单位
MOE Key Laboratory of Material Physics and Chemistry under Extraordinary Conditions, and Shaanxi Key Laboratory of Optical Information Technology, School of Science, Northwestern Polytechnical University, Xi’an 710072, China
摘要
Abstract
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.

, , , , , , , , . Modulation of orbital angular momentum on the propagation dynamics of light fields[J]. Frontiers of Optoelectronics, 2019, 12(1): 0169–87. Peng LI, Sheng LIU, Yi ZHANG, Lei HAN, Dongjing WU, Huachao CHENG, Shuxia QI, Xuyue GUO, Jianlin ZHAO. Modulation of orbital angular momentum on the propagation dynamics of light fields[J]. Frontiers of Optoelectronics, 2019, 12(1): 0169–87.

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