Integer multiplier for the orbital angular momentum of light using a circular-sector transformation

被引：20

作者：

Takashima, Satoru ^{[1
]}

Kobayashi, Hirokazu ^{[1
]}

Iwashita, Katsushi ^{[1
]}

机构：

[1] Kochi Univ Technol, Grad Sch Engn, 185 Tosayamada Cho, Kochi 7828502, Japan

来源：

PHYSICAL REVIEW A | 2019年 / 100卷 / 06期

基金：

日本学术振兴会;

关键词：

GENERATION; ENTANGLEMENT; STATES;

D O I：

10.1103/PhysRevA.100.063822

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

This paper describes an integer multiplier for the light orbital angular momentum (OAM) through circular-sector transformations, whereby the cross-sectional circular shape of the OAM mode is geometrically transformed to circular-sector shape. Our method can be simply understood in complex function theory and the transformation process can be visualized as unwrapping a Riemann surface, including multiple sheets into a single sheet. The conversion accuracy is significantly better than the previous method because our method uses single-step geometric transformation. Our method has strong potential for the spatial mode manipulation of OAM and other useful spatial modes.

引用

页数：14

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