Generating optical vortex beams using cylindrical waveguides

被引：0

作者：

Fujita, Yoshihisa ^{[1
]}

Nakamura, Hiroaki ^{[2
]}

Kawaguchi, Hideki ^{[3
]}

Goto, Yuki ^{[2
]}

Kubo, Shin ^{[4
]}

机构：

[1] Nihon Univ, Coll Ind Technol, Narashino, Chiba 2758575, Japan

[2] Natl Inst Nat Sci, Natl Inst Fus Sci, Toki, Gifu 5095292, Japan

[3] Muroran Inst Technol, Div Informat & Elect Engn, Muroran, Hokkaido 0508585, Japan

[4] Chubu Univ, Coll Sci & Engn, Kasugai, Aichi 4878501, Japan

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS | 2024年 / 63卷 / 10期

关键词：

numerical simulation; optical vertex; cylindrical waveguide; MODE;

D O I：

10.35848/1347-4065/ad8167

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

As an initial step toward exciting optical vortices using high-power millimeter waves, this study developed a method for inducing vortex modes within a cylindrical waveguide using Gaussian beams. By examining the coupling between tilted and offset Gaussian beams and specific waveguide modes, appropriate tilt angles and offsets were obtained. Numerical simulations demonstrated that the vortex modes could be efficiently excited using four Gaussian beams. Furthermore, the results revealed that increasing the number of Gaussian beams improves the excitation efficiency of vortex modes.

引用

页数：6

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