Experimental demonstration of intracavity multiaxial geometric mode structure manipulation

被引：4
|
作者：
An, Jiashuo [1 ,2 ]
Bai, Zhenxu [1 ,2 ]
Zhu, Zhihan [3 ]
Wang, Yulei [1 ,2 ]
Lu, Zhiwei [1 ,2 ]
机构：
[1] Hebei Univ Technol, Ctr Adv Laser Technol, Tianjin 300401, Peoples R China
[2] Hebei Key Lab Adv Laser Technol & Equipment, Tianjin 300401, Peoples R China
[3] Harbin Univ Sci & Technol, Wang Da Heng Ctr, Heilongjiang Key Lab Quantum Control, Harbin 150080, Peoples R China
来源：
APPLIED PHYSICS LETTERS | 2024年 / 124卷 / 06期
基金：
中国国家自然科学基金;
关键词：
VECTOR VORTEX BEAMS; GENERATION; LATTICES; LASER;
D O I：
10.1063/5.0180701
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Coherent wave multiaxial geometric modes (MAGMs) are a type of complex structured light characterized by ray-wave duality. Multiple spatial degrees-of-freedom of MAGMs are attractive for some advanced areas such as high-capacity optical communications. Conventionally, transverse light field coupled to ray-trajectories of geometric mode from lasers is hard to be tailored. Here, intracavity manipulation of the transverse structure of MAGMs is experimentally demonstrated. A spot-defect was employed to realize loss control and couple various structured transverse modes including Hermite-Gaussian modes and Laguerre-Gaussian modes to rays of MAGMs. More interestingly, we experimentally demonstrate that sub-MAGMs can also be coupled to ray-trajectories of MAGMs, and multi-ray geometric modes twisted light can be obtained. This work reveals that the dimension of light field can be further expanded and open perspectives on high-dimensional structured light physics and applications.
引用
收藏
页数：6
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