Polarization Transmission Matrix for Completely Polarization Control of Focal Spots in Speckle Field of Multimode Fiber

被引：18
|
作者：
Fan, Weiru [1 ]
Chen, Ziyang [1 ]
Chen, Li [1 ]
Wu, Liqing [1 ]
Ji, Xuanxuan [1 ]
Pu, Jixiong [1 ]
机构：
[1] Huaqiao Univ, Fujian Key Lab Light Propagat & Transformat, Coll Informat Sci & Engn, Xiamen 361021, Fujian, Peoples R China
来源：
IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS | 2020年 / 26卷 / 04期
基金：
中国国家自然科学基金;
关键词：
Polarization; Speckle; Transmission Matrix; Multimode fiber; Focus; SCATTERED-LIGHT; GENERATION; EFFICIENCY; PATTERN; MEDIA;
D O I：
10.1109/JSTQE.2020.2964397
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The propagation of light transmitting through a scattering medium generates random speckle. Transmission matrix (TM) is introduced to describe this transmission process. In general, only scalar TM is considered. Meanwhile, for a non-polarization maintaining multimode fiber (MMF), depolarization effect is extremely strong. Therefore, the field at the exit end of a MMF is a speckle with random distribution not only in terms of intensity but also polarization. In addition to traditional TM, we propose polarization TM (PTM) to describe the depolarization effect of a MMF. Based on PTM, the speckle pattern formed by a coherent light transmitting through a MMF can be modulated into one focal spot or multiple focal spots with desired polarization.
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页数：5
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