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Proceedings Paper

The study of large-broadband OAM mode converter based on helical long period fiber grating
Author(s): Min-hui Cheng; Ji-hong Liu; Liu-qian Zhu; Li Yang; Dong-dong Han; Jun Dong; Kai-li Ren
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Paper Abstract

In this paper, for the first time, we propose a large-broadband orbital angular momentum (OAM) mode converter based on helical long period fiber grating (HLPG) working at turning point (TP). Owing to the combination of dual-resonance peaks at TP, an OAM mode converter with 3-dB bandwidth of ~287 nm is readily obtained, and a high coupling efficiency of ~100% is achieved. We believe that this OAM mode converter will play a key role in fiber communication and other fields.

Paper Details

Date Published: 18 December 2019
PDF: 6 pages
Proc. SPIE 11340, AOPC 2019: Optical Fiber Sensors and Communication, 113400J (18 December 2019); doi: 10.1117/12.2542307
Show Author Affiliations
Min-hui Cheng, Xi'an Univ. of Posts and Telecommunications (China)
Ji-hong Liu, Xi'an Univ. of Posts and Telecommunications (China)
Liu-qian Zhu, Univ. of Science and Technology of China (China)
Li Yang, Univ. of Science and Technology of China (China)
Dong-dong Han, Xi'an Univ. of Posts and Telecommunications (China)
Jun Dong, Xi'an Univ. of Posts and Telecommunications (China)
Kai-li Ren, Xi'an Univ. of Posts and Telecommunications (China)


Published in SPIE Proceedings Vol. 11340:
AOPC 2019: Optical Fiber Sensors and Communication
Jie Zhang; Songnian Fu; Jun Yang, Editor(s)

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