LP01-LP11 Cross-Mode Interference in a Chirped Grating Inscribed in Two-Mode Fiber

被引：2
|
作者：
Lim, Kok-Sing [1 ]
Islam, Md. Rajibul [1 ]
Lee, Yen-Sian [1 ]
Yang, Hang-Zhou [2 ]
Ahmad, Harith [1 ]
机构：
[1] Univ Malaya, Fac Sci, Dept Phys, Photon Res Ctr, Kuala Lumpur 50603, Malaysia
[2] Northwest Univ, Sch Phys, Xian 710069, Peoples R China
来源：
IEEE JOURNAL OF QUANTUM ELECTRONICS | 2016年 / 52卷 / 06期
基金：
中国国家自然科学基金;
关键词：
Bragg gratings; coupled mode analysis; few-mode fibers; CO2-LASER PULSES; OPTICAL-FIBERS; BRAGG GRATINGS; CONVERSION; STRESS;
D O I：
10.1109/JQE.2016.2564679
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：
We have demonstrated LP01-LP11 cross-mode interference in a single chirped grating (CG) inscribed in a two-mode fiber (TMF). With the aid of a binary phase plate, LP01 mode and LP11 mode can be selectively excited in the CG. By offsetting the position of the phase plate from the center of the input beam, we can simultaneously excite both the spatial modes at different LP01: LP11 intensity ratios in the TMF. The excited modes lead to the formation of different interference patterns in the output spectra. The measured output spectra are found to be in good agreement with the simulation based on a coupled mode theory.
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收藏
页数：6
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