Design and numerical optimization of a mode multiplexer based on few-mode fiber couplers

被引：6
作者：
Xie, Yiwei [1 ]
Fu, Songnian [1 ]
Liu, Hai [1 ]
Zhang, Hailiang [1 ]
Tang, Ming [1 ]
Shum, P. [2 ]
Liu, Deming [1 ]
机构：
[1] Huazhong Univ Sci & Technol, Natl Engn Lab Next Generat Internet Access Syst, Sch Opt & Elect Informat, Wuhan 430074, Peoples R China
[2] Nanyang Technol Univ, Photon Ctr Excellence, Singapore 639798, Singapore
来源：
JOURNAL OF OPTICS | 2013年 / 15卷 / 12期
基金：
中国国家自然科学基金;
关键词：
mode division multiplexing; mode multiplexer; few-mode fiber; coupler; OPTICAL-FIBERS; TRANSMISSION; NETWORKS;
D O I：
10.1088/2040-8978/15/12/125404
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Mode division multiplexing (MDM) transmission based on few-mode fibers (FMFs) appears to be an alternative solution for overcoming the capacity limit of single-mode fibers (SMFs). A FMF coupler-based mode division multiplexer/demultiplexer (MMUX/DeMMUX) is proposed and theoretically investigated after the fabricated FMF is characterized. MMUXs/DeMMUXs with a mode contrast ratio (MCR) of more than 20 dB can be obtained for two-mode multiplexing and three-mode multiplexing over a wavelength span of 60 and 10 nm, respectively. We numerically verify the proposed MMUX/DeMMUX which has the advantages of high MCR, easy fabrication and maintenance, and low wavelength dependence.
引用
收藏
页数：6
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