Design, fabrication, and characterization of a highly nonlinear few-mode fiber

被引:15
|
作者
Gao, Jitao [1 ,2 ]
Nazemosadat, Elham [3 ]
Yang, Chen [4 ]
Fu, Songnian [1 ,2 ]
Tang, Ming [1 ,2 ]
Tong, Weijun [4 ]
Carpenter, Joel [5 ]
Schroder, Jochen [3 ]
Karlsson, Magnus [3 ]
Andrekson, Peter A. [3 ]
机构
[1] Huazhong Univ Sci & Technol, Wuhan Natl Lab Optoelect, Wuhan 430074, Hubei, Peoples R China
[2] Huazhong Univ Sci & Technol, Sch Opt & Elect Informat, Wuhan 430074, Hubei, Peoples R China
[3] Chalmers Univ Technol, Dept Microtechnol & Nanosci, Photon Lab, S-41296 Gothenburg, Sweden
[4] Yangtze Opt Fiber & Cable Joint Stock Ltd Co YOFC, State Key Lab Opt Fiber & Cable Manufacture Techn, Wuhan 430073, Hubei, Peoples R China
[5] Univ Queensland, Sch Informat Technol & Elect Engn, Brisbane, Qld 4072, Australia
基金
中国国家自然科学基金; 国家重点研发计划; 瑞典研究理事会;
关键词
INDEX; CONVERSION; GENERATION;
D O I
10.1364/PRJ.7.001354
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We present the design, fabrication, and characterization of a highly nonlinear few-mode fiber (HNL-FMF) with an intermodal nonlinear coefficient of 2.8 (W . km)(-1), which to the best of our knowledge is the highest reported to date. The graded-index circular core fiber supports two mode groups (MGs) with six eigenmodes and is highly doped with germanium. This breaks the mode degeneracy within the higher-order MG, leading to different group velocities among corresponding eigenmodes. Thus, the HNL-FMF can support multiple intermodal four-wave mixing processes between the two MGs at the same time. In a proof-of-concept experiment, we demonstrate simultaneous intermodal wavelength conversions among three eigenmodes of the HNL-FMF over the C band. (C) 2019 Chinese Laser Press
引用
收藏
页码:1354 / 1362
页数:9
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