Design and demonstration of single-mode operation in few-mode optical fiber with low-bending loss

Single-mode operation with low-bending loss based on few-mode optical fiber is investigated. The fiber is designed with a group of ring modes in the cladding. The higher-order modes in the fiber can be eliminated by splicing with the single-mode optical fiber and bending the fiber to induce a strong...

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Bibliographic Details
Published in:Optical engineering 2017-01, Vol.56 (1), p.016103-016103
Main Authors: Wang, Hua, Chen, Ming-Yang, Zhu, Yuan-Feng, Li, Shen-Yi, Yin, Ping, Wu, Xiao-Sheng, Li, Ren-Hua, Cai, Zhi-Min, Fu, Ping-Ping, Qin, Hong, Wei, Jin
Format: Article
Language:English
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Summary:Single-mode operation with low-bending loss based on few-mode optical fiber is investigated. The fiber is designed with a group of ring modes in the cladding. The higher-order modes in the fiber can be eliminated by splicing with the single-mode optical fiber and bending the fiber to induce a strong coupling between the ring modes and the higher-order modes. Experimental results show that the bending losses of the LP01 mode can be lower than 0.001  dB/turn for a low-bending radius of 7.5 mm. The low-bending loss and the low splicing loss characteristics are also demonstrated. The proposed fiber can be bent multiple turns with a small bending radius which is preferable for fiber-to-the-home-related applications.
ISSN:0091-3286
1560-2303
DOI:10.1117/1.OE.56.1.016103