5 January 2017 Design and demonstration of single-mode operation in few-mode optical fiber with low-bending loss
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Abstract
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 LP 01 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.
© 2017 Society of Photo-Optical Instrumentation Engineers (SPIE)
Hua Wang, Ming-Yang Chen, Yuan-Feng Zhu, Shen-Yi Li, Ping Yin, Xiao-Sheng Wu, Ren-Hua Li, Zhi-Min Cai, Ping-Ping Fu, Hong Qin, Jin Wei, "Design and demonstration of single-mode operation in few-mode optical fiber with low-bending loss," Optical Engineering 56(1), 016103 (5 January 2017). https://doi.org/10.1117/1.OE.56.1.016103 . Submission: Received: 19 September 2016; Accepted: 7 December 2016
Received: 19 September 2016; Accepted: 7 December 2016; Published: 5 January 2017
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