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Multilayer-core fiber with a large mode area and a low bending loss

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Abstract

We present a single-mode multilayer-core fiber with a large mode area (LMA) and a low bending loss in this Letter. A low equivalent core-cladding refractive index difference is achieved by exploiting the multilayer structure. The multilayer structure has a better bending performance than a traditional step-index core and this structure also contributes to realizing different curved refractive index profiles that have a better bending performance. An index trench is also introduced to dramatically reduce the bending loss. The experimental results show that, at a wavelength of 1550 nm, the mode area of the fabricated fiber is about 215.5 μm2 and the bending loss is 0.58 dB/turn at a 10 mm bending radius. The LMA and excellent bending performance can be obtained simultaneously with the proposed fiber.

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DOI:10.3788/col201614.120601

所属栏目:Fiber optics and optical communication

收稿日期:2016-07-22

录用日期:2016-10-14

网络出版日期:2016-11-16

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Youchao Jiang:Key Lab of All Optical Network &Advanced Telecommunication Network of EMC, Beijing Jiaotong University, Beijing 1 00044, ChinaInstitute of Lightwave Technology, Beijing Jiaotong University, Beijing 100044, China
Guobin Ren:Key Lab of All Optical Network &Advanced Telecommunication Network of EMC, Beijing Jiaotong University, Beijing 1 00044, ChinaInstitute of Lightwave Technology, Beijing Jiaotong University, Beijing 100044, China
Yudong Lian:Key Lab of All Optical Network &Advanced Telecommunication Network of EMC, Beijing Jiaotong University, Beijing 1 00044, ChinaInstitute of Lightwave Technology, Beijing Jiaotong University, Beijing 100044, China
Yu Liu:Key Lab of All Optical Network &Advanced Telecommunication Network of EMC, Beijing Jiaotong University, Beijing 1 00044, ChinaInstitute of Lightwave Technology, Beijing Jiaotong University, Beijing 100044, China
Huaiqing Liu:Key Lab of All Optical Network &Advanced Telecommunication Network of EMC, Beijing Jiaotong University, Beijing 1 00044, ChinaInstitute of Lightwave Technology, Beijing Jiaotong University, Beijing 100044, China
Haisu Li:Key Lab of All Optical Network &Advanced Telecommunication Network of EMC, Beijing Jiaotong University, Beijing 1 00044, ChinaInstitute of Lightwave Technology, Beijing Jiaotong University, Beijing 100044, China
Wenhua Ren:Key Lab of All Optical Network &Advanced Telecommunication Network of EMC, Beijing Jiaotong University, Beijing 1 00044, ChinaInstitute of Lightwave Technology, Beijing Jiaotong University, Beijing 100044, China
Wei Jian:Key Lab of All Optical Network &Advanced Telecommunication Network of EMC, Beijing Jiaotong University, Beijing 1 00044, ChinaInstitute of Lightwave Technology, Beijing Jiaotong University, Beijing 100044, China
and Shuisheng Jian:Key Lab of All Optical Network &Advanced Telecommunication Network of EMC, Beijing Jiaotong University, Beijing 1 00044, ChinaInstitute of Lightwave Technology, Beijing Jiaotong University, Beijing 100044, China

联系人作者:联系作者(gbren@bjtu.edu.cn)

备注:This work was supported by the National Natural Science Foundation of China under Grant Nos. 61178008, 61275092, and 61405008.Reference1. E. Ji, Q. Liu, Z. Hu, P. Yan, and M. Gong, Chin. Opt. Lett. 13, 121402 (2015).2. S. Zheng, G. Ren, Z. Lin, W. Jian, and S. Jian, Opt. Commun. 315, 317 (2014).3. Z. Wang, Q. Li, Z. Wang, F. Zou, Y. Bai, S. Feng, and J. Zhou, Chin. Opt. Lett. 14, 081401 (2016).4. B. Dussardier, V. Rastogi, A. Kumar, and G. Monnom, Appl. Opt. 50, 3118 (2011).5. D. Jain, C. Baskiotis, and J. K. Sahu, Opt. Express 21, 26663 (2013).6. H. Li, G. Ren, B. Yin, Y. Lian, Y. Bai, W. Jian, and S. Jian, Opt. Commun. 352, 84 (2015).7. K. Himeno, S. Matsuo, and N. Guan, J. Lightwave Technol. 23, 3494 (2005).8. G. Ren, Z. Lin, S. Zheng, and S. Jian, Opt. Lett. 38, 781 (2013).9. Z. Lin, G. Ren, S. Zheng, W. Jian, and S. Jian, Appl. Opt. 53, 1110 (2014).COL201614120601.pdf

引用该论文

Youchao Jiang, Guobin Ren, Yudong Lian, Yu Liu, Huaiqing Liu, Haisu Li, Wenhua Ren, Wei Jian, and Shuisheng Jian, "Multilayer-core fiber with a large mode area and a low bending loss," Chinese Optics Letters 14(12), 120601 (2016)

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