Chinese Optics Letters, 2016, 14 (12): 120601, Published Online: Aug. 2, 2018
Multilayer-core fiber with a large mode area and a low bending loss
Figures & Tables
Fig. 2. (a) Uniform high-index layer MLCF with parameters Δ 1 = 0.0021 , a 1 = 1 μm , and a 2 = 1 μm . (b) An SIF with core radius 10 μm and Δ = 0.00115 . (c) A bending loss comparison between MLCF and SIF.
Fig. 3. (a) Uniform high-index layer MLCF with parameters Δ 1 = 0.0021 , a 1 = 1 μm , and a 2 = 1 μm . (b) A curved RIP MLCF obtained from Eq. (6 ) with Δ 11 = 0.004 . (c) A bending loss comparison between the MLCFs in (a) and (b).
Fig. 4. Bending loss evolution as a function of core-trench separation b with a bending radius of 10 mm at a wavelength of 1550 nm.
Fig. 5. (a) b A evolution as a function of the bending radius. (b) The bending loss evolution as a function of the bending radius, with different b A at 1550 nm [the r in the legend denotes the bending radius in (a)]. (c) The b A evolution as a function of the trench index for different widths.
Fig. 6. Bending loss comparison between the MLCF with a trench and the MLCF without a trench.
Fig. 10. Comparison of the bending losses between the fabricated MLCF and the SMF-28 fiber at 1310 and 1550 nm. The curves and markers represent the results of the simulation and the measurement, respectively.
Table1. Attributes of MLCF and SMF–28 Fiber
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Youchao Jiang, Guobin Ren, Yudong Lian, Yu Liu, Huaiqing Liu, Haisu Li, Wenhua Ren, Wei Jian, Shuisheng Jian. Multilayer-core fiber with a large mode area and a low bending loss[J]. Chinese Optics Letters, 2016, 14(12): 120601.