具有160通道低串扰和高RCMF的山丘形折射率16芯光纤

IF 1.8 4区物理与天体物理 Q3 OPTICS

Journal of The Optical Society of America B-optical Physics Pub Date : 2023-11-13 DOI:10.1364/josab.503460

Chun Wang, Shuguang Li, Li Hui, pengshuai shao, Yinpeng Liu

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引用次数: 0

摘要

提出了一种在16芯光纤中可提供160个传输通道的山丘形折射率(HS-RI)结构。HS-RI主要解决了lp21模式和lp02模式之间的大模间串扰问题。利用有限元法得到了优化参数。数值分析表明，C波段各模式的芯间串扰(ICXT)小于−30dB/100km，有效模式折射率差(Δ n eff)大于1×10−3。最小有效模场面积可达89.80µm 2，大大降低了光纤的非线性。最大色散为15.59ps/(nm * km)，在传输过程中极大地保证了信号质量。相对核心复用系数(RCMF)可达65.81，实现了高空分复用率。该光纤可应用于空分复用系统，以增强光纤传输通道和容量。

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A hill-shaped refractive index 16-core fiber with 160 channels of low crosstalk and high RCMF

We present a hill-shaped refractive index (HS-RI) structure in 16-core fiber that can provide 160 channels for the transmission system. The HS-RI mainly settles the issue of the large inter-mode crosstalk (IMXT) between LP 21 mode and LP 02 mode. We obtain the optimized parameters using the finite element method. Numerical analyses reveal that the inter-core crosstalk (ICXT) of all modes is smaller than −30dB/100km in the C band, and the effective mode refractive index difference (Δ n eff ) is more than 1×10 −3 . The minimum effective mode field area can achieve 89.80µm 2 , which greatly reduces the nonlinearity of fiber. The max dispersion is 15.59ps/(nm∗km), which can greatly guarantee signal quality in the transmission process. he relative core multiplexing factor (RCMF) can reach 65.81, which realizes the high space division multiplexing rate. The proposed fiber can be applied to a space division multiplexing system to enhance the fiber transmission channels and capacity.

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来源期刊

Journal of The Optical Society of America B-optical Physics 物理-光学

CiteScore

4.00

自引率

5.30%

发文量

374

审稿时长

2.1 months

期刊介绍： The Journal of the Optical Society of America B (JOSA B) is a general optics research journal that complements JOSA A. It emphasizes scientific research on the fundamentals of the interaction of light with matter such as quantum optics, nonlinear optics, and laser physics. Topics include: Advanced Instrumentation and Measurements Fiber Optics and Fiber Lasers Lasers and Other Light Sources from THz to XUV Light-Induced Phenomena Nonlinear and High Field Optics Optical Materials Optics Modes and Structured Light Optomechanics Metamaterials Nanomaterials Photonics and Semiconductor Optics Physical Optics Plasmonics Quantum Optics and Entanglement Quantum Key Distribution Spectroscopy and Atomic or Molecular Optics Superresolution and Advanced Imaging Surface Optics Ultrafast Optical Phenomena Wave Guiding and Optical Confinement JOSA B considers original research articles, feature issue contributions, invited reviews and tutorials, and comments on published articles.