Mode-Dependent Crosstalk Penalty in Few-Mode Multi-Core Fiber Transmission

2019 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC) Pub Date : 2019-10-17 DOI:10.1109/CLEOE-EQEC.2019.8871711

G. Rademacher, B. Puttnam, R. Luís, A. Ross-Adams, S. Gross, M. Withford, N. Riesen, Y. Sasaki, H. Furukawa, K. Saitoh, K. Aikawa, Y. Awaji, N. Wada

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引用次数: 1

Abstract

Space-division multiplexing (SDM) in few-mode multi-core fibers (FM-MCF) allows the transmission of multi-petabit/s data-rates over a single optical fiber. Recently, transmission of more than 1.2 Pbit/s was demonstrated in a FM-MCF with a cladding diameter of 160 μm, compatible with the standard coating diameter of 250 μm [1]. When increasing the core density in FM-MCF or the transmission distance, inter-core crosstalk can limit the achievable data rates. Inter-core crosstalk is strongly wavelength-dependent and higher-order modes in FM-MCF are expected to show a larger crosstalk penalty compared to the fundamental mode, as their mode fields extend farther into the cladding [2]. In this paper, we present an experimental investigation of the crosstalk-induced Q-factor degradation of 16-Quadrature amplitude modulation (16-QAM) signals, transmitted over a four-core three-mode fiber.

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少模多芯光纤传输中的模相关串扰惩罚

在少模多芯光纤(FM-MCF)中的空分多路复用(SDM)允许在单个光纤上传输数pb /s的数据速率。最近，在包层直径为160 μm的FM-MCF中证明了超过1.2 Pbit/s的传输，与标准涂层直径250 μm[1]兼容。当增加FM-MCF的芯密度或传输距离时，芯间串扰会限制可实现的数据速率。核间串扰具有很强的波长依赖性，与基模相比，FM-MCF中的高阶模将表现出更大的串扰惩罚，因为它们的模场延伸到包层中更远。在本文中，我们提出了通过四芯三模光纤传输的16正交调幅(16-QAM)信号的串扰诱导q因子退化的实验研究。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2019 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC)

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