Transmission performance of an MDM switching node with FM-EDFAs for high-speed DP-QPSK signals

IF 4 2区计算机科学 Q1 COMPUTER SCIENCE, HARDWARE & ARCHITECTURE

Journal of Optical Communications and Networking Pub Date : 2025-04-14 DOI:10.1364/JOCN.553693

Wei Yan;Baojian Wu;Yuhang Wang;Xiaoshi Lv;Feng Wen;Kun Qiu

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Abstract

Mode division multiplexing (MDM) technology has been extensively investigated for improving the fiber transmission capacity. The researchers have started to devote their energies to multi-dimensional optical switching nodes compatible with spatial modes. We focus on a promising MDM switching node based on wavelength-selective switches and evaluate its crosstalk performance by the power transfer matrix method. The simulation shows that the number of cascaded nodes permitted for error-free transmission exponentially decreases with the crosstalk increase of the mode demultiplexers/multiplexers. An MDM switching node supporting four linearly polarized modes is constructed using homemade four-mode erbium-doped fiber amplifiers for the transmission of 100 Gb/s dual-polarization quadrate phase shift keying signals. The experimental results show that the receiver sensitivity degradation of all channels in DROP, ADD, EXPRESS, and EXCHANGE scenarios is no more than 2, 4.4, 6.4, and 6 dB compared with the back-to-back cases, respectively.

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采用fm - edfa的MDM交换节点对高速DP-QPSK信号的传输性能

模分复用（MDM）技术在提高光纤传输容量方面得到了广泛的研究。研究人员已经开始致力于与空间模式兼容的多维光交换节点。本文重点研究了一种基于波长选择开关的MDM交换节点，并利用功率传输矩阵法对其串扰性能进行了评价。仿真结果表明，允许无差错传输的级联节点数量随着模式解复用器/复用器串扰的增加呈指数递减。采用自制的四模掺铒光纤放大器构建了支持四种线极化模式的MDM交换节点，用于传输100gb /s双极化方形相移键控信号。实验结果表明，与背对背场景相比，DROP、ADD、EXPRESS和EXCHANGE场景下所有信道的接收机灵敏度下降幅度分别不超过2、4.4、6.4和6 dB。

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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来源期刊

Journal of Optical Communications and Networking 工程技术-电信学

CiteScore

9.40

自引率

16.00%

发文量

104

审稿时长

4 months

期刊介绍： The scope of the Journal includes advances in the state-of-the-art of optical networking science, technology, and engineering. Both theoretical contributions (including new techniques, concepts, analyses, and economic studies) and practical contributions (including optical networking experiments, prototypes, and new applications) are encouraged. Subareas of interest include the architecture and design of optical networks, optical network survivability and security, software-defined optical networking, elastic optical networks, data and control plane advances, network management related innovation, and optical access networks. Enabling technologies and their applications are suitable topics only if the results are shown to directly impact optical networking beyond simple point-to-point networks.