100 Gb/s/λ polarization multiplexing PON downlink based on simplified heterodyne coherent reception

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

Journal of Optical Communications and Networking Pub Date : 2024-11-27 DOI:10.1364/JOCN.530478

David Izquierdo;Miguel Barrio;Pascual Sevillano;Jose A. Altabas;Ignacio Garces

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引用次数: 0

Abstract

In this work, we experimentally demonstrate a ${100}\;{\rm Gb/s/}\lambda$ downstream transmission link for coherent passive optical networks (PONs) up to 50 km, achieving an optical power budget of 29 dB through polarization multiplexing (PolMux) of two 50 Gb/s channels using multiband carrierless amplitude phase modulation (multiCAP) and optical single side band (OSSB) modulation. Additionally, we introduce a separate PolMux 50 Gb/s link that presents an optical power budget of 38.7 dB. Both links have been achieved using a simplified polarization-demultiplexing heterodyne coherent receiver. The robustness of the system is experimentally evaluated by analyzing its response to various input states of polarization. The transmission has been accomplished using 10 GHz electrical bandwidth devices at both the transmission and receiving ends, thereby paving the way for low-cost 100G links suitable for applications such as PONs.

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基于简化外差相干接收的 100 Gb/s/λ 偏振多路复用 PON 下行链路

在这项工作中，我们通过实验演示了用于相干无源光网络（PON）的 ${100}\;{\rm Gb/s/}\lambda$ 下行传输链路，传输距离可达 50 千米，通过使用多频带无载波振幅相位调制（multiCAP）和光单边带（OSSB）调制对两个 50 Gb/s 信道进行偏振复用（PolMux），实现了 29 dB 的光功率预算。此外，我们还引入了单独的 PolMux 50 Gb/s 链路，其光功率预算为 38.7 dB。这两条链路都是通过简化的偏振解复用外差相干接收器实现的。通过分析系统对各种偏振输入状态的响应，对系统的稳健性进行了实验评估。传输和接收端都使用了 10 GHz 电带宽设备，从而为适合 PON 等应用的低成本 100G 链路铺平了道路。

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.