As the second issue in 2020 of the Optical Communications and Networks Series (OCNS), this series selects articles that cover interesting advances on devices, systems and networks regarding optical communications and networking. We are pleased to witness active innovations in this area, which will make the data exchange and processing in the future Internet more adaptive, application- aware, and cost-eff ective. For this issue, we have selected four contributions that address (i) interleaved data converter architectures for future high-speed fiber optical communications; (ii) improved modulation designs for visible light communications; (iii) new bandwidth allocation schemes for supporting green fog integration in next-generation optical access networks; and (iv) a techno-economic study on optical network disaggregation employing open-source software business models.

中文翻译：

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光学通讯和网络

作为2020年《光通信和网络系列》（OCNS）的第二期，本系列选择的文章涵盖了有关光通信和网络的设备，系统和网络的有趣进展。我们很高兴看到这一领域的积极创新，这将使未来互联网中的数据交换和处理更具适应性，应用意识和成本效益。对于这个问题，我们选择了四个方面来解决（i）交错数据转换器架构，以用于未来的高速光纤通信；（ii）改善可见光通信的调制设计；（iii）新的带宽分配方案，以支持下一代光接入网中的绿色雾融合；