Agrell, Erik, Karlsson, Magnus, Poletti, Francesco, Namiki, Shu, Chen, Xi, Rusch, Leslie A., Puttnam, Benjamin, Bayvel, Polina, Schmalen, Laurent, Tao, Zhenning, Kschischang, Frank R., Alvarado, Alex, Mukherjee, Biswanath, Casellas, Ramon, Zhou, Xiang, van Veen, Dora, Mohs, Georg, Wong, Elaine, Mecozzi, Antonio, Alouini, Mohamed Slim, Diamanti, Eleni and Uysal, Murat (2024) Roadmap on optical communications. Journal of Optics (United Kingdom), 26 (9), [093001]. (doi:10.1088/2040-8986/ad261f).
Abstract
The Covid-19 pandemic showed forcefully the fundamental importance broadband data communication and the internet has in our society. Optical communications forms the undisputable backbone of this critical infrastructure, and it is supported by an interdisciplinary research community striving to improve and develop it further. Since the first ‘Roadmap of optical communications’ was published in 2016, the field has seen significant progress in all areas, and time is ripe for an update of the research status. The optical communications area has become increasingly diverse, covering research in fundamental physics and materials science, high-speed electronics and photonics, signal processing and coding, and communication systems and networks. This roadmap describes state-of-the-art and future outlooks in the optical communications field. The article is divided into 20 sections on selected areas, each written by a leading expert in that area. The sections are thematically grouped into four parts with 4-6 sections each, covering, respectively, hardware, algorithms, networks and systems. Each section describes the current status, the future challenges, and development needed to meet said challenges in their area. As a whole, this roadmap provides a comprehensive and unprecedented overview of the contemporary optical communications research, and should be essential reading for researchers at any level active in this field.
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