The evolution of quantum key distribution networks: On the road to the qinternet

Y Cao, Y Zhao, Q Wang, J Zhang… - … Surveys & Tutorials, 2022 - ieeexplore.ieee.org
Quantum key distribution (QKD) constitutes a symmetric secret key negotiation protocol
capable of maintaining information-theoretic security. Given the recent advances in QKD …

Metropolitan optical networks: A survey on single-layer architectures

LS de Sousa, AC Drummond - Optical Switching and Networking, 2023 - Elsevier
Metropolitan optical networks are undergoing significant transformations to continue being
able to provide services that meet the requirements of the applications of the future. The …

Lightwave fabrics: at-scale optical circuit switching for datacenter and machine learning systems

H Liu, R Urata, K Yasumura, X Zhou… - Proceedings of the …, 2023 - dl.acm.org
We describe our experience develo** what we believe to be the world's first large-scale
production deployments of lightwave fabrics used for both datacenter networking and …

Blind equalization and channel estimation in coherent optical communications using variational autoencoders

V Lauinger, F Buchali… - IEEE Journal on Selected …, 2022 - ieeexplore.ieee.org
We investigate the potential of adaptive blind equalizers based on variational inference for
carrier recovery in optical communications. These equalizers are based on a low-complexity …

Resource allocation in space division multiplexed elastic optical networks secured with quantum key distribution

EE Moghaddam, H Beyranvand… - IEEE Journal on …, 2021 - ieeexplore.ieee.org
Elastic Optical Network (EON) is a promising solution to address the high capacity, low
latency, and flexibility requirements of the upcoming 5th-generation (5G) networks …

Mission Apollo: landing optical circuit switching at datacenter scale

R Urata, H Liu, K Yasumura, E Mao, J Berger… - arxiv preprint arxiv …, 2022 - arxiv.org
In this paper, we describe Apollo, to the best of our knowledge, the world's first large-scale
production deployment of optical circuit switches (OCSes) for datacenter networking. We will …

ML-based spectral power profiles prediction in presence of ISRS for ultra-wideband transmission

AMR Brusin, A Nespola, MR Zefreh… - Journal of lightwave …, 2023 - ieeexplore.ieee.org
A generalized method based on machine learning (ML) and artificial neural networks
(ANNs) is proposed for a fast and accurate prediction of spectral and spatial evolution of …

Machine learning classification and regression approaches for optical network traffic prediction

D Szostak, A Włodarczyk, K Walkowiak - Electronics, 2021 - mdpi.com
Rapid growth of network traffic causes the need for the development of new network
technologies. Artificial intelligence provides suitable tools to improve currently used network …

Fifty years of fixed optical networks evolution: a survey of architectural and technological developments in a layered approach

D Uzunidis, M Logothetis, A Stavdas, D Hillerkuss… - Telecom, 2022 - mdpi.com
Over the past fifty years, telecommunications has transformed, in an unprecedented manner,
the way we live, work and communicate. For telecommunications, fixed networks are the one …

Testing the minimum system entropy and the quantum of entropy

U Hohm, C Schiller - Entropy, 2023 - mdpi.com
Experimental and theoretical results about entropy limits for macroscopic and single-particle
systems are reviewed. All experiments confirm the minimum system entropy S⩾ k ln 2. We …