On the road to 6G: Visions, requirements, key technologies, and testbeds

CX Wang, X You, X Gao, X Zhu, Z Li… - … Surveys & Tutorials, 2023 - ieeexplore.ieee.org
Fifth generation (5G) mobile communication systems have entered the stage of commercial
deployment, providing users with new services, improved user experiences as well as a host …

Coherent free-space optical communications: Opportunities and challenges

FP Guiomar, MA Fernandes, JL Nascimento… - Journal of Lightwave …, 2022 - opg.optica.org
The ever-increasing data rate demand for wireless systems is pushing the physical limits of
standalone radio-frequency communications, thus fostering the blooming of novel high …

Underwater and water-air optical wireless communication

LK Chen, Y Shao, Y Di - Journal of Lightwave Technology, 2022 - opg.optica.org
Optical communication has been employed in a wide range of applications, including
terrestrial, submarine, inter-satellite, and even space communication. It is particularly …

New generation free-space optical communication systems with advanced optical beam stabilizer

A Bekkali, H Fujita, M Hattori - Journal of Lightwave Technology, 2022 - opg.optica.org
In this paper, we introduce a novel concept and design of a full-duplex and all-optical FSO
transceiver and evaluate its transmission performance in 200 m outdoor environment. Our …

Free-space terabit optical interconnects

MA Fernandes, PP Monteiro… - Journal of Lightwave …, 2022 - opg.optica.org
The continuous growth of Internet data traffic is progressively increasing the pressure over
wireless access technologies. To overcome the imminent bandwidth bottleneck, free-space …

Beyond 5G fronthaul based on FSO using spread spectrum codes and graphene modulators

D Neves, A Sanches, R Nobrega, H Mrabet, I Dayoub… - Sensors, 2023 - mdpi.com
High data rate coverage, security, and energy efficiency will play a key role in the continued
performance scaling of next-generation mobile systems. Dense, small mobile cells based on …

Proposal and demonstration of free-space optical communication using photonic crystal surface-emitting lasers

S Ishimura, R Morita, T Inoue, K Nishimura… - Journal of Lightwave …, 2023 - opg.optica.org
We propose and demonstrate free-space optical (FSO) communication using photonic
crystal surface-emitting lasers (PCSELs). Unlike other types of conventional semiconductor …

Demonstration of a real-time 14 Tb/s multi-aperture transmit single-aperture receive FSO system with class 1 eye-safe transmit intensity

K Matsuda, M Binkai, S Koshikawa… - Journal of Lightwave …, 2022 - opg.optica.org
To achieve a link budget capable of supporting high capacity free space optical
communication (FSO), a high transmit power is required. However, the transmitter can …

4 Tbps+ FSO field trial over 1.8 km with turbulence mitigation and FEC optimization

MA Fernandes, GM Fernandes… - Journal of Lightwave …, 2024 - ieeexplore.ieee.org
The future of wireless communication requires the unique capabilities of free-space optics
(FSO). Therefore, it is crucial to develop methods for achieving reliable long-distance FSO …

Quantum Key Distribution for V2I communications with software‐defined networking

A Stavdas, E Kosmatos, C Maple… - IET Quantum …, 2024 - Wiley Online Library
The evolution of Connected and Autonomous Vehicles (CAVs) promises improvements in
our travel experience and the potential to enhance road safety and reduce environmental …