Experimental verification of fiber coupling characteristics for FSO downlinks from the International Space Station

PV Trinh, DR Kolev, K Shiratama… - Optics …, 2023 - opg.optica.org
Free-space optical (FSO) systems are compulsory to realize high capacity and interference-
free communication links from low-Earth orbit (LEO) satellite constellations as well as …

[HTML][HTML] The VISION–Concept of laser crosslink systems using nanosatellites in formation flying

GN Kim, SY Park, S Seong, J Lee, S Choi, YE Kim… - Acta Astronautica, 2023 - Elsevier
Spaceborne data can be seamlessly handled using a laser-communication system that
enables super-high-speed data transfers, greater than or equal to 1 Gbps, and provides …

Latest developments in the field of optical communications for small satellites and beyond

DR Kolev, A Carrasco-Casado, PV Trinh… - Journal of Lightwave …, 2023 - ieeexplore.ieee.org
In this article, we introduce our vision for the future non-terrestrial networks beyond 5G and
discuss the possible implementation scenarios for free-space optical communication …

Availability, outage, and capacity of spatially correlated, Australasian free-space optical networks

M Birch, JR Beattie, F Bennet, N Rattenbury… - Journal of Optical …, 2023 - opg.optica.org
Network capacity and reliability for free space optical communication (FSOC) is strongly
driven by ground station availability, which is dominated by local cloud cover causing an …

NICT's versatile miniaturized lasercom terminals for moving platforms

A Carrasco-Casado, K Shiratama… - … on Space Optical …, 2022 - ieeexplore.ieee.org
With the goal of meeting the diverse requirements of many different types of platforms,
ranging from small drones to big satellites, and being applied in a variety of diverse …

Passively Q-switched Er3+-doped fiber laser based on double-transition metal MAX phase TiNbAlC saturable absorber

B Zhao, H Zhang, R Ma, Z Li, P Wang - Journal of Applied Physics, 2023 - pubs.aip.org
We demonstrated a stable passively Q-switched fiber laser operation at 1531.57 nm using a
double-transition metal MAX phase TiNbAlC saturable absorber. The prepared saturable …

[HTML][HTML] Prototype Development and Validation of a Beam-Divergence Control System for Free-Space Laser Communications

A Carrasco-Casado, K Shiratama, D Kolev… - Frontiers in …, 2022 - frontiersin.org
Being able to dynamically control the transmitted-beam divergence can bring important
advantages in free-space optical communications. Specifically, this technique can help to …

[HTML][HTML] Ground-to-drone optical pulse position modulation demonstration as a testbed for lunar communications

SFE Karpathakis, BP Dix-Matthews, SM Walsh… - Drones, 2023 - mdpi.com
Free-space optical (FSO) communication promises to bring fibre-like speeds to data
transmissions between ground, sky and space. This is becoming more important in light of …

Pointing-error correction of optical communication terminals on motion platforms using a parameter model and kernel weight function estimation

C Peng, D He, Y Wang, Z Wang, Y Huang, T Zhang… - Applied Optics, 2023 - opg.optica.org
Optical communication terminals (OCTs) with high pointing accuracy on motion platforms
are highly important for establishing a global communication network. The pointing accuracy …

A New Method to Evaluate the Reliability of Multistate Information Networks

F Wang, H Cui, WC Yeh, M Zhu… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
Multistate information networks (MINs) are the basis of many modern communication
networks, and the reliability evaluation of MINs not only contributes to the structural design of …