Let’s think of the last time you sent data without wires. We’re not talking WiFi here, but plain optical signals. Free-space optical communication, or FSO, is an interesting and easy way to transmit ...

Astrolight CEO Laurynas Mačiulis explains how laser satellite communication could ease spectrum congestion, increase data capacity, and raise new engineering and policy questions for space ...

Figure 1: NICT's 7.4 km, 2 Tbit/s horizontal propagation experiment (April 2025). The ST terminal was used as the transmitter and the FX terminal as the receiver. The terminals exchanged pseudo-random ...

Four parties will verify bidirectional communication by equipping optical wireless communication devices on Low Earth Orbit satellites and HAPS. The National Institute of Information and ...