Free-space optical (FSO) communication technologies constitute a solution to cope with the
bandwidth demand of future satellite-ground networks. They may overcome the RF …

Quantum secure direct communication (QSDC) is a unique technique, which supports the
secure transmission of confidential information directly through a quantum channel without …

The capacity and geographical coverage of the global communications network continue to
expand. One consequence of this expansion is a steady growth in the overall energy …

Starting with capacity and sensitivity-constrained transport (fiber-optic networks, satellite
links), optics is steadily replacing electronics, progressing into implementation-constrained …

Abstract Space communication for deep-space missions, inter-satellite data transfer and
Earth monitoring requires high-speed data connectivity. The reach is fundamentally dictated …

With a large number of deep space (DS) missions anticipated by the end of this decade,
reliable and high-capacity DS communications are needed more than ever. Nevertheless …

A burst-mode phase shift keying (PSK) communications system according to an embodiment
of the present invention enables practical, power-efficient, multi-rate communications …

Presently, classical optical communication systems employing strong laser pulses and
quantum key distribution (QKD) systems working at single-photon levels are very different …

For increasing the data rate and reducing the power consumption in satellite communication
systems, free-space optical communication technology has been verified as an attractive …

A pilot-carrier coherent low-earth-orbit (LEO) satellite to ground (LEO-to-Ground) downlink
system using an optical injection phase lock loop (OIPLL) technique is proposed and its …