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 …

Free-space optical (FSO) communication technology is a promising approach to establish a
secure wireless link, which has the advantages of excellent directionality, large bandwidth …

Free-space optical (FSO) communication has gained much interest due to its capability of
providing not only a cost-efficient solution where the optical fiber is too expensive or too …

High dynamic and wide range frequency offset in satellite-to-ground coherent optical
communication system caused by Doppler frequency shift, transceiver laser frequency offset …

Collecting light using multiple small apertures offers a lot of advantages over doing so using
a single large aperture, including the effective mitigation of scintillation under strong …

Coherent digital combining technology using multiple small apertures has a lot of
advantages over doing so with a single large aperture, including the effective mitigation of …

To establish a reliable and ultra-high-data-rate link, this letter presents a hybrid terahertz
(THz)/free space optical (FSO) system, where the data is transmitted simultaneously over …

We present a newly developed resonant cavity 4-λ integrated two-dimensional 4× 4
photodetector array (2D-PDA) device and its application for a wavelength-division …

We show two experiment setups to verify the applicability of WDM (wavelength division
multiplexing)-RoFSO (Radio-over-Free-Space Optics) system:(i) transmission of images files …

Security-enhanced 10Gbit/s DP PSK Y-00 cipher transmission is demonstrated with
deliberate signal randomization driven by quantum random number generator in free space …