Even though social relationships with others are active or passive, they are either discontinued or nearly not connected, even though seemingly ordinary communication seems to be underway, even in the ...

WASHINGTON — Global communications company Viasat announced Feb. 29 it has signed an agreement with defense prime contractor Northrop Grumman to support an Air Force Research Laboratory (AFRL) ...

Communications using a light beam isn’t a new idea, even outside of “Star Trek,” “Star Wars” and other similar tales of fantasy. Scientist and science fiction writer Arthur Clarke forecasted ...

It’s been quite a year for laser communications in space. In October and November, NASA launched two pioneering demonstrations to test high-bandwidth optical communication links, and these tech demos ...

Figure 1: Schematic of a quantum key distribution system. The transmitter (Alice) and receiver (Bob) generate composable keys by transmitting quantum states over an insecure quantum channel, ...