Accommodation of a quantum communication transceiver in an optical terminal

the implementation of quantum communication schemes using free space links between a spacecraft and optical ground stations enables novel telecom applications (with worldwide coverage) such as quantum key distribution. It is also a crucial technology for new fundamental tests of quantum physics. The ESA’s General Study ACCOM investigates the adaptation and the accommodation of a quantum communication transceiver in a classical optical terminal. Furthermore, preliminary analysis shows the feasibility of accommodating the complete quantum communications terminal (QCT) on the ISS, in view of a potential future space-to-ground demonstration.