Edited by: Rainer Kaltenbaek, Rupert Ursin and Markus Aspelmeyer
Space-based tests of fundamental physics have a long history, from early tests of general relativity to more recent missions such as gravity probe B and proposed missions to test the equivalence principle (STE-QUEST) and gravitational decoherence (MAQRO). These more recent proposals make extensive use of quantum technologies, from atomic clocks to weak force sensors. Deploying any technology into space pushes specifications to the limit and this will be especially true for quantum-enabled technologies. Recent advances in space technology as developed for experiments such as LISA and LISA Pathfinder have allowed researchers to optimally harness the space environment for quantum experiments.
This thematic series is dedicated to all aspects of space-based quantum technologies from fundamental physics to quantum communication protocols including proposals for new space-based quantum experiments as well as terrestrial experimental tests of new quantum technologies for space deployment.