![]() ![]() It predicts effects like Hawking radiation from black holes, and, with extension to semi-classical gravity, provides the theoretical framework for inflationary cosmology which foretells a spatially-flat universe. Quantum Field Theory in Curved Spacetime (QFTCST), established in the 1970’s, is the most reliable theory combining two well-established theories: quantum field theory for matter and general relativity for spacetime dynamics. One or more nodes of a DSQL network could deploy on deep space platforms, such as the Lunar Gateway (LG) or Orion modules.Ī key challenge of contemporary physics is the reconciliation of gravity and quantum mechanics. DSQL is currently in the pre-project developmental phase, with expected mission integration planned to begin in the late 2020’s. This manuscript describes the findings of the NASA-funded study, and describes some of the technology requirements and outstanding mission design studies necessary to move forward with the mission. The authors of this manuscript engaged in a two-year long study of how quantum optics in space could be used to conduct new tests of fundamental physics, in compliment to proposed tests utilizing matter or clocks. The Deep Space Quantum Link (DSQL) is a spacecraft mission concept that aims to use extremely long-baseline quantum optical links to test fundamental quantum physics in novel special and general relativistic regimes. In addition, such links enable new scientific experiments impossible to reach in terrestrial experiments. ![]() ![]() Space-based quantum optical links support future networking applications for quantum sensing, quantum communications, and quantum information science. ![]()
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