Enhancing the optical communication telescope laboratory (OCTL) to support quantum communications between Earth and space

Alexander Lohrmann; Ioana Craiciu; Kittrin T. Matthews; Gerardo G. Ortiz; Lewis C. Roberts; W. Thomas Roberts; Ryan Rogalin; Dmitrios Antsos; Matthew D. Shaw; Makan Mohageg

doi:10.1117/12.2691440

13 March 2024 Enhancing the optical communication telescope laboratory (OCTL) to support quantum communications between Earth and space

Alexander Lohrmann, Ioana Craiciu, Kittrin T. Matthews, Gerardo G. Ortiz, Lewis C. Roberts, W. Thomas Roberts, Ryan Rogalin, Dmitrios Antsos, Matthew D. Shaw, Makan Mohageg

Author Affiliations +

Proceedings Volume 12911, Quantum Computing, Communication, and Simulation IV; 1291104 (2024) https://doi.org/10.1117/12.2691440
Event: SPIE Quantum West, 2024, San Francisco, California, United States

Abstract

We report on the design and development of a quantum backend for an optical ground station for space-based quantum communication and science experiments. The quantum backend will enable the Optical Communication Telescope Laboratory (OCTL) to establish links with quantum satellites in the future. We aim to test this quantum enabled ground station with upcoming satellite Quantum Key Distribution (QKD) missions. We present measurements of the ground station properties that are relevant for future quantum links. Specifically, we discuss the polarization disturbance imposed by the optical communication telescope and present mitigation strategies in the form of polarization control systems. In addition to the optical design, we also present an end-to-end QKD model that is used to guide the development.

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Alexander Lohrmann, Ioana Craiciu, Kittrin T. Matthews, Gerardo G. Ortiz, Lewis C. Roberts, W. Thomas Roberts, Ryan Rogalin, Dmitrios Antsos, Matthew D. Shaw, and Makan Mohageg "Enhancing the optical communication telescope laboratory (OCTL) to support quantum communications between Earth and space", Proc. SPIE 12911, Quantum Computing, Communication, and Simulation IV, 1291104 (13 March 2024); https://doi.org/10.1117/12.2691440

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