18 April 2005 Optical inter-satellite links based on homodyne BPSK modulation: heritage, status, and outlook
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Abstract
For a number of reasons homodyne BPSK (binary phase shift keying) is superior to all other optical modulation schemes. Since BPSK has been verified as a reliable technique for space applications, laser communication terminals based on this modulation scheme are ready for in-orbit verification, which is the goal of the running LCTSX program. With this, an optical satellite-to-ground link shall be established to verify the impact the atmosphere has on a homodyne BPSK based communication link as well as the pointing and tracking performance of a laser communication terminal. In a follow-on program, an optical inter-satellite link will be established to verify the communication performance.
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Robert Lange, Robert Lange, Berry Smutny, Berry Smutny, } "Optical inter-satellite links based on homodyne BPSK modulation: heritage, status, and outlook", Proc. SPIE 5712, Free-Space Laser Communication Technologies XVII, (18 April 2005); doi: 10.1117/12.593711; https://doi.org/10.1117/12.593711
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