Performance demonstration of 2x1U CubeSat laser communications terminals with over-the-air 10G communications links

Keith G. Petrillo; Jacob Hwang; Michael M. Albert; He Cao; Kent Puffenburger; Joe Rudd; Bruce McIntosh; Mark Storm; Brian Mathason

doi:10.1117/12.2609976

4 March 2022 Performance demonstration of 2x1U CubeSat laser communications terminals with over-the-air 10G communications links

Keith G. Petrillo, Jacob Hwang, Michael M. Albert, He Cao, Kent Puffenburger, Joe Rudd, Bruce McIntosh, Mark Storm, Brian Mathason

Author Affiliations +

Proceedings Volume 11993, Free-Space Laser Communications XXXIV; 119930M (2022) https://doi.org/10.1117/12.2609976
Event: SPIE LASE, 2022, San Francisco, California, United States

Abstract

This work highlights 10G uncoded OOK communications signals in a lab-based over-the-air demonstration through one of Fibertek’s terminals designed for 1G LEO direct to earth links. Our demonstration not only proves that the 1G terminals are capable of higher data rates without penalty but also validate the pointing stability of the system. The bit error rate tests resulted in a less than 3-dB power penalty compared to back-to-back measurements at 1e-9 which is in line with the theoretical half-angle divergence-to-jitter ratio (w₀/σ) of around 7. This ratio meets the design goals for the terminal. We show that the jitter performance of the terminal meets the design goals of providing optimal performance for error free requirements of 1e-9 and demonstrate that through both direct measurement of the jitter on a PSD and the performance impact on a communications signal.

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Citation Download Citation

Keith G. Petrillo, Jacob Hwang, Michael M. Albert, He Cao, Kent Puffenburger, Joe Rudd, Bruce McIntosh, Mark Storm, and Brian Mathason "Performance demonstration of 2x1U CubeSat laser communications terminals with over-the-air 10G communications links", Proc. SPIE 11993, Free-Space Laser Communications XXXIV, 119930M (4 March 2022); https://doi.org/10.1117/12.2609976

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