10,000 km Straight-line Transmission using a Real-time Software-defined GPU-Based Receiver
Sjoerd van der Heide, Ruben S. Luis, Benjamin J. Puttnam, Georg, Rademacher, Ton Koonen, Satoshi Shinada, Yohinari Awaji, Hideaki Furukawa,, and Chigo Okonkwo

TL;DR
This paper demonstrates real-time, GPU-based optical signal reception over a 10,000 km straight-line link, evaluating various QAM modulation formats for performance at different distances.
Contribution
It introduces a real-time, GPU-based software-defined optical receiver capable of handling 10,000 km transmission with multiple QAM formats.
Findings
Successful real-time operation over 10,000 km
Performance evaluation of multiple QAM formats
Demonstration of GPU-based receiver capabilities
Abstract
Real-time operation of a software-defined, GPU-based optical receiver is demonstrated over a 100-span straight-line optical link. Performance of minimum-phase Kramers-Kronig 4-, 8-, 16-, 32-, and 64-QAM signals are evaluated at various distances.
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Taxonomy
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