Abstract:
:Ubiquitous satellite communications are in a leading position for bridging the digital divide. Fulfilling such a mission will require satellite services on par with fibre services, both in bandwidth and cost. Achieving such a performance requires a new generation of communications payloads powered by large-scale processors, enabling a dynamic allocation of hundreds of beams with a total capacity beyond 1 Tbit s-1. The fact that the scale of the processor is proportional to the wavelength of its signals has made photonics a key technology for its implementation. However, one last challenge hinders the introduction of photonics: while large-scale processors demand a modular implementation, coherency among signals must be preserved using simple methods. Here, we demonstrate a coherent photonic-aided receiver meeting such demands. This work shows that a modular and coherent photonic-aided payload is feasible, making way to an extensive introduction of photonics in next generation communications satellites.
journal_name
Nat Communjournal_title
Nature communicationsauthors
Duarte VC,Prata JG,Ribeiro CF,Nogueira RN,Winzer G,Zimmermann L,Walker R,Clements S,Filipowicz M,Napierała M,Nasiłowski T,Crabb J,Kechagias M,Stampoulidis L,Anzalchi J,Drummond MVdoi
10.1038/s41467-019-10077-4subject
Has Abstractpub_date
2019-04-30 00:00:00pages
1984issue
1issn
2041-1723pii
10.1038/s41467-019-10077-4journal_volume
10pub_type
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