How to achieve 1 Tbps throughput over an 36000 km free-space optical link

For the next generation of very high throughput communication satellites, free-space optical (FSO) communication between ground stations and geostationary telecommunication satellites provide a potential solution to overcome the limitations of RF links. Moving from RF to optical wavelengths increases the carrier frequency, the bandwidth and thereby the throughput with approximately 3 orders of magnitude.

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