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Ultimate capacity limit of a multi-span link with phase-insensitive amplification
preprint
posted on 2023-01-12, 14:16 authored by Marcin Jarzyna, Raul Garcia-Patron, Konrad BanaszekThe Shannon capacity of a point-to-point link with an optimised configuration of optical amplifiers is compared with general detection strategies permitted by quantum mechanics. Results suggest that the primary application area of receivers based on such strategies may be unamplified short-distance links or free-space optical communication