Erratum to: Long-haul optical transmission link using low-noise phase-sensitive amplifiers (Nature Communications, (2018), 9, 1, (2513), 10.1038/s41467-018-04956-5)Olsson, Samuel L. I.; Eliasson, Henrik; Astra, Egon; Karlsson, Magnus; Andrekson, Peter A.Nature Communications2018 / Art. nr. 3064 https://doi.org/10.1038/s41467-018-05591-w Journal metrics at Scopus Article at Scopus Journal metrics at WOS