• 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 https://www.scopus.com/sourceid/19700182758 https://www.scopus.com/record/display.uri?eid=2-s2.0-85050964171&origin=inward&txGid=b526d0d0387d39b317911a3ac51708f5 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=NAT%20COMMUN&year=2022