Characterisation of a Coupled-Core Fiber Using Dual-Comb Swept-Wavelength Interferometry. - Ekaterina Deriushkina; Israel Rebolledo Salgado; Mikael Mazur; Victor Torres-Company; Peter A. Andrekson; Simon Gross; Michael J. Withford; Tetsuya Hayashi; Takuji Nagashima; Jochen Schröder; Magnus Karlsson 001 (ECOC, 2021)