Henrik Schneidewind, Uwe Hubner, Torsten Wieduwilt, Matthias Zeisberger, Andrey Bogdanov, Yuri Kivshar, Markus A. Schmidt, "Record-breaking light coupling into nanostructured optical fibers under large incident angles", Micro-structured and Specialty Optical Fibres VII, 2021, [DOI: 10.1117/12.2590790]