Lotus Shaped Negative Curvature Hollow Core Fibre with 10.5 dB/km at 1550 nm Wavelength. - Mubassira B. S. Nawazuddin; Natalie V. Wheeler; John R. Hayes; Thomas D. Bradley; Seyed Reza Sandoghchi; Marcelo A. Gouveia; Gregory T. Jasion; David J. Richardson; Francesco Poletti (ECOC, 2017)