spectrogram_anim_16_microns.avi Aku Antikainen Govind Agrawal 10.6084/m9.figshare.8944574.v1 https://opticapublishing.figshare.com/articles/media/spectrogram_anim_16_microns_avi/8944574 The spectrogram at various propagation distances in a seven core fiber where the core separation is 16 µm. The sech-shaped input pulse is launched in the center core, has a duration (FWHM) of 100 fs, and a peak power of 10 kW. 2019-08-20 19:10:56 multi-core fibers nonlinear fiber phenomena