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. 2017 Jan 25;8:14080. doi: 10.1038/ncomms14080

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Copyright © 2017, The Author(s)

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(a) Conceptual representation of the wavelength-to-time mapping phenomenon in fibre optics. On the left of the figure, a short broadband pulse is coupled into a long length of single-mode fibre. On the right of the figure, the different colours that form the input pulse emerge from the fibre at different times due to the chromatic dispersion of the fibre, resulting in the mapping of wavelength to arrival time. (b) Simulated dispersion of the MCF cores. Also shown are the approximate contributions due to waveguide and material dispersion. (c) Expected differences in arrival times Δt_arrival after propagating along 290 m of the MCF, according to the dispersion profile shown in b. The crosses represent real data measured for the central core of the MCF. Note that larger values of Δt_arrival indicate a shorter propagation time along the fibre.