The data provided in the data.txt file is comprised of 3 datasets, titled "Spectrum", "Back to Back" and "Converted Signal" respectively.

"Spectrum" refers to Fig. 1 (inset) of the paper, listing the x- and y-axis of the graph in the first and second column respectively.

"Back to back" refers to Fig. 2 of the paper, listing the x- and y-axis of the blue scatter plot, in the first and second column respectively.

"Converted Signal" refers to Fig. 2 of the paper, listing the x- and y-axis of the red scatter plot, in the first and second column respectiely.