Fig. 3:
raw data for experimental intensity profiles 
jpg files

Fig. 4
MS Excel Spreadsheets
Fig04_ODXXX.xls
with XXX = optical density
col 1: detuning in units of atomic linewidth
col 2: input saturation parameter at threshold
col 3: total saturation parameter at threshold
col 4: input intensity at threshold
col 5: linear phase shift
col 3: nonlinear phase shift at threshold

Fig. 5
MS Excel Spreadsheets
filename.xls indicates nature of nonlinearity
col 1: optical density
col 2: diffracted energy (raw signal)
col 3: diffracted energy (normalized to maximum)


Fig. 10:
a, b) raw data for intensity profiles for transmitted beams projected on sigma_+ and sigma_- polarizations
bmp files

d) raw data for simulated orientation 
comma separated csv

Fig. 12: raw data for experimental images
jpg images 

Fig. 15:
comma separated csv
Fig15_a_b.csv
col 1: x in units of lattice periods
other columns: resulting perturbation in pump rate for different optical densities as indicated in row 1

Fig_15c.csc
col 1: optical density
col 2: value of resulting perturbation in centre
col 3: value of resulting perturbation one lattice period away

Fig. 15d.csv
col 1: x in units of lattice period
other columns: normalized resulting perturbations for initial distribution a factor m narrower than in Fig. 15a

Fig. 17
comma separated csv
col 1: x coordinate
col 2: state variable
col 3: intensity perturbation
data symmetric around x=0