University of Southampton-ORC-Qiang Fu- Q.Fu@soton.ac.uk The excel file contains experimental data for the paper. In particular: Fig.2 Measured spectra for signal and idler in both OPG and OPG-OPA operation regimes based on a 57-um QPM period grating. Fig. 3(a). Measured spectra for signal from the tunable OPG-OPA. Fig. 3(b). Measured spectra for idler from the tunable OPG-OPA. Fig. 4. Signal and idler output power as a function of pump power in OPG-OPA operation. Fig. 5. Autocorrelator traces of the pump pulse, signal pulse of the OPG, signal pulse of the OPG-OPA. Fig. 6. M2 measurement for OPG-OPA signal at 2942 nm and idler at 5800 nm in the x and y direction for OP-GaAs with grating period of 57 um. Date of data collection: from July 2017-Oct 2017 Information about geographic location of data collection: University of Southampton, U.K. Date that the file was created: Dec 2017