Septriani, B.B.SeptrianiVries, O. deO. deVriesGräfe, M.M.Gräfe2022-03-142022-03-142019https://publica.fraunhofer.de/handle/publica/40604710.1364/CLEO_QELS.2019.FM2M.22-s2.0-85069189962A parametric study of QRNG employing phase diffusion in gain-switched DFB laser diode is presented. New theoretical findings on the maximal raw data rate and explanations on advantage of pulsed regime over cw are given.en620conference paper