Berisha, ArbnorArbnorBerishaRunge, PatrickPatrickRungeSchell, MartinMartinSchell2026-02-262026-02-262023https://publica.fraunhofer.de/handle/publica/50833010.1364/ASSL.2023.jtu5a.22-s2.0-851922633862-s2.0-85214782069We investigate the locking behavior of a DFB laser as a function of master laser wavelength and intensity. We find significantly more phase noise reduction when injecting with a negative frequency offset. This can be replicated in numerical modelling and explained by the Bogatov effect.enfalseconference paper