Main Variables Competition in DFB Lasers under Dual Optical Injection Year: 2013 Volume: 7 Issue: 1 74 - 76 Pages Authors: Najm M. Al-Hosiny Abstract: We theoretically investigate the effects of frequency detuning and injection power on the nonlinear dynamics of DFB lasers under dual external optical injection. Keywords: Optical injection DFB laser frequency detuning injection power.