High-power 1.55μ VECSEL for mode-locked pulse generation with an InGaAsN/GaAsN fast saturable absorber mirror
01 January 2008
A 1.55 mum VECSEL with a metal-GaAs/AlAs hybrid metamorphic mirror optimized for high power operation has been assembled with a fast saturable absorber mirror (SESAM) in a four mirror cavity to generate mode-locked pulses with an RF linewidth 20 kHz at a frequency of 2 GHz.