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A 1.55μm VECSEL with a metal-GaAs/AlAs hybrid metamorphic mirror optimized for high power room temperature operation has been assembled with a fast saturable absorber mirror (SESAM) in a four-mirror cavity to generate mode-locked pulses at a frequency of 2 GHz. Stable pulses are obtained at room temperature avoiding the need for water cooling, with a pulsewidth <; 2 ps and an average optical power...
Thermal optimization of 1.55 mum VECSELs is studied in term of bottom Bragg mirror structure. 125 mW room temperature rollover-free output power is produced from a hybrid metal-metamorphic mirror structure bonded onto a diamond substrate.
In this paper, we demonstrate for the first time high output power, low pump power threshold density, room-temperature (RT), continuous-wave (CW) operation of an optically-pumped vertical-external-cavity surface-emitting lasers (OP-VECSEL) operating at 1.56 μm with an hybrid metal-metamorphic GaAs/AlAs mirror. We believe the maximum monomode TEM00 output power could be significantly increased with...
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