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Novel 1310 nm and 1550 nm optically pumped VECSELs based on wafer fused InAlGaAs/InPAlGaAs/GaAs gain mirrors demonstrate high CW fundamental mode continuous wave output in excess of 2 W at room temperature.
Semiconductor disk lasers (SDLs) operating around 1.55 mum have been the subject of increasing interest. The performance of monolithically grown SDLs in this wavelength range suffers, however, from the poor quality of the InP-based distributed Bragg reflector (DBR). Recently, wafer fusion technique was applied to a long- wavelength SDL to avoid this obstacle. An active region grown on InP substrate...
A novel 1550 nm optically pumped VECSEL based on wafer fused InAlGaAs/InPAlGaAs/GaAs half cavity shows a high CW output of 2.28 W at room temperature and 250 mW at 75degC.
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