Application of Zn diffusion in reducing the series resistance of the P-distributed Bragg reflector in GaAs/GaA1As vertical cavity surface emitting lasers

Due to the potential barriers in the heterointerfaces of quarter wavelength stack layers of the distribute Bragg reflector (DBR) in vertical cavity surface emitting lasers, P-DBR has a very large series resistance. The paper reported a method of reducing this series resistance by Zn diffusion. By this way, we have achieved continue wave vertical cavity surface emitting lasers.