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Continuous wave single transverse mode vertical-cavity surface-emitting lasers fabricated by helium implantation and zinc diffusion

Continuous wave single transverse mode vertical-cavity surface-emitting lasers fabricated by helium implantation and zinc diffusion

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A single transverse mode vertical-cavity surface emitting laser with moderate power has been fabricated using helium implantation and zinc diffusion. Devices with a 4 μm diameter active region exhibited a fundamental transverse mode (TEM00) operation with a maximum continuous wave output power of 1.5 mW and a quantum efficiency as high as 70%.

References

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