High-power cw operation of InGaAs/GaAs surface-emitting lasers with 45° intracavity micro-mirrors
Applied Physics Letters, ISSN: 0003-6951, Vol: 59, Issue: 17, Page: 2085-2087
1991
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Article Description
High-power cw operation of horizontal-cavity, monolithic InGaAs/GaAs surface-emitting lasers with all dry etched micro-mirrors has been demonstrated for the first time. The 45° and 90° micro-mirrors of the devices were fabricated by ion-beam etching and reactive ion etching techniques, respectively. Threshold-current densities of less than 500 A/cm, external differential quantum efficiencies of 10% (0.12 W/A) from the emitting facet, and output powers in excess of 100 mW were achieved from uncoated devices driven under cw operation.
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