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Published February 15, 1980 | public
Journal Article Open

Be-implanted (GaAl)As stripe geometry lasers


GaAl)As double-heterostructure stripe geometry lasers have been fabricated using Be ion implantation. Pulsed threshold currents as low as 21 mA have been found. The light-vs-current characteristics were kink-free up to 10 mW output power and the measured differential quantum efficiency was 45%.

Additional Information

Copyright © 1980 American Institute of Physics. (Received 27 September 1979; accepted for publication 28 November 1979) The authors would like to thank Pat Koen of the California Institute of Technology for the SEM photomicrograph. This work was supported by the Office of Naval Research and the National Science Foundation.


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