Abstract
One of the key elements in the fabrication of GaAℓAs/GaAs integrated optoelectronic circuits is the semiconductor laser, which should be constructed to have a very low threshold current in order to minimize the heat dissipation of the device. A very attractive candidate with this feature is the buried-heterostructure (BH) laser [1] which has been fabricated recently on a GaAs semi-insulating substrate [2].
© 1982 Optical Society of America
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