A systematic study of changing the reflectivity of a Si/SiO/sub 2/ mirror for 1.3- mu m GaInAsP/InP surface-emitting lasers is discussed. An effective threshold current of 4.5 mA at 77 K continuous operation has been obtained. This indicates a possibility of a submilliampere threshold at 77 K and approximately=20 mA at 300 K by optimizing the mirror reflectivity.>
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Oshikiri et al. (1989) studied this question.
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