SEMICONDUCTOR LIGHT EMITTING DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a semiconductor light emitting device capable of suppressing occurrence of electric crosstalk between a semiconductor light emitting element and a semiconductor light detecting element.

SOLUTION: An insulating layer 20 and a metal layer 30 are interposed between the semiconductor laser element 40 and semiconductor light detecting element 10. The insulating layer 20 is formed by oxidizing Al of high concentration contained in an AlAs layer formed on a p-type contact layer 13 of the semiconductor light detecting element 10, and stuck on the semiconductor laser element 40 with the metal layer 30.

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