SEMICONDUCTOR ELEMENT AND MANUFACTURING METHOD OF THE SAME

摘要

PROBLEM TO BE SOLVED: To obtain a semiconductor element and a manufacturing method of the same, which enables efficient growing of a multiquantum well structure having a large number of pairs while ensuring a good crystal quality.SOLUTION: A semiconductor element of a present embodiment is a semiconductor element of a group III-V compound semiconductor and comprises: a substrate of a group III-V compound semiconductor; a multiquantum well structure of a group III-V compound semiconductor positioned on the substrate; and a layer which is positioned on the multiquantum well structure and includes a group III-V compound semiconductor. The multiquantum well structure includes 50 pairs of quantum wells and over and does not have a regrown interface between a bottom face of the multiquantum structure and a top face of the layer including the group III-V compound semiconductor.