SEMICONDUCTOR LIGHT-EMITTING ELEMENT, AND VARIABLE WAVELENGTH LIGHT SOURCE DEVICE, SD-OCT DEVICE, SS-OCT DEVICE BY SEMICONDUCTOR LIGHT-EMITTING ELEMENT

摘要

PROBLEM TO BE SOLVED: To provide a semiconductor light-emitting element and so on, capable of obtaining a desired spectral characteristic by localized plasmon resonance with a simple structure.SOLUTION: The semiconductor light-emitting element in which a plurality of semiconductor layers having an active layer that emits light by electric current injection are stacked on a substrate, comprises a metal dot layer neighboring the active layer, and the dot metal layer is configured so that a plurality of metal dots having a dot diameter to provide localized plasmon resonance for a prescribed wavelength are arranged in parallel to the substrate.