Abstract:
[Object] To provide a vertical cavity surface emitting laser element and an electronic apparatus that have high light emission efficiency. [Solving Means] A vertical cavity surface emitting laser element according to the present technology includes: an active layer; a first cladding layer; and an intermediate layer. The first cladding layer is provided on the active layer. The intermediate layer is provided on the first cladding layer, electrons in the intermediate layer having potential higher than potential of electrons in the first cladding layer, holes in the intermediate layer having potential higher than potential of holes in the first cladding layer.
Abstract:
A semiconductor light-emitting element includes a laminated structure which has an active layer between a first conductivity-type semiconductor layer and a second conductivity-type semiconductor layer, a first semiconductor layer which includes at least the first conductivity-type semiconductor layer of the laminated structure, an insulation film which is formed on the first semiconductor layer and has an opening, and a second semiconductor layer which is formed on the insulation film and includes at least the second conductivity-type semiconductor layer of the laminated structure. The second semiconductor layer includes a first region facing the opening of the insulation film and a second region not facing the opening, and the second region has a portion with a higher impurity concentration than the first region.
Abstract:
A semiconductor light-emitting device according to an embodiment of the present disclosure includes an n-type semiconductor layer, a p-type semiconductor layer, and an active layer provided between the n-type semiconductor layer and the p-type semiconductor layer and including a plurality of well layers. In the plurality of well layers included in the active layer, a band gap inclination angle θ1 of a second well layer located relatively close to the p-type semiconductor layer is smaller than a band gap inclination angle θ2 of a first well layer located relatively close to the n-type semiconductor layer.
Abstract:
A semiconductor light-emission device includes: a p-type conductive layer that is one or more layers each made of a III-V compound semiconductor; an active layer made of a III-V compound semiconductor; and an electron barrier layer inserted between the p-type conductive layer and the active layer, and made of a III-V compound semiconductor. The electron barrier layer includes first and second regions. The first region is provided closer to the active layer than the second region, has a first interface and a second interface located farther from the active layer than the first interface, and has a band gap of a fixed magnitude. The second region is provided in contact with the second interface, and has a band gap smaller than the band gap of the first region and becomes smaller from an interface with the first region towards an interface with the p-type conductive layer of the second region.
Abstract:
A semiconductor light-emitting element includes a laminated structure which has an active layer between a first conductivity-type semiconductor layer and a second conductivity-type semiconductor layer, a first semiconductor layer which includes at least the first conductivity-type semiconductor layer of the laminated structure, an insulation film which is formed on the first semiconductor layer and has an opening, and a second semiconductor layer which is formed on the insulation film and includes at least the second conductivity-type semiconductor layer of the laminated structure. The second semiconductor layer includes a first region facing the opening of the insulation film and a second region not facing the opening, and the second region has a portion with a higher impurity concentration than the first region.
Abstract:
A semiconductor light-emitting element includes a laminated structure which has an active layer between a first conductivity-type semiconductor layer and a second conductivity-type semiconductor layer, a first semiconductor layer which includes at least the first conductivity-type semiconductor layer of the laminated structure, an insulation film which is formed on the first semiconductor layer and has an opening, and a second semiconductor layer which is formed on the insulation film and includes at least the second conductivity-type semiconductor layer of the laminated structure. The second semiconductor layer includes a first region facing the opening of the insulation film and a second region not facing the opening, and the second region has a portion with a higher impurity concentration than the first region.
Abstract:
A semiconductor light-emitting element includes a laminated structure which has an active layer between a first conductivity-type semiconductor layer and a second conductivity-type semiconductor layer, a first semiconductor layer which includes at least the first conductivity-type semiconductor layer of the laminated structure, an insulation film which is formed on the first semiconductor layer and has an opening, and a second semiconductor layer which is formed on the insulation film and includes at least the second conductivity-type semiconductor layer of the laminated structure. The second semiconductor layer includes a first region facing the opening of the insulation film and a second region not facing the opening, and the second region has a portion with a higher impurity concentration than the first region.