Abstract: The present technology provides a semiconductor laser capable of suppressing a decrease in yield while suppressing an influence on laser characteristics. The semiconductor laser according to the present technology includes a resonator having a multilayer structure including: a first cladding layer; a second cladding layer; and an active layer disposed between the first cladding layer and the second cladding layer, the multilayer structure including a pair of resonator end surfaces facing each other. The resonator has a ridge structure extending in a resonator length direction on a surface on a second cladding layer side. A plurality of grooves is provided in at least one of one side portion or the other side portion sandwiching the ridge structure in plan view on the surface of the resonator on the second cladding layer side.

Abstract: A light-emitting element and an electronic apparatus capable of reducing the element area and realizing a stable electrical connection. A light-emitting element according to the present technology includes a first semiconductor layer, a light-emitting layer, and a second semiconductor layer laminated in this order, and a light-emitting surface, a non-light-emitting surface, and a side surface connecting the light-emitting surface and the non-light-emitting surface. The side surface is inclined. A first electrode is in a concave portion in the light-emitting surface at a periphery of the first semiconductor layer. A second electrode is on a non-light-emitting surface side of the laminate. A third electrode is on the non-light-emitting surface side of the laminate and is insulated from the second electrode. The side wiring electrically connects the first electrode and the third electrode via the side surface.

Abstract: A light-emitting element including: a stacked body; a light-emitting surface; and a reflecting body. The stacked body includes a first semiconductor layer, a second semiconductor layer, and an active layer between the first and second semiconductor layers, and has first and second surfaces on a side opposite to the active layer, and a circumferential surface that connects the first surface and the second surface and includes an end surface of the active layer, a groove formed in the first semiconductor layer from the first surface toward the active layer, having a depth such that the groove is separated from the active layer, and extending in a direction parallel to the first surface. The light-emitting surface is positioned on the first surface on a side opposite to the active layer and emits light generated in the active layer. The reflecting body reflects light emitted from the end surface toward the groove.

Abstract: A light-emitting element according to an embodiment of the present disclosure includes: a semiconductor layer having a first surface and a second surface, and including a first conductive-type layer, an active layer, and a second conductive-type layer that are stacked in order from the first surface side; a first dielectric layer provided on the second surface side of the semiconductor layer and having an opening; a first electrode electrically coupled to the first conductive-type layer on the first surface side of the semiconductor layer; and a second electrode provided on the first dielectric layer and electrically coupled to the second conductive-type layer via the opening.

Abstract: A light-emitting element and an electronic apparatus capable of reducing the element area and realizing a stable electrical connection. A light-emitting element according to the present technology includes a first semiconductor layer, a light-emitting layer, and a second semiconductor layer laminated in this order, and a light-emitting surface, a non-light-emitting surface, and a side surface connecting the light-emitting surface and the non-light-emitting surface. The side surface is inclined. A first electrode is in a concave portion in the light-emitting surface at a periphery of the first semiconductor layer. A second electrode is on a non-light-emitting surface side of the laminate. A third electrode is on the non-light-emitting surface side of the laminate and is insulated from the second electrode. The side wiring electrically connects the first electrode and the third electrode via the side surface.