Surface-emitting laser, light source device, and ranging device
AssigneeSony Group Corporation
InventorsTOMOMASA WATANABE, MIKIHIRO YOKOZEKI, HIROSHI NAKAJIMA
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Abstract
Provided is a surface-emitting laser having a light confinement structure, which can reduce manufacturing costs. The surface-emitting laser according to the present technique includes first and second reflectors, an active layer disposed between the first and second reflectors, and a semiconductor structure disposed between the active layer and the second reflector. An annular step part is provided on a surface of the semiconductor structure on a side where the second reflector is located. According to the present technique, the surface-emitting laser having the light confinement structure, which can reduce manufacturing costs, can be provided.
Claims20
A surface-emitting laser comprising:
- first and second reflectors;
- an active layer disposed between the first and second reflectors;
- and
- a semiconductor structure disposed between the active layer and the second reflector,
- wherein an annular step part is provided on a surface of the semiconductor structure on a side where the second reflector is located.
Dependencies are inferred from the claim text.