| 摘要 |
A surface emitting semiconductor laser diode of a tunnel junction type includes a semiconductor substrate, a first reflector, a second reflector, an active region disposed in series between the first and second reflectors, and a tunnel junction region disposed in series between the first and second reflectors. The tunnel junction region includes a first semiconductor layer of a first conductive type and a second semiconductor layer of a second conductive type that forms a junction with the first semiconductor layer, the first semiconductor layer being composed of a supper-lattice layer that at least partially includes aluminum and is partially oxidized.
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