Semiconductor laser device

Details Semiconductor laser device Semiconductor laser device

1987-12-15

1989-07-25

Sikes, William L.

Coherent light generators

Particular active media

Semiconductor

357 17, 372 45, 372 48, H01S 319

Patent

active

048521116

ABSTRACT:
A semiconductor laser device comprising a substrate of a first conductivity type having a mesa; a first semiconductor layer of a second conductivity type which is formed on the upper surface of the substrate other than the mesa to form a flat plane including the top face of the mesa; a laser oscillation region which is formed on the flat plane and includes an active area for laser oscillation; and a multi-layer structure burying the laser oscillation region, the multi-layer structure comprising a high resistance layer formed on the first semiconductor layer and burying both sides of the laser oscillation region, and a second semiconductor layer of the first conductivity type formed on the high resistance layer.

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