Surface-emitting semiconductor laser device

Details Surface-emitting semiconductor laser device Surface-emitting semiconductor laser device

1988-01-26

1989-07-11

Sikes, William L.

Coherent light generators

Particular active media

Semiconductor

357 16, 357 17, 372 46, 372 49, 372 96, H01S 319, H01L 3300

Patent

active

048478440

ABSTRACT:
A surface-emitting semiconductor laser device comprises a first electrode, a first-conductivity-type clad layer provided on the first electrode, an active layer provided on the first-conductivity-type clad layer, a guide layer provided on the active layer and having an even-numbered-order diffraction grating opposite to the active layer, a second-conductivity-type clad layer provided on the guide layer, contact layers provided on portions of the second-conductivity-type clad layer, and second electrodes provided on the contact layers.

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