Surface emission type semiconductor laser

Details Surface emission type semiconductor laser Surface emission type semiconductor laser

1994-03-03

1995-07-25

Davie, James W.

Coherent light generators

Particular active media

Semiconductor

372 45, 372 50, 372 92, H01S 319

Patent

active

054369223

ABSTRACT:
A surface emission type semiconductor laser includes a plurality of semiconductor layers defining at least one resonator in a direction perpendicular to the semiconductor substrate of the laser, the layers including at least a cladding layer in the semiconductor layers being formed into at least one column-like portion extending in a direction perpendicular to the semiconductor substrate, and a buried layer surrounding the column-like portion. The column-like portion is of rectangular cross-section in a plane parallel to the semiconductor substrate and having longer and shorter sides, whereby the polarization plane of said omitted laser beam is parallel to the direction of said shorter sides.

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