Surface emission type semiconductor laser

Details Surface emission type semiconductor laser Surface emission type semiconductor laser

1994-04-15

1995-04-04

Davie, James W.

Coherent light generators

Particular active media

Semiconductor

372 46, 372 50, 372 92, H01S 319

Patent

active

054043697

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 II-VI group compound semiconductor epitaxial layer buried around the column-like portions. "Lattice mismatch ratio" between the II-VI group compound semiconductor epitaxial layer and the column-like portions is no more than 0.2%, or more preferably no more than 0.16%. The II-VI group compound semiconductor layer is formed from an adduct consisting of II group organometallic compound and VI group organometallic compound and a VI group hydride by the use of a chemical vapor deposition. If a plurality of column-like portions are to be formed by a separation groove, these column-like portions are separated from one another, the II-VI group compound semiconductor epitaxial layer being buried in the separation groove.

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