Reduced mode laser and method of fabrication

Details Reduced mode laser and method of fabrication Reduced mode laser and method of fabrication

1996-04-19

1997-12-09

Healy, Brian

Coherent light generators

Particular active media

Semiconductor

372 43, 372 44, 372 45, 372 50, 437 51, 437129, H01S 319, H01L 2120

Patent

active

056967845

ABSTRACT:
A reduced, lateral mode laser diode is fabricated using a self-aligning process which produces a well controlled weakly index-guided waveguide with strong current confinement. The structure includes ion implants for controlling current injection into the active region from the top of the ridge. The number of modes may be reduced to unity, resulting in a single lateral mode laser. A laser diode array is fabricated in the same way.

REFERENCES:
patent: 5420880 (1995-05-01), Tabatabaie et al.
patent: 5495492 (1996-02-01), Toda
patent: 5504769 (1996-04-01), Pellegrino et al.
patent: 5563902 (1996-10-01), Xu et al.

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