Process to manufacture laser structures with lateral confinement

Details Process to manufacture laser structures with lateral confinement Process to manufacture laser structures with lateral confinement

1990-12-21

1992-09-29

Epps, Georgia Y.

Coherent light generators

Particular active media

Semiconductor

372 45, H01S 319

Patent

active

051519143

ABSTRACT:
A process for producing a multilayer device which emits coherent luminous radiation (laser radiation) upon the application of electric power. The device consists of a substrate, a first epitaxial layer, an active layer having a composition which emits luminous radiation of a desired wavelength, an optical and electric confinement layer, a further optical and electric confinement layer and an electric contact layered structure. To concentrate current flow through the active layer, the adjacent layer is implanted with ions of transition elements, preferably Co or Fe, which, when annealed by thermal treatment, have a high resistivity.

REFERENCES:
patent: 4523961 (1985-06-01), Hartman et al.
patent: 4594603 (1986-06-01), Holonyak, Jr.
patent: 4706254 (1987-11-01), Nojiri et al.

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