Stripe-geometry solid-state laser with light guidance by...

Details Stripe-geometry solid-state laser with light guidance by... Stripe-geometry solid-state laser with light guidance by...

H - Electricity

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H01S 5/20 (2006.01) H01S 5/24 (2006.01) H01S 5/223 (2006.01)

Patent

CA 1215160

A LASER-TYPE LIGHT-EMITTING SEMICONDUCTOR DEVICE WITH REFRACTIVE INDEX GRADIENT GUIDANCE, AND A METHOD OF FABRICATION OF SAID DEVICE Abstract of the Disclosure A stripe-geometry solid-state laser with light guidance by the refractive index as applicable to systems for data transmission through optical fibers comprises an active layer buried in an etched V-groove of the substrate. The active layer forms a heterojunction with two confine- ment layers and has a cross-section in the shape of a meniscus with zero thickness at the edges, thus producing a transverse refractive-index gradient. The layers are obtained by localized epitaxy within the groove under conditions of zero supersaturation.

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