Transverse light emitting electroluminescent devices

Details Transverse light emitting electroluminescent devices Transverse light emitting electroluminescent devices

H - Electricity

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H01S 5/183 (2006.01) G02B 6/42 (2006.01) H01S 5/343 (2006.01) H01S 5/42 (2006.01)

Patent

CA 1175537

ABSTRACT OF THE DISCLOSURE Improved lateral carrier and optical confinement is achieved in heterostructure diodes and lasers having a Fabry-Perot cavity transverse to the plane of the p-n junction of the device. Structural features during fabri- cation improve carrier confinement to the active region in the established optical cavity. Current confinement means is also fabricated above and be- low the active region to concentrate the current density to the active region in the optical cavity and thereby improve the overall gain of the device. Such confinement also enhances optical confinement along the cavity. Several re- flector structures are disclosed for employment at the cavity ends to provide optical feedback.

359531

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