Optical waveguides – Integrated optical circuit
Patent
1991-10-02
1993-05-04
Ullah, Akm E.
Optical waveguides
Integrated optical circuit
372 45, 372 46, 372 50, 372 96, 357 17, G02B 600, H01S 319
Patent
active
052088782
ABSTRACT:
A monolithically integrated laser diode waveguide combination on a semi-insulating substrate has in an active region thereof a laser diode with a waveguide layer, an intermediate layer, an active layer, and a grating layer arranged between portions of a lower cover layer. Above this laser strip, an upper cover layer with a central contact layer is located thereupon together with a central contact. An activation of the active layer occurs via the lower cover layer, a lateral contact layer applied on the coating layer, and lateral contacts.
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Ullah Akm E.
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