Aurrion, Inc.

Steven C Nicholes

Gregory Alan Fish

Alexander W Fang

Embodiments of the invention relate to an electro-optic device comprising a first region of silicon semiconductor material and a second region of III-V semiconductor material. A waveguide of the optical device is formed in part by a ridge in the second region. An optical mode of the waveguide is laterally confined by the ridge of the second region and vertically confined by a vertical boundary included in the first region. The ridge structure further serves as a current confinement structure over the active region of the electro-optic device, eliminating the need for implantation or other structures that are known to present reliability problems during manufacturing. The lack of 'voids' and implants in electro-optic devices according to embodiments of the invention leads to better device reliability, process repeatability and improved mechanical strength.

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Gilbert, AZ, United States of America

Steven C Nicholes