公开(公告)号：US12046871B2

公开(公告)日：2024-07-23

申请号：US18073458

申请日：2022-12-01

Applicant: Quintessent Inc.

Inventor： Brian Koch ,  Michael Davenport ,  Alan Liu ,  Justin Colby Norman

IPC: G02B6/12 ,  G02B6/122 ,  H01S5/10 ,  H01S5/20 ,  H01S5/34

CPC classification number: H01S5/1014 ,  H01S5/209 ,  H01S5/34 ,  G02B6/12004 ,  G02B6/1228

Abstract: Integrated-optics systems are presented in which an optically active device is optically coupled with a silicon waveguide via a passive compound-semiconductor waveguide. In a first region, the passive waveguide and the optically active device collectively define a composite waveguide structure, where the optically active device functions as the central ridge portion of a rib-waveguide structure. The optically active device is configured to control the vertical position of an optical mode in the composite waveguide along its length such that the optical mode is optically coupled into the passive waveguide with low loss. The passive waveguide and the silicon waveguide collectively define a vertical coupler in a second region, where the passive and silicon waveguides are configured to control the distribution of the optical mode along the length of the coupler, thereby enabling the entire mode to transition between the passive and silicon waveguides with low loss.

公开(公告)号：US11631967B2

公开(公告)日：2023-04-18

申请号：US17484370

申请日：2021-09-24

Applicant: Quintessent Inc.

Inventor： Brian Koch ,  Michael Davenport ,  Alan Liu ,  Justin Colby Norman

IPC: G02B6/12 ,  G02B6/122 ,  H01S5/10 ,  H01S5/20 ,  H01S5/34

Abstract: Integrated-optics systems are presented in which an optically active device is optically coupled with a silicon waveguide via a passive compound-semiconductor waveguide. In a first region, the passive waveguide and the optically active device collectively define a composite waveguide structure, where the optically active device functions as the central ridge portion of a rib-waveguide structure. The optically active device is configured to control the vertical position of an optical mode in the composite waveguide along its length such that the optical mode is optically coupled into the passive waveguide with low loss. The passive waveguide and the silicon waveguide collectively define a vertical coupler in a second region, where the passive and silicon waveguides are configured to control the distribution of the optical mode along the length of the coupler, thereby enabling the entire mode to transition between the passive and silicon waveguides with low loss.