Coupling a light sensor array with an optical component
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G02B-006/12
G02B-006/26
출원번호
UP-0980205
(2007-10-29)
등록번호
US-7769254
(2010-08-24)
발명자
/ 주소
Peng, Yihlih
Pinyan, James A.
출원인 / 주소
Kotura, Inc.
대리인 / 주소
Gavrilovich, Dodd & Lindsey, LLP
인용정보
피인용 횟수 :
0인용 특허 :
47
초록▼
An optical component system includes an optical component having a plurality of ports through which light signals exit the optical component. The system also includes a light sensor array having a plurality of light sensors. The light sensor array is coupled to the optical component such that differ
An optical component system includes an optical component having a plurality of ports through which light signals exit the optical component. The system also includes a light sensor array having a plurality of light sensors. The light sensor array is coupled to the optical component such that different light sensors receive light signals that exit the optical component through different ports. The system also includes a light barrier positioned between the optical component and the light sensor array and between adjacent light sensors. In some instances, the light barrier is one of a plurality of light barriers that are each positioned between adjacent light sensors.
대표청구항▼
The invention claimed is: 1. An optical system, comprising: an optical component having a plurality of waveguides that each has a length, the waveguides being positioned on a substrate such that each waveguide is immobilized relative to the substrate along the length of the waveguide, the optical c
The invention claimed is: 1. An optical system, comprising: an optical component having a plurality of waveguides that each has a length, the waveguides being positioned on a substrate such that each waveguide is immobilized relative to the substrate along the length of the waveguide, the optical component also having ports through which light signals guided through the waveguides exit the optical component; a light sensor array including a plurality of light sensors, different light sensors configured to receive light signals from different waveguides, each waveguide is associated with the light sensor configured to receive the light signals from that waveguide; and a light barrier positioned between the optical component and the light sensor array, the light barrier configured to prevent a first light signal traveling through the light transmitting medium from being received at one or more of the light sensors that are not associated with the waveguide from which the first light signal exited. 2. The system of claim 1, wherein the light barrier is between an electrical contact pad on the optical component and an electrical contact pad on the light sensor array. 3. The system of claim 1, wherein the light barrier includes a metal. 4. The system of claim 1, wherein the light barrier is positioned so as to surround an optical path that the first light signal travels from the waveguide from which the first light signal exited to the associated light sensor. 5. The system of claim 1, wherein a bonding medium is positioned adjacent to the light barrier, the bonding medium bonding the optical component to the light sensor array. 6. The system of claim 5, wherein the bonding medium is electrically conductive. 7. The system of claim 1, wherein the light sensor array is positioned over the optical component such that the ports are between the substrate and the light sensor array. 8. The system of claim 1, wherein the ports are configured to re-direct the light signals from the waveguides to a region over the optical component such that the waveguides are positioned between the substrate and the region over the optical component. 9. The system of claim 1, further comprising: a bonding medium bonding the optical component to the light sensor array; and a medium encapsulating the light sensor array, the medium being different from the bonding medium. 10. The system of claim 1, wherein the light barrier is one of a plurality of light barriers between the optical component and the light sensor array, the light barriers being configured to prevent the light signals traveling through the light transmitting medium from being received at the light sensors that are not associated with the waveguide from which each light signal exited. 11. The system of claim 1, wherein the light barrier extends from a region of the optical component between ports to a region of the light sensor array between light sensors. 12. The system of claim 1, wherein the light barrier is electrically conducting and provides electrical communication between an electrical contact pad on the optical component and an electrical contact pad on the light sensor array. 13. The system of claim 12, wherein the electrical contact pad on the optical component is between ports and the electrical contact pad on the light sensor array is between light sensors. 14. The system of claim 1, wherein the waveguides are arranged such that lengths of the waveguides define a plane and the ports are configured to re-direct the light signals traveling along the waveguides out of the plane. 15. The system of claim 1, wherein the waveguides are ridge waveguides that are each defined by a ridge of a medium extending from a slab of the medium such that each ridge extends from the same slab and such that the medium extends continuously from the slab into each ridge. 16. The system of claim 1, wherein the light transmitting medium extends continuously from the waveguides to the light sensors such that the light signals travel exclusively through the light transmitting medium when traveling from the waveguides to the light sensors. 17. The system of claim 1, wherein the light sensor array is immobilized relative to the optical component. 18. The system of claim 1, wherein: the light barrier is between an electrical contact pad on the optical component and an electrical contact pad on the light sensor array; the electrical contact pad on the optical component is positioned on a region of the optical component that is between ports and the electrical contact pad on the light sensor array is positioned on a region of the light sensor array that is between light sensors; the light barrier is electrically conductive; the light barrier is positioned so as to surround an optical path that the first light signal travels from the waveguide from which the first light signal exited to the associated light sensor; a bonding medium is positioned adjacent to the light barrier, the bonding medium bonding the optical component to the light sensor array and being different from a the light transmitting medium, the light transmitting medium being positioned between the optical component and the light sensor such that the light signals travel through the light transmitting medium when traveling from the waveguides to the light sensors; the light sensor array is positioned over the optical component such that the ports are between the substrate and the light sensor array; and the ports are configured to re-direct the light signals from the waveguides to a region over the optical component such that the waveguides are positioned between the substrate and the region over the optical component. 19. The system of claim 1, further comprising a light transmitting medium being positioned between the optical component and the light sensor such that the light signals travel through the light transmitting medium when traveling from the waveguides to the light sensors. 20. The system of claim 1, wherein the light signals that exit from the optical component through one of the ports each exit from one of the waveguides before traveling through the one of the ports. 21. The system of claim 20, wherein the ports are each configured to change a direction that the light signals travel to a second direction that is different from a first direction that each light signal travels upon exiting from one of the waveguides. 22. The system of claim 21, wherein the second direction is toward a location over the optical component such that the waveguides are positioned between the substrate and the location over the optical component. 23. The system of claim 1, wherein the light sensor array is physcially attached to the optical component such that the light sensor array is immobilized relative to the optical component. 24. An optical system, comprising: an optical component having a plurality of waveguides that each has a length, the waveguide positioned on a substrate such that each waveguide is immobilized relative to the substrate along the length of the waveguide, the optical component also having ports through which light signals guided through the waveguides exit the optical component; a light sensor array including a plurality of light sensors, the array being coupled to the optical component such that different light sensors receive light signals that exit the optical component through different ports; a light transmitting medium between the optical component and the light sensor array, the light transmitting medium positioned such that the light signals travel through the light transmitting medium when traveling from the waveguides to the light sensors; and a light barrier between the optical component and the light sensor array, the light barrier also being positioned between different regions of the light transmitting medium, and the light barrier also being positioned over a region of the optical component that is located between adjacent ports. 25. The system of claim 24, wherein the light barrier is between an electrical contact pad positioned on the optical component and an electrical contact pad positioned on the light sensor array. 26. The system of claim 24, wherein the light barrier is electrically conductive. 27. The system of claim 24, wherein a bonding medium is positioned adjacent to the light barrier, the bonding medium bonding the optical component to the light sensor array. 28. The system of claim 24, wherein the light sensor array is positioned over the optical component such that the ports are between the substrate and the light sensor array. 29. The system of claim 24, wherein the ports are configured to re-direct the light signals from the waveguides to a region over the optical component such that the waveguides are positioned between the substrate and the region over the optical component. 30. The system of claim 24, wherein the light barrier is one of a plurality of light barriers between the optical component and the light sensor array, more than one of the light barriers positioned over a region of the optical component between adjacent ports and also positioned between different regions of the light transmitting medium. 31. The system of claim 24, wherein that the light signals that exit from the optical component through one of the ports each exit from one of the waveguides before traveling through one of the ports. 32. The system of claim 31, wherein the ports are each configured to change a direction that the light signals travel to a second direction that is different from a first direction that each light signal travels upon exiting from one of the waveguides. 33. The system of claim 24, wherein the light sensor array is physcially attached to the optical component such that the light sensor array is immobilized relative to the optical component.
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