公开(公告)号：US20180003906A1

公开(公告)日：2018-01-04

申请号：US15201067

申请日：2016-07-01

Applicant: Cisco Technology, Inc.

Inventor： Ravinder KACHRU ,  Joyce PETERNEL ,  Pang-Chen SUN

IPC: G02B6/42 ,  G02B6/30

CPC classification number: G02B6/4239 ,  G02B6/30 ,  G02B6/422

Abstract: Disclosed are an apparatus and associated method and computer-readable medium for connecting a fiber array connector (FAC) with a photonic subassembly comprising a plurality of waveguides with a predetermined disposition relative to a top surface of a substrate. A plurality of optical fibers extend to a first surface of the FAC. The method comprises moving, using a positioning device, the FAC from a first position in which the first surface is seated against a second surface of the photonic subassembly to a second position such that the first surface has a predetermined distance from the second surface. The method further comprises performing, using the positioning device, an active alignment of the plurality of optical fibers with the plurality of waveguides, and applying, using an application device, an adhesive to form a physical interface between at least two opposing surfaces of the photonic subassembly and the FAC.

公开(公告)号：US20140169734A1

公开(公告)日：2014-06-19

申请号：US13715962

申请日：2012-12-14

Applicant: CISCO TECHNOLOGY, INC.

Inventor： Ravinder KACHRU ,  Chris TOGAMI ,  Kishor DESAI

IPC: G02B6/42 ,  G02B6/32

CPC classification number: G02B6/4226 ,  G02B6/32 ,  G02B6/42 ,  G02B6/4206 ,  G02B6/4214 ,  G02B7/005 ,  H04B10/2503 ,  H04B10/516

Abstract: Techniques for coupling light from a waveguide array to a single mode fiber array are described. In an embodiment, lateral misalignment of an array of focusing lenses and an array of optical fiber ferrules held into alignment by a lens holder sub-assembly is compensated by tilting the lens holder sub-assembly with respect to the propagation axis of the light being coupled by the lens holder-subassembly. Since the amount of tilt can be adjusted according to the degree of lateral misalignment, lens holder sub-assemblies manufactured with varying degrees of misalignment may be utilized to couple light into single mode fiber-optic cable. In addition, the same technique can also be used to compensate for other defects as well, such as angular errors in manufacturing or placement of a turning mirror or prism used to direct light into the lens holder sub-assembly.

Abstract translation: 描述了将光从波导阵列耦合到单模光纤阵列的技术。 在一个实施例中，聚焦透镜阵列的横向偏移和由透镜保持器子组件保持对准的光纤套圈阵列通过相对于被耦合的光的传播轴倾斜透镜保持器子组件来补偿 通过镜头架子组件。 由于可以根据横向偏移的程度来调节倾斜量，所以可以利用以不同程度的不对准制造的透镜保持器子组件将光耦合到单模光纤电缆中。 此外，也可以使用相同的技术来补偿其他缺陷，例如用于将光引导到透镜保持器子组件中的转向镜或棱镜的制造或放置中的角度误差。

公开(公告)号：US20160246004A1

公开(公告)日：2016-08-25

申请号：US14629182

申请日：2015-02-23

Applicant: Cisco Technology, Inc.

Inventor： Ravinder KACHRU ,  Pang-Chen SUN ,  Chris Kiyoshi TOGAMI

IPC: G02B6/26

CPC classification number: G02B6/26 ,  G02B6/30 ,  G02B6/32 ,  G02B6/4214 ,  G02B2006/12061 ,  G02F1/093 ,  G02F1/39 ,  H01S5/0208

Abstract: Embodiments disclosed herein generally relate to an optical device for transferring light between a first and second waveguide. The optical device may generally include the first waveguide, a first support member and a base on which the first waveguide and first support member are disposed. The optical device may further include a second support member wherein the first support member is disposed between the second support member and the base. The second support member comprises at least one groove. The second waveguide may be disposed at least partially in the groove such that the second waveguide is between the first and second support members. The optical device may further include at least one lens disposed between the first waveguide and the second waveguide to transfer an optical signal between the first and second waveguides through the lens.

Abstract translation: 本文公开的实施例通常涉及用于在第一和第二波导之间传送光的光学装置。 光学装置通常可以包括第一波导，第一支撑构件和基座，第一波导和第一支撑构件设置在基座上。 光学装置还可以包括第二支撑构件，其中第一支撑构件设置在第二支撑构件和基座之间。 第二支撑构件包括至少一个凹槽。 第二波导可以至少部分地设置在凹槽中，使得第二波导在第一和第二支撑构件之间。 光学装置还可以包括设置在第一波导和第二波导之间的至少一个透镜，以通过透镜在第一和第二波导之间转移光信号。

公开(公告)号：US20160161684A1

公开(公告)日：2016-06-09

申请号：US15045540

申请日：2016-02-17

Applicant: Cisco Technology, Inc.

Inventor： Ravinder KACHRU ,  Chris TOGAMI ,  Kishor DESAI

IPC: G02B6/42 ,  G02B6/38 ,  H04B10/25 ,  H04B10/079 ,  H04B10/516 ,  G02B6/32 ,  G02B7/00

CPC classification number: G02B6/4226 ,  G02B6/32 ,  G02B6/42 ,  G02B6/4206 ,  G02B6/4214 ,  G02B7/005 ,  H04B10/2503 ,  H04B10/516

Abstract: Techniques for coupling light from a waveguide array to a single mode fiber array are described. In an embodiment, lateral misalignment of an array of focusing lenses and an array of optical fiber ferrules held into alignment by a lens holder sub-assembly is compensated by tilting the lens holder sub-assembly with respect to the propagation axis of the light being coupled by the lens holder-subassembly. Since the amount of tilt can be adjusted according to the degree of lateral misalignment, lens holder sub-assemblies manufactured with varying degrees of misalignment may be utilized to couple light into single mode fiber-optic cable. In addition, the same technique can also be used to compensate for other defects as well, such as angular errors in manufacturing or placement of a turning mirror or prism used to direct light into the lens holder sub-assembly.

Abstract translation: 描述了将光从波导阵列耦合到单模光纤阵列的技术。 在一个实施例中，聚焦透镜阵列的横向偏移和由透镜保持器子组件保持对准的光纤套圈阵列通过相对于被耦合的光的传播轴倾斜透镜保持器子组件来补偿 通过镜头架子组件。 由于可以根据横向偏移的程度来调节倾斜量，所以可以利用以不同程度的不对准制造的透镜保持器子组件将光耦合到单模光纤电缆中。 此外，也可以使用相同的技术来补偿其他缺陷，例如用于将光引导到透镜保持器子组件中的转向镜或棱镜的制造或放置中的角度误差。

公开(公告)号：US20150016784A1

公开(公告)日：2015-01-15

申请号：US14498669

申请日：2014-09-26

Applicant: Cisco Technology, Inc.

Inventor： Kalpendu SHASTRI ,  Soham PATHAK ,  Utpal CHAKRABARTI ,  Vipulkumar PATEL ,  Bipin DAMA ,  Ravinder KACHRU ,  Kishor DESAI

IPC: G02B6/42

CPC classification number: G02B6/4292 ,  B82Y20/00 ,  C03C15/00 ,  G02B6/136 ,  G02B6/4214 ,  G02B6/4246 ,  G02B6/4259 ,  Y10T29/4978

Abstract: An apparatus for providing self-aligned optical coupling between an opto-electronic substrate and a fiber array, where the substrate is enclosed by a transparent lid such that the associated optical signals enter and exit the arrangement through the transparent lid. The apparatus takes the form of a two-part connectorized fiber array assembly where the two pieces uniquely mate to form a self-aligned configuration. A first part, in the form of a plate, is attached to the transparent lid in the area where the optical signals pass through. The first plate includes a central opening with inwardly-tapering sidewalls surrounding its periphery. A second plate is also formed to include a central opening and has a lower protrusion with inwardly-tapering sidewalls that mate with the inwardly-tapering sidewalls of the first plate to form the self-aligned connectorized fiber array assembly. The fiber array is then attached to the second plate in a self-aligned fashion.

Abstract translation: 一种用于在光电子基板和光纤阵列之间提供自对准光耦合的装置，其中基板由透明盖包围，使得相关联的光信号通过透明盖进入和离开布置。 该装置采取两部分连接的光纤阵列组件的形式，其中两个部件独特地配合以形成自对准配置。 在光信号通过的区域中，透明盖附着有板的形式的第一部分。 第一板包括具有围绕其周边的向内逐渐变细的侧壁的中心开口。 第二板也形成为包括中心开口并且具有下突起，其具有向内渐缩的侧壁，与第一板的向内渐缩的侧壁配合形成自对准的连接纤维阵列组件。 然后将纤维阵列以自对准的方式附接到第二板。

公开(公告)号：US20160209606A1

公开(公告)日：2016-07-21

申请号：US14339921

申请日：2014-07-24

Applicant: CISCO TECHNOLOGY, INC.

Inventor： Kalpendu SHASTRI ,  Ravinder KACHRU ,  Kishor DESAI

IPC: G02B6/42 ,  G02B6/136 ,  G02B6/12

CPC classification number: G02B6/423 ,  G01B11/14 ,  G02B6/4239 ,  G02B6/4249

Abstract: An arrangement for providing passive alignment of optical components on a common substrate uses a set of reference cavities, where each optical device is positioned within a separate reference cavity. The reference cavities are formed to have a predetermined depth, with perimeters slightly larger than the footprint of their associated optical components. The reference cavity includes at least one right-angle corner that is used as a registration corner against which a right-angle corner of an associated optical component is positioned. The placement of each optical component in its own reference cavity allows for passive optical alignment to be achieved by placing each component against its predefined registration corner.

Abstract translation: 用于在公共衬底上提供光学部件的被动对准的装置使用一组参考腔，其中每个光学装置定位在单独的参考腔内。 参考空腔形成为具有预定深度，其周长稍大于其相关联的光学部件的覆盖区。 参考腔包括至少一个直角角，其被用作相关联的光学部件的直角角位于其上的配准角。 每个光学部件在其自己的参考腔中的放置允许通过将每个部件放置在其预定义的配准角上来实现无源光学对准。

公开(公告)号：US20150055912A1

公开(公告)日：2015-02-26

申请号：US13974931

申请日：2013-08-23

Applicant: Cisco Technology, Inc.

Inventor： Ravinder KACHRU

IPC: G02B6/12 ,  G02B6/136

CPC classification number: G02B6/305 ,  G02B6/1228 ,  G02B6/136 ,  G02B2006/12195

Abstract: An optical device may include a waveguide converter that couples an external light-carrying medium to a waveguide embedded within the optical device. In one embodiment, the optical signal emitted from the light-carrying medium enters the converter which focuses the signal (e.g., shrinks the mode of the optical signal) to better match the physical dimensions of the waveguide. Using the converter may improve transmission efficiency relative to directly coupling (e.g., butt-coupling) the light-carrying medium to the waveguide. Specifically, the converter may enable the light-carrying medium to transmit the optical signal directly into the optical device without the use of any external lenses, even if the waveguide is a sub-micron waveguide.

Abstract translation: 光学装置可以包括波导转换器，其将外部光载体介质耦合到嵌入光学装置内的波导。 在一个实施例中，从光载体介质发射的光信号进入聚焦该信号的转换器（例如，缩小光信号的模式）以更好地匹配波导的物理尺寸。 使用转换器可以相对于轻载光介质直接耦合（例如对接）到波导来提高传输效率。 具体地，即使波导是亚微米波导，转换器也可以使得光传输介质将光信号直接传输到光学器件中而不使用任何外部透镜。

公开(公告)号：US20140248723A1

公开(公告)日：2014-09-04

申请号：US14276566

申请日：2014-05-13

Applicant: Cisco Technology, Inc.

Inventor： Kalpendu SHASTRI ,  Vipulkumar PATEL ,  Mark WEBSTER ,  Prakash GOTHOSKAR ,  Ravinder KACHRU ,  Soham PATHAK ,  Rao V. YELAMARTY ,  Thomas DAUGHERTY ,  Bipin DAMA ,  Kaushik PATEL ,  Kishor DESAI

IPC: H01L25/00 ,  H01L25/16

CPC classification number: H01L25/50 ,  G02B6/423 ,  G02B6/4244 ,  G02B6/4245 ,  G02B6/4249 ,  G02B6/4257 ,  G02B6/426 ,  H01L25/167 ,  H01L2224/16225 ,  H01L2224/48091 ,  H01L2224/48227 ,  H01L2924/00014

Abstract: A wafer scale implementation of an opto-electronic transceiver assembly process utilizes a silicon wafer as an optical reference plane and platform upon which all necessary optical and electronic components are simultaneously assembled for a plurality of separate transceiver modules. In particular, a silicon wafer is utilized as a “platform” (interposer) upon which all of the components for a multiple number of transceiver modules are mounted or integrated, with the top surface of the silicon interposer used as a reference plane for defining the optical signal path between separate optical components. Indeed, by using a single silicon wafer as the platform for a large number of separate transceiver modules, one is able to use a wafer scale assembly process, as well as optical alignment and testing of these modules.

Abstract translation: 光电子收发器组件过程的晶片级实现利用硅晶片作为光学参考平面和平台，同时为多个单独的收发器模块组装所有必需的光学和电子部件。 特别地，硅晶片被用作“平台”（插入器），在其上安装或集成多个收发器模块的所有组件，硅插入器的顶表面用作参考平面，用于定义 分离光学元件之间的光信号路径。 实际上，通过使用单个硅晶片作为大量单独的收发器模块的平台，可以使用晶片尺度组装过程以及这些模块的光学对准和测试。