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    Passive alignment of optical components using optical fiber stubs
    1.
    发明授权
    Passive alignment of optical components using optical fiber stubs 有权
    使用光纤短路的光学元件的被动对准

    公开(公告)号：US09575267B1

    公开(公告)日：2017-02-21

    申请号：US14930857

    申请日：2015-11-03

    Applicant: Cisco Technology, Inc.

    Inventor： Kalpendu Shastri ,  Soham Pathak ,  Rao V. Yelamarty ,  Neeraj Kumar Dubey

    IPC: G02B6/42

    CPC classification number: G02B6/4292 ,  G02B6/421 ,  G02B6/423 ,  G02B6/4243 ,  G02B6/425

    Abstract: Embodiments herein include an optical system that passively aligns an optical component (e.g., a fiber array connector, lens array, lens body, etc.) with a semiconductor substrate using trenches that mate with optical fiber stubs. In one embodiment, the trenches are etched into the semiconductor substrate which provides support to optical devices (e.g., lasers, lens arrays, photodetectors, etc.) that transmit optical signals to, or receive optical signals from, the optical component. An underside of the optical component is etched to include at least two grooves (e.g., V-grooves) for receiving optical fiber stubs. In one embodiment, the optical fiber stubs are a portion of optical fiber that includes the core and cladding but not the insulative jacket. Once the fiber stubs are attached to the grooves, the fiber stubs are disposed into the trenches in the semiconductor substrate thereby passively aligning the optical component to the optical device on the substrate.

    Abstract translation: 本文的实施例包括使用与光纤短截线配合的沟槽将光学部件（例如，光纤阵列连接器，透镜阵列，透镜主体等）与半导体基板无功地对准的光学系统。 在一个实施例中，沟槽被蚀刻到半导体衬底中，该半导体衬底为向光学部件发射光信号或从光学部件接收光信号的光学器件（例如，激光器，透镜阵列，光电检测器等）提供支持。 光学部件的下侧被蚀刻以包括用于接收光纤短截线的至少两个凹槽（例如，V形槽）。 在一个实施例中，光纤短截线是包括芯和包层而不是绝缘套的光纤的一部分。 一旦纤维短截线连接到凹槽上，则将光纤短截线设置在半导体衬底中的沟槽中，从而将光学部件无源地对准衬底上的光学器件。

    Aligning optical components in a multichannel receiver or transmitter platform
    2.
    发明授权
    Aligning optical components in a multichannel receiver or transmitter platform 有权
    在多通道接收器或发射器平台中对准光学部件

    公开(公告)号：US09419718B2

    公开(公告)日：2016-08-16

    申请号：US14462239

    申请日：2014-08-18

    Applicant: Cisco Technology, Inc.

    Inventor： Prakash Gothoskar ,  Vipulkumar Patel ,  Kalpendu Shastri ,  Rao V. Yelamarty

    IPC: G02B5/08 ,  G02B6/28 ,  H04B10/40 ,  G02B6/42

    CPC classification number: H04B10/40 ,  G02B6/4215 ,  G02B6/423 ,  G02B6/4244 ,  G02B6/4249

    Abstract: Embodiments described herein describe a sub-mount that is etched to include respective cavities with at least two adjacent sides that align optical filters and a mirror. Moreover, the cavities are arranged on the sub-mount such that when the filters and mirror are disposed in the cavities, they align in a manner that enables the performance of a multiplexing or demultiplexing function as part of, for example, a zigzag multiplexer/demultiplexer. In one embodiment, the filters and mirrors are aligned passively rather than actively. The sub-mount may then be placed on a substrate that includes other components of a ROSA or TOSA. In one embodiment, the substrate is also etched to include a cavity two adjacent sides to align the sub-mount so that sub-mount is passively aligned once disposed into the cavity.

    Abstract translation: 本文所述的实施例描述了一种子座，其被蚀刻以包括具有对准光学滤光器和反射镜的至少两个相邻侧的相应空腔。 此外，空腔被布置在子安装座上，使得当滤光器和反射镜设置在空腔中时，它们以使得能够执行复用或解复用功能作为例如锯齿形复用器/ 解复用器 在一个实施例中，滤波器和反射镜被动地而不是主动对准。 然后可以将该子安装件放置在包括ROSA或TOSA的其它部件的基板上。 在一个实施例中，衬底也被蚀刻以包括两个相邻侧面的空腔以对准子安装座，使得一旦设置在空腔中，子安装座被动地对准。

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