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    Flexible Structured Optical Modules
    1.
    发明申请
    Flexible Structured Optical Modules 审中-公开
    灵活结构化光模块

    公开(公告)号：US20160274321A1

    公开(公告)日：2016-09-22

    申请号：US15075126

    申请日：2016-03-19

    Applicant: II-VI Incorporated

    Inventor： Ian Peter McClean ,  Aravanan Gurusami ,  Richard Smart ,  Mark H. Garrett ,  Mark Filipowicz

    IPC: G02B6/42 ,  G02B6/36 ,  G02B6/12

    CPC classification number: G02B6/3608 ,  G02B6/421 ,  G02B6/4292 ,  G02B6/43

    Abstract: Optical modules as used in various types of communication systems are formed to include a flexible substrate to support various optical, electronic, and opto-electronic module components in a manner that can accommodate various packaging constraints. The flexible substrate is formed of a polyimide film is known to exhibit excellent electrical isolation properties, even though the films are generally relatively thin (on the order of 10-100 μms, in most cases). The flexible polyimide film is sized to accommodate the constraints of a given package “footprint”; more particularly, sized to fit an open ‘floor area’ within package, allowing for a populated film to be placed around various other “fixed-in-place” elements . The polyimide film is easily cut and trimmed to exhibit whatever topology is convenient, while providing enough surface area to support the affixed components and associated optical fiber traces.

    Abstract translation: 在各种通信系统中使用的光学模块被形成为包括柔性基板，以可以适应各种封装约束的方式支持各种光学，电子和光电模块部件。 已知聚酰亚胺膜形成的柔性基板即使膜通常相对较薄（在大多数情况下，大约为10-100微米），表现出优异的电绝缘性能。 柔性聚酰亚胺膜的尺寸适应于给定封装“封面”的限制; 更具体地，尺寸适合于包装内的开放的“地板区域”，允许将人口化的膜放置在各种其它“固定就位”元件周围。 聚酰亚胺膜易于切割和修整，以显示出任何方便的拓扑结构，同时提供足够的表面积来支撑固定的部件和相关联的光纤迹线。

    Dual-ganged optical switch
    2.
    发明授权
    Dual-ganged optical switch 有权
    双联光开关

    公开(公告)号：US09429712B2

    公开(公告)日：2016-08-30

    申请号：US14338408

    申请日：2014-07-23

    Applicant: II-VI Incorporated

    Inventor： Massimo Martinelli ,  Mark H. Garrett ,  Aravanan Gurusami ,  Brian Daniel

    IPC: G02B6/35 ,  H04Q11/00

    CPC classification number: G02B6/3546 ,  G02B6/351 ,  G02B6/3518 ,  H04Q11/0005 ,  H04Q2011/0016 ,  H04Q2011/0026 ,  H04Q2011/003 ,  H04Q2011/0047 ,  H04Q2011/0049

    Abstract: An optical switch is configured in a “dual-ganged” switch geometry to provide for the simultaneous switching of a selected transmit/receive pair of optical signal paths between a specific optical communication device and an optical communication network. A biaxially-symmetric signal redirection component may be used to direct the signals between the selected channel and the optical communication device. A specific waveguide (e.g., fiber) array topology within the dual-ganged switch (DGS) breaks the symmetry between the network transmit/receive arrays and a pair of transmit and receive signal paths associated with the communication device to improve isolation and minimize the possibility of cross-talk between non-selected waveguides in the transmit and receive arrays. The possibility of “hits” during switching between channels can be eliminated, and is controlled by dictating the process or switching steps used to rotate the biaxially-symmetric signal redirection element.

    Abstract translation: 光开关被配置为“双联组合”开关几何形状，以提供在特定光通信设备和光通信网络之间的所选择的光信号路径对的同时切换。 可以使用双轴对称信号重定向组件来引导所选择的信道和光通信设备之间的信号。 双网络交换机（DGS）中的特定波导（例如，光纤）阵列拓扑破坏了网络发射/接收阵列与与通信设备相关联的一对发射和接收信号路径之间的对称性，以改善隔离度并最小化可能性 在发射和接收阵列中的未选择的波导之间的串扰。 可以消除在通道之间切换期间“点击”的可能性，并且通过指定用于旋转双轴对称信号重定向元件的过程或切换步骤来控制。

    Edge Propagating Optical Time Domain Reflectometer And Method Of Using The Same
    4.
    发明申请
    Edge Propagating Optical Time Domain Reflectometer And Method Of Using The Same 有权
    边缘传播光时域反射计及其使用方法

    公开(公告)号：US20160033359A1

    公开(公告)日：2016-02-04

    申请号：US14755057

    申请日：2015-06-30

    Applicant: II-VI Incorporated

    Inventor： Aravanan Gurusami ,  Timothy Zahnley ,  Scott Dahl ,  Deepak Devicharan ,  Ian Peter McClean

    IPC: G01M11/00

    CPC classification number: G01M11/3109 ,  G01M11/3145

    Abstract: An OTDR system utilizes a laser source that is turned “on” and kept powered until its light reaches the end of the fiber span being measured (i.e., until the fiber span is fully illuminated). At any point in time after the fiber is fully illuminated, the laser source can be turned “off”. The return (reflected and backscattered) signal is directed into a photodetector of the OTDR, and is measured from the point in time when the fiber span starts to be illuminated. The measurements are made by sampling the return signal at predetermined time intervals—defined as the sampling rate. The created power samples are then subjected to post-processing in the form of a differentiation operation to create a conventional OTDR trace from the collected data.

    Abstract translation: OTDR系统利用被打开的激光源并保持供电，直到其光达到被测量的光纤跨度的端部（即，直到光纤跨度被完全照明为止）。 在光纤完全照明后的任何时间点，激光源都可以被关闭。 返回（反射和反向散射）信号被引导到OTDR的光电检测器中，并且从纤维跨度开始被照亮的时间点测量。 通过以定义为采样率的预定时间间隔对返回信号进行采样来进行测量。 然后将所创建的功率样本以分化操作的形式进行后处理，以从收集的数据创建常规的OTDR迹线。

    Edge propagating optical time domain reflectometer and method of using the same
    5.
    发明授权
    Edge propagating optical time domain reflectometer and method of using the same 有权

    公开(公告)号：US10564068B2

    公开(公告)日：2020-02-18

    申请号：US15641951

    申请日：2017-07-05

    Applicant: II-VI Incorporated

    Inventor： Aravanan Gurusami ,  Timothy Zahnley ,  Scott Dahl ,  Deepak Devicharan ,  Ian Peter McClean

    IPC: G01N21/00 ,  G01M11/00

    Abstract: An OTDR system utilizes a laser source that is turned “on” and kept powered until its light reaches the end of the fiber span being measured (i.e., until the fiber span is fully illuminated). At any point in time after the fiber is fully illuminated, the laser source can be turned “off”. The return (reflected and backscattered) signal is directed into a photodetector of the OTDR, and is measured from the point in time when the fiber span starts to be illuminated. The measurements are made by sampling the return signal at predetermined time intervals—defined as the sampling rate. The created power samples are then subjected to post-processing in the form of a differentiation operation to create a conventional OTDR trace from the collected data.

    Edge Propagating Optical Time Domain Reflectometer And Method Of Using The Same
    6.
    发明申请
    Edge Propagating Optical Time Domain Reflectometer And Method Of Using The Same 审中-公开

    公开(公告)号：US20170307472A1

    公开(公告)日：2017-10-26

    申请号：US15641951

    申请日：2017-07-05

    Applicant: II-VI Incorporated

    Inventor： Aravanan Gurusami ,  Timothy Zahnley ,  Scott Dahl ,  Deepak Devicharan ,  Ian Peter McClean

    IPC: G01M11/00

    Abstract: An OTDR system utilizes a laser source that is turned “on” and kept powered until its light reaches the end of the fiber span being measured (i.e., until the fiber span is fully illuminated). At any point in time after the fiber is fully illuminated, the laser source can be turned “off”. The return (reflected and backscattered) signal is directed into a photodetector of the OTDR, and is measured from the point in time when the fiber span starts to be illuminated. The measurements are made by sampling the return signal at predetermined time intervals—defined as the sampling rate. The created power samples are then subjected to post-processing in the form of a differentiation operation to create a conventional OTDR trace from the collected data.

    Dual-Ganged Optical Switch
    8.
    发明申请
    Dual-Ganged Optical Switch 有权
    双路光开关

    公开(公告)号：US20160025934A1

    公开(公告)日：2016-01-28

    申请号：US14338408

    申请日：2014-07-23

    Applicant: II-VI Incorporated

    Inventor： Massimo Martinelli ,  Mark H. Garrett ,  Aravanan Gurusami ,  Brian Daniel

    IPC: G02B6/35 ,  H04Q11/00

    CPC classification number: G02B6/3546 ,  G02B6/351 ,  G02B6/3518 ,  H04Q11/0005 ,  H04Q2011/0016 ,  H04Q2011/0026 ,  H04Q2011/003 ,  H04Q2011/0047 ,  H04Q2011/0049

    Abstract: An optical switch is configured in a “dual-ganged” switch geometry to provide for the simultaneous switching of a selected transmit/receive pair of optical signal paths between a specific optical communication device and an optical communication network. A biaxially-symmetric signal redirection component may be used to direct the signals between the selected channel and the optical communication device. A specific waveguide (e.g., fiber) array topology within the dual-ganged switch (DGS) breaks the symmetry between the network transmit/receive arrays and a pair of transmit and receive signal paths associated with the communication device to improve isolation and minimize the possibility of cross-talk between non-selected waveguides in the transmit and receive arrays. The possibility of “hits” during switching between channels can be eliminated, and is controlled by dictating the process or switching steps used to rotate the biaxially-symmetric signal redirection element.

    Abstract translation: 光开关被配置为“双联组合”开关几何形状，以提供在特定光通信设备和光通信网络之间的所选择的光信号路径对的同时切换。 可以使用双轴对称信号重定向组件来引导所选择的信道和光通信设备之间的信号。 双网络交换机（DGS）中的特定波导（例如，光纤）阵列拓扑破坏了网络发射/接收阵列与与通信设备相关联的一对发射和接收信号路径之间的对称性，以改善隔离度并最小化可能性 在发射和接收阵列中的未选择的波导之间的串扰。 可以消除在通道之间切换期间“点击”的可能性，并且通过指定用于旋转双轴对称信号重定向元件的过程或切换步骤来控制。

    Rare earth-doped fiber amplifier with integral optical metrology functionality
    10.
    发明授权
    Rare earth-doped fiber amplifier with integral optical metrology functionality 有权
    具有整体光学计量功能的稀土掺杂光纤放大器

    公开(公告)号：US09503181B2

    公开(公告)日：2016-11-22

    申请号：US14590460

    申请日：2015-01-06

    Applicant: II-VI Incorporated

    Inventor： Ian Peter McClean ,  Aravanan Gurusami

    IPC: H04B10/00 ,  H04B10/079 ,  H04B10/50 ,  H04B10/071 ,  G01M11/00 ,  H04J14/00

    CPC classification number: H04B10/07955 ,  G01M11/3154 ,  H04B10/071 ,  H04B10/2912 ,  H04B10/503

    Abstract: A doped fiber amplifier (e.g., an erbium-doped fiber amplifier—EDFA) module is configured to include metrology functionality for performing real-time measurements of the fiber spans connected to the EDFA. In one embodiment, a separate component utilized to perform optical time domain reflectometry (OTDR) measurements is embedded with the EDFA module. The OTDR measurement component includes its own laser source and detector, which are used to analyze the input and output fiber spans associated with the EDFA. In another embodiment, the pump laser of the EDFA is also used as the optical probe light source for the OTDR component, where the source is either “switched” or “shared” between performing amplification and providing OTDR measurements. In yet another embodiment, a “dual pump” source is included with the OTDR component itself and modified to utilize one laser for amplification and the other for OTDR purposes.

    Abstract translation: 掺杂光纤放大器（例如，掺铒光纤放大器EDFA）模块被配置为包括用于对连接到EDFA的光纤跨段进行实时测量的测量功能。 在一个实施例中，用于执行光学时域反射测量（OTDR）测量的单独部件嵌入EDFA模块。 OTDR测量组件包括自己的激光源和检测器，用于分析与EDFA相关的输入和输出光纤跨度。 在另一个实施例中，EDFA的泵浦激光器也用作OTDR组件的光学探针光源，其中源在执行放大和提供OTDR测量之间“切换”或“共享”。 在又一实施例中，OTDR组件本身包含“双泵”源，并被修改为利用一个激光进行放大，另一个用于OTDR目的。

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