利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

13 条记录 (耗时 0.017 秒)

    METHOD AND SYSTEM HAVING A TRANSIMPEDANCE AMPLIFIER CIRCUIT WITH A DIFFERENTIAL CURRENT MONITORING DEVICE FOR MONITORING OPTICAL RECEIVER CIRCUIT (As amended)
    3.
    发明申请
    METHOD AND SYSTEM HAVING A TRANSIMPEDANCE AMPLIFIER CIRCUIT WITH A DIFFERENTIAL CURRENT MONITORING DEVICE FOR MONITORING OPTICAL RECEIVER CIRCUIT (As amended) 有权
    具有用于监测光接收器电路的差分电流监测装置的转移放大器电路的方法和系统（经修改）

    公开(公告)号：US20170075081A1

    公开(公告)日：2017-03-16

    申请号：US14856095

    申请日：2015-09-16

    申请人： Tom Luk ,  Christopher Falt

    发明人： Tom Luk ,  Christopher Falt

    IPC分类号： G02B6/42 ,  G01J1/44 ,  G01R19/10 ,  H03F3/08

    CPC分类号： G02B6/4225 ,  G01J1/44 ,  G01R19/10 ,  G02B6/4227 ,  H03F3/08 ,  H04B10/6911 ,  H04B10/697

    摘要： A method for monitoring a circuit. The method may include obtaining, using a total current monitoring device, a measurement of a current transmitted through a cathode in a photodetector circuit. The current may include a first photocurrent for a first photodetector and a second photocurrent for a second photodetector. The method may include obtaining, using a differential current monitoring device in a transimpedance amplifier circuit, a differential voltage proportional to a current difference between the first photocurrent and the second photocurrent. The transimpedance amplifier circuit may generate, using the first photocurrent and the second photocurrent, a first output signal and a second output signal. The method may include determining, using the differential voltage and the measurement of the current transmitted through the cathode, an amount of the first photocurrent and an amount of the second photocurrent.

    摘要翻译： 一种用于监视电路的方法。 该方法可以包括使用总电流监测装置获得通过光电检测器电路中的阴极传输的电流的测量。 电流可以包括用于第一光电检测器的第一光电流和用于第二光电检测器的第二光电流。 该方法可以包括：使用跨阻抗放大器电路中的差分电流监视装置获得与第一光电流和第二光电流之间的电流差成比例的差分电压。 跨阻放大器电路可以使用第一光电流和第二光电流产生第一输出信号和第二输出信号。 该方法可以包括使用差分电压和通过阴极传输的电流的测量来确定第一光电流的量和第二光电流的量。

    WDM PON PROTECTION SCHEME USING A DUAL PORT ARRAYED WAVEGUIDE GRATING (AWG)
    4.
    发明申请
    WDM PON PROTECTION SCHEME USING A DUAL PORT ARRAYED WAVEGUIDE GRATING (AWG) 失效
    WDM PON保护方案使用双端口阵列波形光栅（AWG）

    公开(公告)号：US20090297152A1

    公开(公告)日：2009-12-03

    申请号：US12340989

    申请日：2008-12-22

    申请人： John Bainbridge ,  Tom Luk ,  Giovanni Manto ,  James Goodchild

    发明人： John Bainbridge ,  Tom Luk ,  Giovanni Manto ,  James Goodchild

    IPC分类号： H04J14/02

    CPC分类号： H04J14/0282 ,  H04J14/029 ,  H04Q11/0067 ,  H04Q2011/0032 ,  H04Q2011/0081

    摘要： A Wavelength Division Multiplexed Passive Optical Network (WDM-PON) includes an Optical Line Terminal (OLT) including a first Arrayed Waveguide Grating (AWG) MUX/DEMUX, and a remote node including a second AWG MUX/DEMUX. Each AWG MUX/DEMUX has at least two input ports for receiving a respective wavelength division multiplexed optical signal, and a plurality of output ports. Each output port of the Optical Line Terminal AWG MUX/DEMUX is coupled to a respective transceiver of the OLT. Each output port of the remote node AWG MUX/DEMUX is coupled to a respective PON having at least one optical network terminal (ONT). Respective first and second optical paths are coupled between corresponding input ports of the first and second AWG MUX/DEMUXs. Means are provided for sourcing seed light of the WDM-PON into a selected one the first and second optical paths.

    摘要翻译： 波分复用无源光网络（WDM-PON）包括包括第一阵列波导光栅（AWG）MUX / DEMUX的光线路终端（OLT）和包括第二AWG MUX / DEMUX的远程节点。 每个AWG MUX / DEMUX具有用于接收相应的波分复用光信号的至少两个输入端口和多个输出端口。 光线路终端AWG MUX / DEMUX的每个输出端口耦合到OLT的相应收发器。 远程节点AWG MUX / DEMUX的每个输出端口耦合到具有至少一个光网络终端（ONT）的相应PON。 相应的第一和第二光路耦合在第一和第二AWG MUX / DEMUX的相应输入端口之间。 提供了用于将WDM-PON的种子光引入第一和第二光路中选定的种子的装置。

    Techniques for controlling a light source in a wavelength division multiplexed passive optical network
    5.
    发明授权
    Techniques for controlling a light source in a wavelength division multiplexed passive optical network 有权
    用于控制波分复用无源光网络中光源的技术

    公开(公告)号：US08306419B2

    公开(公告)日：2012-11-06

    申请号：US12482768

    申请日：2009-06-11

    申请人： Tom Luk ,  John Bainbridge

    发明人： Tom Luk ,  John Bainbridge

    IPC分类号： H04B10/08

    CPC分类号： H04J14/0282 ,  H04B10/2587 ,  H04B10/506 ,  H04J14/0221

    摘要： Techniques for controlling a light source in a wavelength division multiplexed passive optical network (WDM-PON) are disclosed. In one particular exemplary embodiment, the techniques may be realized as an apparatus for controlling a light source in a wavelength division multiplexed passive optical network (WDM-PON). The apparatus may include a digital signal processing device configured to output a pilot tone signal. The apparatus may also include an amplifier configured to modulate a modulation current and the pilot tone signal, and output an amplitude modulated signal. The apparatus may further include a capacitor configured to AC couple the amplitude modulated signal to a bias current applied to a light source; and a monitoring photodiode configured to detect an output optical signal of the light source and transmit the detected output optical signal to the digital signal processing device to control the output optical signal of the light source.

    摘要翻译： 公开了一种用于控制波分复用无源光网络（WDM-PON）中的光源的技术。 在一个特定的示例性实施例中，这些技术可以被实现为用于控制波分复用无源光网络（WDM-PON）中的光源的装置。 该装置可以包括被配置为输出导频音信号的数字信号处理装置。 该装置还可以包括配置成调制调制电流和导频音信号的放大器，并输出调幅信号。 该装置还可以包括：电容器，被配置为将调幅信号AC耦合到施加到光源的偏置电流; 以及监视用光电二极管，其被配置为检测所述光源的输出光信号，并将检测到的输出光信号发送到所述数字信号处理装置，以控制所述光源的输出光信号。

    Method of wavelength alignment for a wavelength division multiplexed passive optical network
    6.
    发明授权
    Method of wavelength alignment for a wavelength division multiplexed passive optical network 有权
    波分复用无源光网络的波长对准方法

    公开(公告)号：US08126332B2

    公开(公告)日：2012-02-28

    申请号：US12194912

    申请日：2008-08-20

    申请人： John Bainbridge ,  Tom Luk ,  Bin Cao

    发明人： John Bainbridge ,  Tom Luk ,  Bin Cao

    IPC分类号： H04J14/02

    CPC分类号： H04J14/0221 ,  H04B10/506 ,  H04J14/0226 ,  H04J14/0227

    摘要： Described is a method for controlling the wavelength of a laser in a wavelength division multiplexed (WDM) system. The method includes generating broadband light having a dithered optical power and a wavelength spectrum that includes a plurality of WDM wavelengths. The broadband light is spectrally filtered to generate a spectrally-sliced optical signal having a wavelength spectrum that includes one of the WDM wavelengths. The spectrally-sliced optical signal is injected into a laser and a dithered optical power of the laser is determined. A parameter of the laser is controlled in response to the determination of the dithered optical power to thereby align a wavelength of the laser to the wavelength spectrum of the spectrally-sliced optical signal.

    摘要翻译： 描述了一种用于控制波分复用（WDM）系统中的激光波长的方法。 该方法包括产生具有抖动光功率的宽带光和包括多个WDM波长的波长光谱。 对宽带光进行频谱滤波以产生具有包括WDM波长之一的波长谱的光谱切片光信号。 将光谱切片的光信号注入到激光器中，确定激光的抖动光焦度。 响应于抖动光焦度的确定来控制激光器的参数，从而将激光器的波长与光谱切片的光信号的波长光谱对准。

    WDM PON protection scheme using a dual port arrayed waveguide grating (AWG)
    7.
    发明授权
    WDM PON protection scheme using a dual port arrayed waveguide grating (AWG) 失效
    WDM PON保护方案采用双端口阵列波导光栅（AWG）

    公开(公告)号：US08306422B2

    公开(公告)日：2012-11-06

    申请号：US12340989

    申请日：2008-12-22

    申请人： John Bainbridge ,  Tom Luk ,  Giovanni Manto ,  James Goodchild

    发明人： John Bainbridge ,  Tom Luk ,  Giovanni Manto ,  James Goodchild

    IPC分类号： H04J14/00 ,  H04B10/00

    CPC分类号： H04J14/0282 ,  H04J14/029 ,  H04Q11/0067 ,  H04Q2011/0032 ,  H04Q2011/0081

    摘要： A Wavelength Division Multiplexed Passive Optical Network (WDM-PON) includes an Optical Line Terminal (OLT) including a first Arrayed Waveguide Grating (AWG) MUX/DEMUX, and a remote node including a second AWG MUX/DEMUX. Each AWG MUX/DEMUX has at least two input ports for receiving a respective wavelength division multiplexed optical signal, and a plurality of output ports. Each output port of the Optical Line Terminal AWG MUX/DEMUX is coupled to a respective transceiver of the OLT. Each output port of the remote node AWG MUX/DEMUX is coupled to a respective PON having at least one optical network terminal (ONT). Respective first and second optical paths are coupled between corresponding input ports of the first and second AWG MUX/DEMUXs. Means are provided for sourcing seed light of the WDM-PON into a selected one the first and second optical paths.

    摘要翻译： 波分复用无源光网络（WDM-PON）包括包括第一阵列波导光栅（AWG）MUX / DEMUX的光线路终端（OLT）和包括第二AWG MUX / DEMUX的远程节点。 每个AWG MUX / DEMUX具有用于接收相应的波分复用光信号的至少两个输入端口和多个输出端口。 光线路终端AWG MUX / DEMUX的每个输出端口耦合到OLT的相应收发器。 远程节点AWG MUX / DEMUX的每个输出端口耦合到具有至少一个光网络终端（ONT）的相应PON。 相应的第一和第二光路耦合在第一和第二AWG MUX / DEMUX的相应输入端口之间。 提供了用于将WDM-PON的种子光引入第一和第二光路中选定的种子的装置。

    TECHNIQUES FOR IMPLEMENTING A DUAL ARRAY WAVEGUIDE FILTER FOR A WAVELENGTH DIVISION MULTIPLEXED PASSIVE OPTICAL NETWORK
    8.
    发明申请
    TECHNIQUES FOR IMPLEMENTING A DUAL ARRAY WAVEGUIDE FILTER FOR A WAVELENGTH DIVISION MULTIPLEXED PASSIVE OPTICAL NETWORK 审中-公开
    用于实现波段多路复用被动光网络的双阵列波形滤波器的技术

    公开(公告)号：US20100129077A1

    公开(公告)日：2010-05-27

    申请号：US12493747

    申请日：2009-06-29

    申请人： John BAINBRIDGE ,  Tom Luk

    发明人： John BAINBRIDGE ,  Tom Luk

    IPC分类号： H04J14/02

    CPC分类号： H04J14/0246 ,  G02F1/292 ,  G02F1/3132 ,  G02F2203/585 ,  G02F2203/60 ,  H04J14/025 ,  H04J14/0265 ,  H04J14/0282 ,  H04J2014/0253

    摘要： Techniques for implementing a dual array waveguide filter for a wavelength division multiplexed passive optical network (WDM-PON) are disclosed. In one particular exemplary embodiment, the techniques may be realized as an apparatus for implementing a dual waveguide filter for a wavelength division multiplexed passive optical network (WDM-PON). The apparatus may include a first light source configured to output a first broadband optical signal for generating a downstream optical signal. The apparatus may also include a second light source configured to output a second broadband optical signal for generating an upstream optical signal. The apparatus may further include a dual array waveguide filter having a first optical transmission path and a second optical transmission path, wherein the first optical transmission path is configured to spectrally slice the first broadband optical signal and the second optical transmission path is configured to demultiplex the upstream optical signal.

    摘要翻译： 公开了用于波分复用无源光网络（WDM-PON）的双阵列波导滤波器的实现技术。 在一个特定的示例性实施例中，可以将技术实现为用于实现波分复用无源光网络（WDM-PON）的双波导滤波器的装置。 该装置可以包括被配置为输出用于产生下行光信号的第一宽带光信号的第一光源。 该装置还可以包括被配置为输出用于产生上游光信号的第二宽带光信号的第二光源。 该装置还可以包括具有第一光传输路径和第二光传输路径的双阵列波导滤波器，其中第一光传输路径被配置为对第一宽带光信号进行频谱分片，并且第二光传输路径被配置为对 上行光信号。