公开(公告)号：US08755651B2

公开(公告)日：2014-06-17

申请号：US12927066

申请日：2010-11-05

申请人： Ming Wu ,  Deepak Devicharan ,  Scott R. Dahl ,  Xuefeng Yue ,  Michael Lee Saenz

发明人： Ming Wu ,  Deepak Devicharan ,  Scott R. Dahl ,  Xuefeng Yue ,  Michael Lee Saenz

IPC分类号： G02B6/32

CPC分类号： G02B6/29313 ,  G02B6/3512 ,  G02B6/3546 ,  G02B6/3556 ,  G02B6/356

摘要： Described are tunable multiport optical filters that filter systems with many optical channels in a convenient and cost-effective manner. The tunable multiport optical filters of the invention are simple in design and have few optical components. The basic elements are a dispersion element and a rotating reflector. With properly arranged arrays of input and output optical fibers, individual wavelength components from a selected input beam are spatially separated and steered by the rotating reflector to selected output locations. The optical properties from the selected components may be measured by one or more photodetectors. The filters are also useful for selecting and routing optical signals.

摘要翻译： 描述了可调谐的多端口光学滤波器，其以便利且成本有效的方式对具有许多光学通道的系统进行过滤。 本发明的可调谐多端口光学滤波器设计简单，光学元件少。 基本元件是分散元件和旋转反射器。 通过适当布置的输入和输出光纤阵列，来自所选输入光束的各个波长分量在空间上被旋转反射器分离并转向选定的输出位置。 来自所选组分的光学性质可以由一个或多个光电探测器测量。 滤波器也可用于选择和路由光信号。

公开(公告)号：US08577192B2

公开(公告)日：2013-11-05

申请号：US12804627

申请日：2010-07-26

申请人： Ming Cai ,  Ruibo Wang ,  Ming Wu ,  Xuefeng Yue

发明人： Ming Cai ,  Ruibo Wang ,  Ming Wu ,  Xuefeng Yue

IPC分类号： G02B6/32

CPC分类号： G02B6/29311 ,  G02B6/29313 ,  G02B6/3512 ,  G02B6/356

摘要： Described are tunable multiport optical filters that filter systems with many optical channels in a convenient and cost-effective manner. The tunable multiport optical filters of the invention are simple in design and have few optical components. The basic elements are a dispersion element and a rotating mirror. With properly arranged arrays of input and output optical fibers, individual wavelength components from a selected input beam are spatially separated and steered by the rotating mirror to selected output locations. The optical properties from the selected components may be measured by one or more photodetectors. The filters are also useful for selecting and routing optical signals.

摘要翻译： 描述了可调谐的多端口光学滤波器，其以便利且成本有效的方式对具有许多光学通道的系统进行过滤。 本发明的可调谐多端口光学滤波器设计简单，光学元件少。 基本元素是分散元件和旋转镜。 通过适当排列的输入和输出光纤阵列，来自所选输入光束的各个波长分量在空间上被旋转镜反射到选定的输出位置。 来自所选组分的光学性质可以由一个或多个光电探测器测量。 滤波器也可用于选择和路由光信号。

公开(公告)号：US08326153B2

公开(公告)日：2012-12-04

申请号：US12757712

申请日：2010-04-09

申请人： Lan Sheng ,  Aaron Zilkie ,  Mark Summa ,  Timothy Kent Zahnley ,  Peter G. Wigley

发明人： Lan Sheng ,  Aaron Zilkie ,  Mark Summa ,  Timothy Kent Zahnley ,  Peter G. Wigley

IPC分类号： H04B10/00 ,  H04B10/12 ,  H04J14/02

CPC分类号： H04B10/2513

摘要： A tunable dispersion compensator (TDC) is tuned from a first dispersion setpoint to a second dispersion setpoint while maintaining continuity of the dispersion. The dispersion tuning follows a pre-determined trajectory in the time domain, so that continuity of the optical dispersion across the channel optical bandwidth is maintained while minimizing all other TDC-induced optical impairments during a tuning period.

摘要翻译： 可调谐色散补偿器（TDC）从第一色散设定点调整到第二色散设定点，同时保持色散的连续性。 色散调谐遵循时域中的预定轨迹，从而保持在通道光学带宽上的光学色散的连续性，同时在调谐周期期间最小化所有其它TDC引起的光学损伤。

公开(公告)号：US08213073B2

公开(公告)日：2012-07-03

申请号：US12592812

申请日：2009-12-03

申请人： Mark Summa ,  Peter Gerard Wigley ,  Aravanan Gurusami ,  Ghang-Ho Lee ,  Douglas Lleweilyn Butler ,  Robert David Paul Ridding ,  Timothy Kent Zahnley

发明人： Mark Summa ,  Peter Gerard Wigley ,  Aravanan Gurusami ,  Ghang-Ho Lee ,  Douglas Lleweilyn Butler ,  Robert David Paul Ridding ,  Timothy Kent Zahnley

IPC分类号： G02F1/03 ,  G02F1/01 ,  G02B26/00

CPC分类号： G02B6/29358 ,  G02B6/29394 ,  G02B6/29395 ,  G02B6/29398

摘要： Described is a method for designing individual stages of a multiple cascaded etalon TDC device to allow continuous thermo-optic tuning over a desired range without inducing incremental signal distortion due to uncontrolled and unpredictable dispersion of the TDC during tuning. This allows the signal to transmit without encountering periods of incremental distortion or dark spots. The method includes prior knowledge of each etalon stage, after full assembly, for spectral group delay profile as a function of temperature through modeling and/or characterization. Characterization can account for performance variations that are due to allowed manufacturing tolerances.

摘要翻译： 描述了一种用于设计多级联标准信号TDC设备的各个级的方法，以允许在期望范围内的连续热光调谐，而不会在调谐期间由于TDC的不受控制和不可预测的色散而引起增量信号失真。 这允许信号传输而不会遇到增量失真或黑点的周期。 该方法包括在完全组装之后的每个标准具阶段的先前知识，用于通过建模和/或表征作为温度的函数的光谱组延迟谱。 表征可以解释由于允许的制造公差导致的性能变化。

公开(公告)号：US08064036B2

公开(公告)日：2011-11-22

申请号：US12433769

申请日：2009-04-30

申请人： Xuefeng Yue ,  Christopher Lin ,  Ruipeng Sun ,  Ruibo Wang

发明人： Xuefeng Yue ,  Christopher Lin ,  Ruipeng Sun ,  Ruibo Wang

IPC分类号： G02B6/35 ,  G02F1/13

CPC分类号： G02F1/31 ,  G02B6/3524 ,  G02F1/1396 ,  G02F2203/06 ,  G02F2203/58

摘要： An optical device has the structure to perform switching and attenuation of an optical beam with reduced polarization dependent loss (PDL). The optical device includes a birefringent displacer and two liquid crystal (LC) structures. The first LC structure is used to condition s-polarized components of the optical beam and the second LC structure is used to condition p-polarized components of the optical beam. Each LC structure has a separate control electrode so that the s-polarized components of the optical beam and the p-polarized components of the optical beam can be conditioned differently and in such a manner that reduces PDL. The optical device may be configured for processing multiple input light beams, such as the multiple wavelength channels de-multiplexed from a wavelength division multiplexed (WDM) optical signal.

摘要翻译： 光学器件具有以减小的偏振相关损耗（PDL）来执行光束的切换和衰减的结构。 光学器件包括双折射置换器和两个液晶（LC）结构。 第一个LC结构用于调节光束的s极化分量，第二个LC结构用于调节光束的p偏振分量。 每个LC结构具有单独的控制电极，使得光束的s偏振分量和光束的p偏振分量可以被不同地调节并且以减少PDL的方式进行调节。 光学装置可以被配置为处理多个输入光束，例如从波分复用（WDM）光信号解复用的多个波长信道。

公开(公告)号：US08027583B2

公开(公告)日：2011-09-27

申请号：US12313584

申请日：2008-11-21

申请人： Christopher Lin

发明人： Christopher Lin

IPC分类号： H04B10/08

CPC分类号： H04B10/0795 ,  H04J14/0227

摘要： The specification describes optical performance monitors which are simplified by coupling single tunable optical filters to multiple channels being monitored. Optical measurements for more than one channel may be made simultaneously. The optical system architecture is preferably an optical performance monitor for a WDM system. In a system designed according to the invention n channels may be monitored using n photodetectors, n optical splitters, but only n/2 tunable optical filters. Additional system simplification may be obtained using optical switching elements coupled to the optical splitters.

摘要翻译： 该规范描述了通过将单个可调谐光学滤波器耦合到被监视的多个通道来简化的光学性能监视器。 可以同时进行多个通道的光学测量。 光学系统架构优选地是用于WDM系统的光学性能监视器。 在根据本发明设计的系统中，可以使用n个光电检测器，n个分光器，但是仅n / 2个可调谐光学滤波器来监测n个通道。 可以使用耦合到光分路器的光开关元件来获得附加的系统简化。

公开(公告)号：US07929108B2

公开(公告)日：2011-04-19

申请号：US12032238

申请日：2008-02-15

申请人： Giovanni Barbarossa

发明人： Giovanni Barbarossa

IPC分类号： G02F1/29

CPC分类号： G02F1/0136 ,  G02B6/2713 ,  G02B6/2931 ,  G02F1/134309 ,  G02F1/13439 ,  G02F1/31 ,  G02F2001/13355 ,  G02F2201/122 ,  G02F2203/07 ,  G02F2203/585 ,  H04J14/02

摘要： An optical switching device includes an array of liquid crystal macropixels, wherein each macropixel includes at least two liquid crystal subpixels. The subpixels may be controlled together to act as a single polarizing pixel, or independently to act as multiple polarizing pixels. When the switching device processes a WDM having a wide channel spacing, the subpixels are controlled together, and when the switching device processes a WDM having a narrow channel spacing, each subpixel is controlled independently.

摘要翻译： 一种光学开关装置包括液晶宏片阵列，其中每个大像素包括至少两个液晶子像素。 子像素可以一起被控制以用作单个偏振像素，或独立地用作多个偏振像素。 当切换装置处理具有宽信道间隔的WDM时，子像素被一起控制，并且当开关装置处理具有窄信道间隔的WDM时，每个子像素被独立地控制。

公开(公告)号：US07885546B2

公开(公告)日：2011-02-08

申请号：US11877621

申请日：2007-10-23

申请人： Samuel Liu ,  Xiaodong Duan ,  Giovanni Barbarossa

发明人： Samuel Liu ,  Xiaodong Duan ,  Giovanni Barbarossa

IPC分类号： H04J14/08

CPC分类号： H04L12/465 ,  H04L49/351

摘要： A method and apparatus for multiplexing multiple Ethernet-based data streams in an optical network reduce the number of optical transceivers required by the optical network. Multiple data streams are multiplexed into a combined data stream, transmitted from a node in the optical network as the combined data stream, and demultiplexed at the receiving node. Data streams are multiplexed and demultiplexed at the bit level, and packets from each data stream are routed based on a VLAN tag that is contained in the header of each packet. By transmitting the information contained in multiple data streams as a single multiplexed data stream, the number of optical transceivers required for the optical network may be reduced by more than half. An optical supervisory channel may also be bundled with one of the data streams to eliminate the need for a dedicated transceiver for the optical supervisory channel.

摘要翻译： 用于在光网络中复用多个基于以太网的数据流的方法和装置减少了光网络所需的光收发器的数量。 多个数据流被复用到组合数据流中，作为组合数据流从光网络中的节点发送，并在接收节点解复用。 数据流在比特级别被复用和解复用，并且来自每个数据流的分组基于包含在每个分组的报头中的VLAN标签来路由。 通过将包含在多个数据流中的信息作为单个复用数据流发送，光网络所需的光收发器的数量可以减少一半以上。 光学监控信道也可以与数据流中的一个捆绑在一起，以消除对用于光学监控信道的专用收发器的需要。

公开(公告)号：US07856037B2

公开(公告)日：2010-12-21

申请号：US11687444

申请日：2007-03-16

申请人： Aravanan Gurusami ,  Douglas Llewellyn Butler ,  Timothy K. Zahnley ,  Scott R. Dahl ,  Peter G. Wigley

发明人： Aravanan Gurusami ,  Douglas Llewellyn Butler ,  Timothy K. Zahnley ,  Scott R. Dahl ,  Peter G. Wigley

IPC分类号： H01S3/13 ,  H01S3/00

CPC分类号： H01S3/06754 ,  H01S3/094003 ,  H01S3/094076 ,  H01S3/0941 ,  H01S3/10069 ,  H01S3/1301

摘要： The present invention generally relates to the operation of optical network equipment such as optical amplifiers. In one aspect, a method of operating an optical amplifier is provided such that output of the optical amplifier avoids the effects of operating an optical gain medium in a non-linear (kink) region of an L-I curve. The method generally includes operating an optical gain medium in a fully off state or fully on state above the kink region with a PWM signal. In another aspect, the effects of the kink region may be compensated for by utilizing a lookup table. A sample of the optical power of an amplified optical signal may be used to select an entry in the lookup table that compensates for non-linearities in the kink region. In yet a further aspect, a lookup table may be used to control a pulse modulator to compensate for non-linearites in the kink region of the L-I curve.

摘要翻译： 本发明一般涉及诸如光放大器之类的光网络设备的操作。 一方面，提供了一种操作光放大器的方法，使得光放大器的输出避免了在L-I曲线的非线性（扭结）区域中操作光学增益介质的影响。 该方法通常包括以PWM信号操作处于扭结区域的完全关闭状态或完全导通状态的光学增益介质。 在另一方面，可以通过利用查找表来补偿扭结区域的影响。 放大的光信号的光功率的样本可以用于选择补偿在扭结区域中的非线性的查找表中的条目。 在另一方面，可以使用查找表来控制脉冲调制器来补偿L-I曲线的扭结区域中的非线性元素。

公开(公告)号：US08358466B2

公开(公告)日：2013-01-22

申请号：US12584886

申请日：2009-09-14

申请人： Ming Cai ,  Ruibo Wang

发明人： Ming Cai ,  Ruibo Wang

IPC分类号： G02B5/30

CPC分类号： G02B27/283

摘要： Delay line interferometer designs using combinations of basic optical components that are expected to simplify manufacture and reduce costs while still providing precision optical performance. The main operative components of these designs are polarization beam splitters, birefringent crystals, optical delay components, and waveplates. Temperature controllers may be provided for adjusting the delay of the optical delay components.

摘要翻译： 延迟线干涉仪设计使用基本光学部件的组合，预计将简化制造并降低成本，同时仍然提供精确的光学性能。 这些设计的主要操作部件是偏振分束器，双折射晶体，光学延迟元件和波片。 可以提供温度控制器来调节光学延迟部件的延迟。