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71. 发明授权

US09203682B2 Frequency-dependent I/Q-signal imbalance correction coherent optical transceivers 有权
标题翻译：频率依赖的I / Q信号不平衡校正相干光收发器
公开(公告)号：US09203682B2
公开(公告)日：2015-12-01
申请号：US12876489
申请日：2010-09-07
申请人： Peter J. Winzer , Xiang Liu , Chandrasekhar Sethumadhavan , Alan H. Gnauck
发明人： Peter J. Winzer , Xiang Liu , Chandrasekhar Sethumadhavan , Alan H. Gnauck
IPC分类号： H04B10/00 , H04L27/38 , H04B10/60 , H04B10/61 , H04L27/00
CPC分类号： H04L27/3863 , H04B10/60 , H04B10/611 , H04B10/613 , H04L27/0014
摘要： In one embodiment, a coherent optical receiver has a digital signal processor that processes one or more digital I/Q-signal pairs to recover data carried by a modulated optical signal in a manner that mitigates, based on calibration data retrieved from a memory or on appropriate performance measures and feedback mechanisms, the detrimental effects of frequency-dependent imbalances between the I and Q sub-channels of at least one of the I/Q channels of the receiver. In various embodiments, the calibration data can be generated and written into the memory at the fabrication facility or in situ while the receiver is being operated in a calibration mode. Alternatively or in addition, the calibration data can be generated and dynamically adjusted online during normal operation of the receiver.
摘要翻译：在一个实施例中，相干光接收器具有数字信号处理器，其处理一个或多个数字I / Q信号对以恢复由调制的光信号携带的数据，其方法是基于从存储器或从存储器检索的校准数据减轻适当的性能测量和反馈机制，接收机的至少一个I / Q信道的I和Q子信道之间频率不平衡的有害影响。在各种实施例中，在接收器以校准模式操作的同时，校准数据可以在制造设备处或在原位产生并写入存储器。或者或另外，校准数据可以在接收机的正常操作期间在线生成和动态调整。

72. 发明授权

US09077455B2 Optical receiver having a MIMO equalizer 有权
标题翻译：具有MIMO均衡器的光接收机
公开(公告)号：US09077455B2
公开(公告)日：2015-07-07
申请号：US13729403
申请日：2012-12-28
申请人： Sebastian A. Randel , Rene-Jean Essiambre , Peter J. Winzer , Roland Ryf
发明人： Sebastian A. Randel , Rene-Jean Essiambre , Peter J. Winzer , Roland Ryf
IPC分类号： H04B10/60 , H04B10/61
CPC分类号： H04B10/614 , H04B10/616
摘要： An optical receiver comprising an optical-to-electrical converter and a digital processor having one or more equalizer stages. The optical-to-electrical converter is configured to mix an optical input signal and an optical local-oscillator signal to generate a plurality of electrical digital measures of the optical input signal. The digital processor is configured to process the electrical digital measures to recover the data carried by the optical input signal. At least one of the equalizer stages is configured to perform signal-equalization processing in which the electrical digital measures and/or digital signals derived from the electrical digital measures are being treated as linear combinations of arbitrarily coupled signals, rather than one or more pairs of 90-degree phase-locked I and Q signals. The latter feature enables the digital processor to more-effectively mitigate the receiver-, link-, and/or transmitter-induced signal impairments because various orthogonality-degrading effects can be mitigated in a relatively straightforward manner.
摘要翻译：一种光接收机，包括光电转换器和具有一个或多个均衡器级的数字处理器。光 - 电转换器被配置为混合光输入信号和光本地振荡器信号以产生光输入信号的多个电数字测量。数字处理器被配置为处理电数字措施以恢复由光输入信号携带的数据。均衡器级中的至少一个被配置为执行信号均衡处理，其中从电数字测量导出的电数字测量和/或数字信号被视为任意耦合信号的线性组合，而不是一对或多对 90度锁相I和Q信号。后者的特征使得数字处理器可以更有效地减轻接收机，链路和/或发射机诱发的信号损伤，因为可以以相对简单的方式减轻各种正交性降级的影响。

73. 发明授权

US08958703B2 Multipath channel for optical subcarrier modulation 有权
标题翻译：用于光子载波调制的多径信道
公开(公告)号：US08958703B2
公开(公告)日：2015-02-17
申请号：US13182513
申请日：2011-07-14
申请人： Peter J. Winzer , Gerard J. Foschini
发明人： Peter J. Winzer , Gerard J. Foschini
IPC分类号： H04B10/12 , H04B10/00 , G02B6/14 , H04J14/04 , H04B10/2581 , H04L1/00
CPC分类号： G02B6/14 , H04B10/2581 , H04J14/04 , H04L1/004
摘要： In a representative embodiment, a multipath channel and an optical subcarrier modulation scheme are designed in concert to cause different modulated subcarriers of the optical communication signal to become substantially uncorrelated over the aggregate signal bandwidth. Provided that the employed FEC code has sufficient error-correcting capability for average channel conditions, breakdowns in the operation of the FEC decoder and the corresponding system outages can substantially be avoided.
摘要翻译：在代表性实施例中，多路径信道和光子载波调制方案被一致地设计成使得光通信信号的不同调制副载波在聚合信号带宽上变得基本上不相关。假设所使用的FEC码对于平均信道条件具有足够的纠错能力，则可以基本上避免FEC解码器的操作故障和相应的系统中断。

74. 发明授权

US08934786B2 Communication through pre-dispersion-compensated phase-conjugated optical variants 有权
标题翻译：通过预色散补偿相位共轭光学变体进行通信
公开(公告)号：US08934786B2
公开(公告)日：2015-01-13
申请号：US13601236
申请日：2012-08-31
申请人： Xiang Liu , Peter J. Winzer , Andrew Roman Chraplyvy , Robert William Tkach
发明人： Xiang Liu , Peter J. Winzer , Andrew Roman Chraplyvy , Robert William Tkach
IPC分类号： H04B10/04 , H04B10/516 , H04B10/2513
CPC分类号： H04B10/516 , H04B10/25137
摘要： An apparatus comprises an optical transmitter that comprises a processor and at least one optical modulator. The processor is configured to generate electronic representations of at least two pre-dispersion-compensated phase-conjugated optical variants carrying a same modulated payload data for transmission. The at least one optical modulator is configured to modulate the electronic representations, wherein an amount of dispersion induced on the pre-dispersion-compensated phase-conjugated optical variants depends on an accumulated dispersion (AD) of a transmission link through which the pre-dispersion-compensated phase-conjugated optical variants are to be transmitted. The amount of dispersion induced on the phase-conjugated optical variants may be approximately −AD/2, where AD is the accumulated dispersion of the transmission link. The pre-dispersion-compensated phase-conjugated optical variants are different from one another in one or more dimensions such as the polarization of light, the time of transmission, the spatial localization, the optical carrier wavelength, or the subcarrier frequency during transmission.
摘要翻译：一种装置包括光发射机，其包括处理器和至少一个光调制器。处理器被配置为生成携带相同调制有效载荷数据以进行传输的至少两个预色散补偿相位共轭光学变型的电子表示。所述至少一个光调制器被配置为调制电子表示，其中在预色散补偿的相位共轭光学变体上感应的色散量取决于传输链路的累积色散（AD），通过该传播链路的预分散补偿的相位共轭光学变体将被传输。在相位共轭光学变体上引起的色散量可以近似为-AD / 2，其中AD是传输链路的累积色散。预色散补偿相位共轭光学变体在一个或多个维度上彼此不同，例如光的偏振，透射时间，空间定位，光载波波长或透射期间的副载波频率。

75. 发明申请

US20140294392A1 HIGH-THROUGHPUT ROUTING IN AN OPTICAL NETWORK HAVING A MESH TOPOLOGY 有权
标题翻译：具有网格拓扑的光网络中的高通路径
公开(公告)号：US20140294392A1
公开(公告)日：2014-10-02
申请号：US13852328
申请日：2013-03-28
申请人： Peter J. Winzer , Kodialam Murali , Tirunell V. Lakshman
发明人： Peter J. Winzer , Kodialam Murali , Tirunell V. Lakshman
IPC分类号： H04J14/02
CPC分类号： H04J14/0284 , H04J14/0201 , H04J14/0227 , H04J14/0257 , H04J14/0267 , H04L45/121 , H04L45/62 , H04L45/64
摘要： An optical routing scheme in which an optical network having a mesh topology is configured to route optical packets through an optical routing layout superimposable with the mesh topology, but having a star-like topology. Using this routing layout, the optical network can be configured to transport optical packets from respective ingress nodes, through the hub node located at the star center, to respective egress nodes in a manner that enables a data throughput that approaches the theoretical capacity. No special hardware is required for implementing the hub functionality, and any node of the optical network can be configured to serve as the hub node. The latter feature enables relatively straightforward optimization of the optical routing layout and transmission schedule, e.g., by changing the identity of the hub node and adjusting the transmission schedule at the ingress nodes to synchronize packet arrivals to the hub node.
摘要翻译：一种光路由方案，其中具有网状拓扑的光网络被配置为通过与网状拓扑重叠但具有星形拓扑的光路由布局路由光分组。使用该路由布局，光网络可以被配置为以使得能够接近理论容量的数据吞吐量的方式将来自相应入口节点的光分组传输到位于星中心的集线器节点到相应出口节点。实现集线器功能不需要特殊硬件，光网络的任何节点都可以配置为集线器节点。后者的特征使得可以例如通过改变集线器节点的身份并调整入口节点处的传输调度以使分组到达中心到集线器节点而使光路由布局和传输调度相对简单的优化。

76. 发明申请

US20140186030A1 Optical Fibers With Varied Mode-Dependent Loss 有权
标题翻译：具有不同模式依赖损耗的光纤
公开(公告)号：US20140186030A1
公开(公告)日：2014-07-03
申请号：US13730131
申请日：2012-12-28
申请人： Peter J. Winzer , Kyle C. Guan , Emina Soljanin
发明人： Peter J. Winzer , Kyle C. Guan , Emina Soljanin
IPC分类号： H04B10/07 , G02B6/02
CPC分类号： H04B10/0705 , G02B6/02042 , G02B6/02342
摘要： Various embodiments provide for detection of tapping of an optical signal. In one embodiment an optical fiber includes a cladding region and first and second core regions. The first core region has a first core medium having a first mode-dependent loss (MDL) figure of merit. The second core region has a second core medium having a second different MDL figure of merit. Tapping of the optical signal may be determined to occur when the MDL of the first and second optical signals differs by a predetermined threshold value.
摘要翻译：各种实施例提供了检测光信号的敲击。在一个实施例中，光纤包括包层区域和第一和第二核心区域。第一核心区域具有第一核心介质，其具有第一模式相关损耗（MDL）品质因数。第二核心区域具有具有第二不同MDL品质因数的第二核心介质。当第一和第二光信号的MDL相差预定阈值时，可以确定发生光信号的敲击。

77. 发明申请

US20130236175A1 Method And Apparatus For Space-Division Multiplexing Systems 有权
标题翻译：空分复用系统的方法与装置
公开(公告)号：US20130236175A1
公开(公告)日：2013-09-12
申请号：US13602722
申请日：2012-09-04
申请人： Chandrasekhar Sethumadhavan , Xiang Liu , Peter J. Winzer , Alan H. Gnauck
发明人： Chandrasekhar Sethumadhavan , Xiang Liu , Peter J. Winzer , Alan H. Gnauck
IPC分类号： H04Q11/00
CPC分类号： H04Q11/0003 , G02B6/02042 , G02B6/26 , G02B6/29383 , H04J14/00 , H04J14/02 , H04J14/021 , H04J14/0212 , H04J14/04
摘要： A space division multiplexed (SDM) transmission system that includes at least two segments of transmission media in which a spatial assignment of the two segments is different is provided. For example, the SDM transmission may include a first segment of transmission media having a first spatial assignment and a second segment of transmission media having a second spatial assignment, wherein the first spatial assignment differs from the second spatial assignment. An example method obtains an optical signal on a first segment of transmission media having a first spatial assignment and forwards the optical signal on a second segment of transmission media with a different spatial assignment. The transmission media may be a multi-core fiber (MCF), a multi-mode fiber (MMF), a few-mode fiber (FMF), or a ribbon cable comprising nominally uncoupled single-mode fiber (SMF).
摘要翻译：提供了包括两个段的空间分配不同的至少两个传输介质段的空分复用（SDM）传输系统。例如，SDM传输可以包括具有第一空间分配的传输介质的第一段和具有第二空间分配的传输介质的第二段，其中第一空间分配与第二空间分配不同。示例性方法在具有第一空间分配的传输介质的第一段上获得光信号，并且在具有不同空间分配的第二传输介质段上转发光信号。传输介质可以是多芯光纤（MCF），多模光纤（MMF），多模光纤（FMF）或包括名义上脱耦单模光纤（SMF）的带状电缆）。

78. 发明授权

US08503845B2 Multi-core optical fiber and optical communication systems 有权
标题翻译：多芯光纤和光通信系统
公开(公告)号：US08503845B2
公开(公告)日：2013-08-06
申请号：US13076917
申请日：2011-03-31
申请人： Peter J. Winzer , Christopher Richard Doerr
发明人： Peter J. Winzer , Christopher Richard Doerr
IPC分类号： G02B6/02
CPC分类号： G02B6/02042 , C03B37/01222 , C03B2203/26 , C03B2203/34 , G02B6/0288 , H04B10/2581
摘要： An apparatus includes an optical fiber having a plurality of optical cores therein. Each optical core is located lateral in the optical fiber to the remaining one or more optical cores and is able to support a number of propagating optical modes at telecommunications wavelengths. Each number is less than seventy.
摘要翻译：一种装置包括其中具有多个光学核的光纤。每个光学核心位于光纤中的剩余的一个或多个光学核心的侧面，并且能够支持多个在通信波长处的传播光学模式。每个数字不到七十。

79. 发明申请

US20130070786A1 Communication Through Phase-Conjugated Optical Variants 审中-公开
标题翻译：通过相位共轭光学变体进行通信
公开(公告)号：US20130070786A1
公开(公告)日：2013-03-21
申请号：US13411462
申请日：2012-03-02
申请人： Xiang Liu , Andrew Roman Chraplyvy , Robert William Tkach , Peter J. Winzer
发明人： Xiang Liu , Andrew Roman Chraplyvy , Robert William Tkach , Peter J. Winzer
IPC分类号： H04B10/00 , H04J14/00
CPC分类号： C02F1/78 , H04B10/00 , H04B10/516 , H04B10/61 , Y02W10/37
摘要： An optical transport system configured to transmit at least two phase-conjugated optical variants carrying the same modulated symbols, with the phase-conjugated optical variants in being different from one another in one or more of polarization of light, the time of transmission, spatial localization, optical carrier wavelength, and subcarrier frequency during transmission. The two phase-conjugated optical variants can be generated by a single polarization-diversity transmitter to be orthogonally polarized, and propagate through an optical transmission link with the same wavelength and spatial path. The optical variants are detected and processed at the receiver in a manner that enables coherent summation of the corresponding electrical signals prior to constellation de-mapping. The coherent summation tends to cancel out the deleterious effects of nonlinear distortions imparted on the individual phase-conjugated optical variants in an optical fiber transmission link because said nonlinear distortions tend to be opposite to each other.
摘要翻译：一种光传送系统，被配置为传送携带相同调制符号的至少两个相位共轭光学变体，相位共轭光学变体在光的偏振中的一个或多个中的彼此不同，传输时间，空间定位，光载波波长，以及传输期间的副载波频率。两个相位共轭的光学变型可以由单个偏振分集发射器产生，以被正交极化，并且通过具有相同波长和空间路径的光传输链路传播。在接收机处以这样的方式检测和处理光学变体，使得能够在星座解映射之前对相应的电信号进行相干相加。相干相加倾向于抵消由于所述非线性失真倾向于彼此相反而在光纤传输链路中赋予单个相位共轭光学变型的非线性失真的有害影响。

80. 发明申请

US20120189303A1 OPTICAL TRANSPORT MULTIPLEXING CLIENT TRAFFIC ONTO PARALLEL LINE SYSTEM PATHS 审中-公开
标题翻译：光纤传输多路复用客户端交流并行线路系统
公开(公告)号：US20120189303A1
公开(公告)日：2012-07-26
申请号：US13012613
申请日：2011-01-24
申请人： Peter J. Winzer , Andrew Roman Chraplyvy , Robert William Tkach
发明人： Peter J. Winzer , Andrew Roman Chraplyvy , Robert William Tkach
IPC分类号： H04J14/00
CPC分类号： H04J14/02 , H04J14/0227 , H04J14/0279 , H04J14/04 , H04J14/06 , H04L1/22 , H04L5/0005 , H04L27/0008
摘要： An optical line card system includes one or more input interfaces for receiving information, a line interface comprising a plurality of line transponders, and a multiplexer for multiplexing output of the one or more input interfaces onto the plurality of line transponders. The one or more input interfaces have an aggregate information rate RC. The plurality of line transponders have an aggregate information rate RL that is less than or approximately equal to the aggregate information rate RC of the one or more of client interfaces. Each of the line transponders employs a modulation format with a spectral efficiency that enables transmission with at most one opto-electronic regeneration point per link to an end point for electronic routing or switching. Each of the plurality of line transponders is configured to insert output on a respective one of a plurality of orthogonally parallel transmission paths.
摘要翻译：光线卡系统包括用于接收信息的一个或多个输入接口，包括多个线路转发器的线路接口，以及用于将所述一个或多个输入接口的输出复用到所述多个线路转发器上的多路复用器。一个或多个输入接口具有聚合信息速率RC。多个线路转发器具有小于或近似等于一个或多个客户端接口的聚合信息速率RC的聚合信息速率RL。每个线路转发器采用具有频谱效率的调制格式，其能够在每个链路至多一个光电再生点到达用于电子路由或切换的终点的传输。多个线路转发器中的每一个被配置为将输出插入到多个正交并行传输路径中的相应一个上。

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