公开(公告)号：US20130016980A1

公开(公告)日：2013-01-17

申请号：US13180340

申请日：2011-07-11

申请人： Pranay Koka ,  Michael O. McCracken ,  Herbert D. Schwetman, JR. ,  Xuezhe Zheng ,  Ashok V. Krishnamoorthy

发明人： Pranay Koka ,  Michael O. McCracken ,  Herbert D. Schwetman, JR. ,  Xuezhe Zheng ,  Ashok V. Krishnamoorthy

IPC分类号： H04B10/12 ,  H04B10/02

CPC分类号： H04B10/801 ,  H04J14/02 ,  H04J14/021 ,  H04J14/0212 ,  H04J14/0213 ,  H04J14/0273

摘要： In a multi-chip module (MCM), integrated circuits are coupled by optical waveguides. These integrated circuits receive optical signals from a set of tunable light sources. Moreover, a given integrated circuit includes: a transmitter that modulates at least one of the optical signals when transmitting information to at least another of the integrated circuits; and a receiver that receives at least one modulated optical signal having a given carrier wavelength associated with the given integrated circuit when receiving information from at least the other of the integrated circuits. Furthermore, control logic in the MCM provides a control signal to the set of tunable light sources to specify carrier wavelengths in the optical signals output by the set of tunable light sources, thereby defining routing of at least the one of the optical signals in the MCM during communication between at least a pair of the integrated circuits.

摘要翻译： 在多芯片模块（MCM）中，集成电路通过光波导耦合。 这些集成电路从一组可调光源接收光信号。 此外，给定的集成电路包括：发送器，当向至少另一个集成电路发送信息时，调制至少一个光信号; 以及接收器，当从至少另一个集成电路接收信息时，接收具有与给定集成电路相关联的给定载波波长的至少一个调制光信号。 此外，MCM中的控制逻辑向可调谐光源组提供控制信号，以指定由可调谐光源组输出的光信号中的载波波长，从而定义MCM中的至少一个光信号的路由 在至少一对集成电路之间的通信期间。

公开(公告)号：US20130016941A1

公开(公告)日：2013-01-17

申请号：US13180364

申请日：2011-07-11

申请人： Pranay Koka ,  Michael O. McCracken ,  Herbert D. Schwetman, JR. ,  Xuezhe Zheng ,  Ashok V. Krishnamoorthy

发明人： Pranay Koka ,  Michael O. McCracken ,  Herbert D. Schwetman, JR. ,  Xuezhe Zheng ,  Ashok V. Krishnamoorthy

IPC分类号： G02B6/12

CPC分类号： G02B6/43 ,  G02B6/4215 ,  G02B2006/12061

摘要： In a multi-chip module (MCM), integrated circuits are coupled by optical waveguides. These integrated circuits receive optical signals from a set of light sources which have fixed carrier wavelengths. Moreover, a given integrated circuit includes: a transmitter that modulates at least one of the optical signals when transmitting information to at least another of the integrated circuits; and a receiver that receives at least one modulated optical signal having one of the carrier wavelengths when receiving information from at least the other of the integrated circuits. Furthermore, the MCM includes tunable drop filters optically coupled to the optical waveguides and associated integrated circuits, wherein the tunable drop filters pass adjustable bands of wavelengths to receivers in the integrated circuits. Additionally, control logic in the MCM provides a control signal to the tunable drop filters to specify the adjustable bands of wavelengths.

摘要翻译： 在多芯片模块（MCM）中，集成电路通过光波导耦合。 这些集成电路从具有固定载波波长的一组光源接收光信号。 此外，给定的集成电路包括：发送器，当向至少另一个集成电路发送信息时，调制至少一个光信号; 以及接收器，当从至少另一个集成电路接收信息时，接收具有载波波长之一的至少一个调制光信号。 此外，MCM包括光耦合到光波导和相关联的集成电路的可调滴式滤波器，其中可调滴式滤波器将可调节的波段传送到集成电路中的接收器。 另外，MCM中的控制逻辑为可调降滤波器提供了一个控制信号，以指定波长的可调波段。

公开(公告)号：US20130016970A1

公开(公告)日：2013-01-17

申请号：US13180355

申请日：2011-07-11

申请人： Pranay Koka ,  Michael O. McCracken ,  Herbert D. Schwetman, JR. ,  Xuezhe Zheng ,  Ashok V. Krishnamoorthy

发明人： Pranay Koka ,  Michael O. McCracken ,  Herbert D. Schwetman, JR. ,  Xuezhe Zheng ,  Ashok V. Krishnamoorthy

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

CPC分类号： G02B6/4246 ,  H04J14/021 ,  H04J14/0213 ,  H04J14/0273 ,  H04Q11/0005 ,  H04Q2011/0009 ,  H04Q2011/0016 ,  H04Q2011/0052

摘要： In a multi-chip module (MCM), integrated circuits are coupled by optical waveguides. These integrated circuits receive optical signals from a set of light sources which have fixed carrier wavelengths. Moreover, a given integrated circuit includes: a transmitter that modulates at least one of the optical signals when transmitting information to at least another of the integrated circuits; and a receiver that receives at least one modulated optical signal having one of the carrier wavelengths when receiving information from at least the other of the integrated circuits. Furthermore, the MCM includes switchable drop filters optically coupled to the optical waveguides and associated integrated circuits, wherein the switchable drop filters pass adjustable bands of wavelengths to receivers in the integrated circuits. Additionally, control logic in the MCM provides a control signal to the switchable drop filters to specify the adjustable bands of wavelengths.

摘要翻译： 在多芯片模块（MCM）中，集成电路通过光波导耦合。 这些集成电路从具有固定载波波长的一组光源接收光信号。 此外，给定的集成电路包括：发送器，当向至少另一个集成电路发送信息时，调制至少一个光信号; 以及接收器，当从至少另一个集成电路接收信息时，接收具有载波波长之一的至少一个调制光信号。 此外，MCM包括光耦合到光波导和相关联的集成电路的可切换液滴滤光器，其中可切换液滴滤光片将可调节的波段传送到集成电路中的接收器。 此外，MCM中的控制逻辑为可切换的降滤波器提供控制信号，以指定波长的可调波段。

公开(公告)号：US08207752B2

公开(公告)日：2012-06-26

申请号：US12685159

申请日：2010-01-11

申请人： Kannan Raj ,  Xuezhe Zheng ,  Ashok V. Krishnamoorthy ,  Ronald Ho ,  Michael O. McCracken ,  David K. McElfresh ,  John E. Cunningham

发明人： Kannan Raj ,  Xuezhe Zheng ,  Ashok V. Krishnamoorthy ,  Ronald Ho ,  Michael O. McCracken ,  David K. McElfresh ,  John E. Cunningham

IPC分类号： H03K19/003

CPC分类号： H03K19/177

摘要： A multi-chip module (MCM) is described. This MCM includes multiple sites, where a given site in the multiple sites includes multiple chips with proximity connectors that communicate information through proximity communication within the MCM via multiple components associated with the given site. Note that the MCM includes global redundancy and local redundancy at the given site. In particular, the global redundancy involves providing one or more redundant sites in the multiple sites. Furthermore, the local redundancy involves providing one or more redundant chips in the multiple chips and one or more redundant components in the multiple components.

摘要翻译： 描述了多芯片模块（MCM）。 该MCM包括多个站点，其中多个站点中的给定站点包括具有邻近连接器的多个芯片，其通过与给定站点相关联的多个组件在MCM内通过邻近通信传递信息。 请注意，MCM包括给定站点的全局冗余和本地冗余。 特别地，全局冗余涉及在多个站点中提供一个或多个冗余站点。 此外，本地冗余包括在多个芯片中提供一个或多个冗余芯片以及在多个组件中提供一个或多个冗余组件。

公开(公告)号：US20110169522A1

公开(公告)日：2011-07-14

申请号：US12685159

申请日：2010-01-11

申请人： Kannan Raj ,  Xuezhe Zheng ,  Ashok V. Krishnamoorthy ,  Ronald Ho ,  Michael O. McCracken ,  David K. McElfresh ,  John E. Cunningham

发明人： Kannan Raj ,  Xuezhe Zheng ,  Ashok V. Krishnamoorthy ,  Ronald Ho ,  Michael O. McCracken ,  David K. McElfresh ,  John E. Cunningham

IPC分类号： H03K19/003

CPC分类号： H03K19/177

摘要： A multi-chip module (MCM) is described. This MCM includes multiple sites, where a given site in the multiple sites includes multiple chips with proximity connectors that communicate information through proximity communication within the MCM via multiple components associated with the given site. Note that the MCM includes global redundancy and local redundancy at the given site. In particular, the global redundancy involves providing one or more redundant sites in the multiple sites. Furthermore, the local redundancy involves providing one or more redundant chips in the multiple chips and one or more redundant components in the multiple components.

摘要翻译： 描述了多芯片模块（MCM）。 该MCM包括多个站点，其中多个站点中的给定站点包括具有邻近连接器的多个芯片，其通过与给定站点相关联的多个组件在MCM内通过邻近通信传递信息。 请注意，MCM包括给定站点的全局冗余和本地冗余。 特别地，全局冗余涉及在多个站点中提供一个或多个冗余站点。 此外，本地冗余包括在多个芯片中提供一个或多个冗余芯片以及在多个组件中提供一个或多个冗余组件。

公开(公告)号：US08280251B2

公开(公告)日：2012-10-02

申请号：US12426844

申请日：2009-04-20

申请人： Pranay Koka ,  Herbert Dewitt Schwetman, Jr. ,  Xuezhe Zheng

发明人： Pranay Koka ,  Herbert Dewitt Schwetman, Jr. ,  Xuezhe Zheng

IPC分类号： H04J14/00

CPC分类号： H04J14/0278 ,  H04J14/0267

摘要： A system for transmitting data, including: a transmitter node having a setup path packet and multiple data packets; a receiver node connected to the transmitter node by a first optical channel (OC); and a first intermediate node having a first forwarding module and connected to the transmitter node by a second OC and to the receiver node by a third OC, where the transmitter node transmits the setup path packet and a first subset of the multiple data packets to the first intermediate node using the second OC, where the first forwarding module relays, in response to receiving the setup packet, the first subset to the receiver node by switching the first subset from the second OC to the third OC, and where the receiver node receives a second subset of the multiple data packets from the transmitter node using the first OC.

摘要翻译： 一种用于发送数据的系统，包括：具有建立路径分组和多个数据分组的发射机节点; 通过第一光信道（OC）连接到发射机节点的接收机节点; 以及第一中间节点，其具有第一转发模块，并且由第二OC连接到所述发射机节点，并且由第三OC连接到所述接收机节点，其中所述发射机节点将所述建立路径分组和所述多个数据分组的第一子集发送到 使用第二OC的第一中间节点，其中响应于接收到建立分组，第一转发模块通过将第一子集从第二OC切换到第三OC，以及接收方节点接收的第一子集，将第一子集中继到接收方节点 来自使用第一OC的发射机节点的多个数据分组的第二子集。

公开(公告)号：US20110179208A1

公开(公告)日：2011-07-21

申请号：US12688749

申请日：2010-01-15

申请人： Pranay Koka ,  Michael Oliver McCracken ,  Herbert Dewitt Schwetman, JR. ,  Xuezhe Zheng ,  Ashok Krishnamoorthy

发明人： Pranay Koka ,  Michael Oliver McCracken ,  Herbert Dewitt Schwetman, JR. ,  Xuezhe Zheng ,  Ashok Krishnamoorthy

IPC分类号： G06F13/372

CPC分类号： H04J3/1682 ,  G06F15/17381 ,  H04J14/08

摘要： A method for arbitration including selecting, for an arbitration interval corresponding to a timeslot, a sending node from a plurality of sending nodes in an arbitration domain, where the plurality of sending nodes include a plurality of source counters; broadcasting, by the sending node and in response to selecting the sending node, a transmitter arbitration request for the timeslot during the arbitration interval; receiving, by the plurality of sending nodes, the transmitter arbitration request; incrementing the plurality of source counters in response to receiving the transmitter arbitration request; and sending, during the timeslot, a data item from the sending node to a receiving node via an optical data channel.

摘要翻译： 一种仲裁方法，包括从仲裁域中的多个发送节点中选择对应于时隙的仲裁间隔的发送节点，其中所述多个发送节点包括多个源计数器; 由发送节点广播并响应于选择发送节点在仲裁间隔期间对时隙的发射机仲裁请求; 由所述多个发送节点接收所述发射机仲裁请求; 响应于接收到发射机仲裁请求而递增所述多个源计数器; 以及在所述时隙期间经由光学数据信道从所述发送节点发送到接收节点的数据项。

公开(公告)号：US20100014852A1

公开(公告)日：2010-01-21

申请号：US12176293

申请日：2008-07-18

申请人： Brian W. O'Krafka ,  Pranay Koka ,  John E. Cunningham ,  Ashok Krishnamoorthy ,  Xuezhe Zheng

发明人： Brian W. O'Krafka ,  Pranay Koka ,  John E. Cunningham ,  Ashok Krishnamoorthy ,  Xuezhe Zheng

IPC分类号： H04J14/00

CPC分类号： H04L12/413 ,  H04Q11/0062 ,  H04Q2011/0064 ,  H04Q2011/009

摘要： A method of detecting transmission collisions in an optical data interconnect system including a transmitting node, a plurality of receiving nodes, and one or more remaining nodes connected through an optical data channel. The method includes initiating a data transmission of a data signal from the transmitting node over the optical data channel, transmitting a first collision detect signal from the transmitting node throughout a duration of the data transmission where the first collision detect signal is transmitted over an optical detection channel corresponding to the transmitting node, monitoring at the transmitting node of the optical data interconnect system for a predetermined period of time, where the optical data interconnect system further includes a plurality of optical collision detection channels corresponding to each of the plurality of receiving nodes and the one or more remaining nodes, and identifying a transmission collision when a second collision signal is received through one of the plurality of optical collision detection channels at the transmitting node during the predetermined period of time.

摘要翻译： 一种检测包括发送节点，多个接收节点以及通过光数据信道连接的一个或多个剩余节点的光数据互连系统中的传输冲突的方法。 该方法包括通过光数据信道发起来自发射节点的数据信号的数据传输，在数据传输的持续时间内，通过光学检测发送第一冲突检测信号，从发射节点发送第一冲突检测信号 信道，在光学数据互连系统的发送节点处监视预定时间段，其中光学数据互连系统还包括与多个接收节点中的每一个对应的多个光学冲突检测信道，以及 所述一个或多个剩余节点，并且在所述预定时间段期间通过所述发射节点的所述多个光学冲突检测信道之一接收到第二冲突信号时，识别传输冲突。

公开(公告)号：US20100014427A1

公开(公告)日：2010-01-21

申请号：US12176294

申请日：2008-07-18

申请人： Brian W. O'Krafka ,  Pranay Koka ,  John E. Cunningham ,  Ashok Krishnamoorthy ,  Xuezhe Zheng

发明人： Brian W. O'Krafka ,  Pranay Koka ,  John E. Cunningham ,  Ashok Krishnamoorthy ,  Xuezhe Zheng

IPC分类号： G01R31/08

CPC分类号： H04L12/413

摘要： A method of arbitrating data transmissions to prevent data collisions in an optical data interconnect system including a transmitting node, a plurality of receiving nodes, and one or more remaining nodes connected through an optical data channel. The method involves transmitting a transmission request signal from the transmitting node over an arbitration channel corresponding to the transmitting node, monitoring, at the transmitting node, a plurality of arbitration channels corresponding to each of the plurality of receiving nodes and the one or more remaining nodes at the transmitting node for a predetermined period of time, determining a start time for a data transmission from the transmitting node based on the monitored signals to prevent a data collision, and initiating a data transmission of a data signal from the transmitting node over the optical data channel at the determined start time.

摘要翻译： 一种仲裁数据传输的方法，以防止包括发送节点，多个接收节点以及通过光数据信道连接的一个或多个剩余节点的光数据互连系统中的数据冲突。 该方法涉及通过对应于发送节点的仲裁信道从发送节点发送发送请求信号，在发送节点处监视与多个接收节点中的每一个对应的多个仲裁信道，以及一个或多个剩余节点 在发送节点预定的时间段内，基于所监视的信号确定来自发送节点的数据传输的开始时间，以防止数据冲突，以及通过光学发送来自发送节点的数据信号的数据传输 数据通道在确定的开始时间。

公开(公告)号：US20110200332A1

公开(公告)日：2011-08-18

申请号：US12723591

申请日：2010-03-12

申请人： Michael Oliver McCracken ,  Pranay Koka ,  Herbert Dewitt Schwetman ,  Xuezhe Zheng ,  Ashok Krishnamoorthy

发明人： Michael Oliver McCracken ,  Pranay Koka ,  Herbert Dewitt Schwetman ,  Xuezhe Zheng ,  Ashok Krishnamoorthy

IPC分类号： H04J14/08

CPC分类号： H04Q11/0062 ,  H04Q11/0005 ,  H04Q2011/005 ,  H04Q2011/0058 ,  H04Q2011/0064

摘要： A system including first and second sending nodes, a horizontal optical data link (ODL) having optical signals propagating in opposite directions in first and second waveguide segments, a vertical ODL having optical signals propagating in the same direction throughout third and fourth waveguide segments, a first optical output switch operatively connecting the first sending node and the first waveguide segment and configured to switch first data item onto the first waveguide segment during a first timeslot, a second optical output switch operatively connecting the second sending node and the second waveguide segment and configured to switch second data item onto the second waveguide segment during a second timeslot, and an optical coupler pair operatively connecting the first and second waveguide segments to the third and fourth waveguide segments, respectively, and redirecting the first and the second data items from the horizontal to the vertical ODL.

摘要翻译： 一种包括第一和第二发送节点的系统，具有在第一和第二波导段中以相反方向传播的光信号的水平光数据链路（ODL），具有沿相同方向在第三和第四波导段传播的光信号的垂直ODL， 第一光输出开关，其可操作地连接第一发送节点和第一波导段，并且被配置为在第一时隙期间将第一数据项切换到第一波导段上;第二光输出开关，可操作地连接第二发送节点和第二波导段， 在第二时隙期间将第二数据项切换到第二波导段上，以及光耦合器对，将第一和第二波导段分别可操作地连接到第三和第四波导段，并将第一和第二数据项从水平方向重定向 到垂直ODL。