公开(公告)号：US20050095006A1

公开(公告)日：2005-05-05

申请号：US10699604

申请日：2003-10-31

申请人： Stephen Evangelides ,  Jay Morreale ,  Michael Neubelt ,  Mark Young ,  Jonathan Nagel

发明人： Stephen Evangelides ,  Jay Morreale ,  Michael Neubelt ,  Mark Young ,  Jonathan Nagel

IPC分类号： G02B20060101 ,  H04B10/00 ,  H04B10/08 ,  H04B10/14 ,  H04B10/17 ,  H04B10/18 ,  H04B13/02

CPC分类号： H04B10/2916 ,  H04B10/0795 ,  H04B10/25133 ,  H04B10/806

摘要： In accordance with the present invention, a land-based cable station is provided for an undersea optical transmission system. The cable station includes submarine line terminal equipment (SLTE) for processing terrestrial traffic received from an external source, power feed equipment for supplying electrical power to active undersea components of the transmission system, an element management system for configuring and obtaining status information from the transmission system, and a cable termination box in which an undersea cable terminates. The SLTE includes terrestrial optical transmission equipment receiving the terrestrial traffic and generating optical signals in response thereto. The SLTE also includes an interface device providing signal conditioning to the optical signals received from the terrestrial optical transmission equipment so that the optical signals are suitable for transmission through the undersea optical transmission system.

摘要翻译： 根据本发明，提供了一种用于海底光传输系统的陆基有线电视台。 有线站包括用于处理从外部源接收到的地面业务的海底线路终端设备（SLTE），用于向传输系统的主动海底部件供电的供电设备，用于从传输配置和获取状态信息的元件管理系统 系统和电缆终端盒，其中海底电缆终止。 SLTE包括接收地面业务并响应于此产生光信号的地面光传输设备。 SLTE还包括向从地面光传输设备接收的光信号提供信号调理的接口设备，使得光信号适合于通过海底光传输系统的传输。

公开(公告)号：US20050196175A1

公开(公告)日：2005-09-08

申请号：US10794178

申请日：2004-03-05

申请人： Stephen Evangelides ,  Jonathan Nagel

发明人： Stephen Evangelides ,  Jonathan Nagel

IPC分类号： H04B10/00

CPC分类号： H04B10/0771

摘要： A method and apparatus is provided for obtaining status information concerning an optical transmission path. The method begins by generating a cw probe signal having a frequency that is swept over a prescribed frequency range in a prescribed time period. The cw probe signal is transmitted over the optical path and a returned COTDR signal in which status information concerning the optical path is embodied is received over the optical path. A predetermined frequency is detected within the prescribed frequency range of the returned COTDR signal to obtain the status information.

摘要翻译： 提供了一种用于获得关于光传输路径的状态信息的方法和装置。 该方法通过在预定时间段内产生具有在规定频率范围内扫描的频率的cw探测信号开始。 cw探测信号通过光路传输，并且在光路上接收有关实现光路的状态信息的返回COTDR信号。 在返回的COTDR信号的规定频率范围内检测预定频率，以获得状态信息。

公开(公告)号：US20060159464A1

公开(公告)日：2006-07-20

申请号：US11031517

申请日：2005-01-07

申请人： William David Cornwell ,  Henry Edwards ,  Stephen Evangelides ,  Jonathan Nagel ,  Nigel Taylor ,  Glenn Ahern ,  Stephen Smith

发明人： William David Cornwell ,  Henry Edwards ,  Stephen Evangelides ,  Jonathan Nagel ,  Nigel Taylor ,  Glenn Ahern ,  Stephen Smith

IPC分类号： H04B10/00

CPC分类号： H04B10/071

摘要： A method and apparatus is provided for obtaining status information concerning an optical transmission path. The method begins by generating a COTDR probe signal having a prescribed wavelength and transmitting optical traffic signals and the COTDR probe signal over an optical transmission path having a length corresponding to those used in regional undersea market applications. The prescribed wavelength of the COTDR probe signal is separated from wavelengths at which the optical traffic signals are located by a distance at least equal to a predetermined guard band. A backscattered and/or reflected portion of the COTDR probe signal in which status information concerning the optical path is embodied is received over the optical path. The backscattered and/or reflected portion of the COTDR probe signal is detected to obtain the status information.

摘要翻译： 提供了一种用于获得关于光传输路径的状态信息的方法和装置。 该方法开始于产生具有规定波长的COTDR探测信号，并且通过具有对应于在区域海底市场应用中使用的长度的光学传输路径传输光学业务信号和COTDR探测信号。 将COTDR探测信号的指定波长与光通信信号所处的波长分开至少等于预定保护带的距离。 通过光路接收COTDR探测信号的后向散射和/或反射部分，其中涉及光路的状态信息被实现。 检测COTDR探测信号的反向散射和/或反射部分以获得状态信息。

公开(公告)号：US20050013610A1

公开(公告)日：2005-01-20

申请号：US10792268

申请日：2004-03-03

申请人： Stephen Evangelides ,  Jonathan Nagel ,  David Wilson

发明人： Stephen Evangelides ,  Jonathan Nagel ,  David Wilson

IPC分类号： H04B10/152 ,  H04B10/08

CPC分类号： H04B10/2569 ,  H04B10/6971

摘要： A method and apparatus is provided for monitoring optical signal quality between land-based terminal equipment and an undersea optical transmission path. The method begins by receiving an analog optical signal in which information is embodied in digital form from either of the terminal equipment or the undersea optical transmission path. The method continues by measuring a parameter such as the Q-factor, which reflects signal quality by analysis of the analog optical signal and not the information digitally embodied therein.

摘要翻译： 提供了一种用于监测陆基终端设备与海底光传输路径之间的光信号质量的方法和装置。 该方法从接收来自终端设备或海底光传输路径的数字形式的模拟光信号接收。 该方法通过测量诸如Q因子的参数来继续，Q因子通过分析模拟光信号反映信号质量，而不是其中数字化实现的信息。

公开(公告)号：US20050232634A1

公开(公告)日：2005-10-20

申请号：US11091740

申请日：2005-03-28

申请人： Stephen Evangelides ,  Michael Neubelt ,  Jay Morreale ,  Mark Young ,  Jonathan Nagel ,  David DiVincentis

发明人： Stephen Evangelides ,  Michael Neubelt ,  Jay Morreale ,  Mark Young ,  Jonathan Nagel ,  David DiVincentis

IPC分类号： H02G9/00 ,  H04B3/44 ,  H04B10/00 ,  H04B10/17

CPC分类号： H04B10/2972 ,  H02G9/00 ,  H04B3/44 ,  H04B10/808

摘要： An undersea WDM optical transmission system is provided. The system includes first and second land-based cable stations, at least one of the cable stations includes power feed equipment (PFE) supplying electrical power to the cable at a voltage of no more than about 6 kv or less. The PFE is located in at least one of the cable stations. The system also includes an undersea WDM optical transmission cable having a length corresponding to those required in the undersea regional market. The cable includes at least one optical fiber pair for supporting bidirectional communication between the first and second cable stations. At least one repeater is located along the optical transmission cable. The repeater includes at least two optical amplifiers each providing optical gain to one of the optical fibers in the optical fiber pairs. The optical gain is in a range from about 12 to 20 dB.

摘要翻译： 提供海底WDM光传输系统。 该系统包括第一和第二陆基有线电视站，至少一个电缆站包括供电设备（PFE），该电力供给设备以不大于约6kv或更低的电压向电缆供电。 PFE位于至少一个有线电视台。 该系统还包括具有对应于海底区域市场中所需的长度的海底WDM光传输电缆。 电缆包括至少一个用于支持第一和第二电缆站之间的双向通信的光纤对。 至少一个中继器沿着光传输电缆定位。 中继器包括至少两个光放大器，每个光放大器为光纤对中的一个光纤提供光增益。 光学增益在约12至20dB的范围内。

公开(公告)号：US20050196174A1

公开(公告)日：2005-09-08

申请号：US10794174

申请日：2004-03-05

申请人： Stephen Evangelides ,  Jonathan Nagel

发明人： Stephen Evangelides ,  Jonathan Nagel

IPC分类号： H04B10/00

CPC分类号： H04B10/0771

摘要： A method and apparatus is provided for obtaining status information from a given location along an optical transmission path. The method begins by generating a cw probe signal having a prescribed frequency that is swept over a prescribed frequency range. The cw probe signal is transmitted over the optical path and a returned COTDR signal in which status information concerning the optical path is embodied is received over the optical path. A receiving frequency within the prescribed frequency range of the returned COTDR signal is detected to obtain the status information. The detecting step includes the step of sweeping the receiving frequency at a rate equal to that of the prescribed frequency. A period associated with the receiving frequency is temporally offset from a period associated with the prescribed frequency.

摘要翻译： 提供了一种用于从沿着光传输路径的给定位置获得状态信息的方法和装置。 该方法通过产生具有在规定频率范围内扫过的规定频率的cw探测信号而开始。 cw探测信号通过光路传输，并且在光路上接收有关实现光路的状态信息的返回COTDR信号。 检测返回的COTDR信号的规定频率范围内的接收频率，得到状态信息。 检测步骤包括以等于规定频率的速率扫描接收频率的步骤。 与接收频率相关联的周期在时间上偏离与规定频率相关的周期。

公开(公告)号：US20050084207A1

公开(公告)日：2005-04-21

申请号：US10687544

申请日：2003-10-16

申请人： Jonathan Nagel ,  Nigel Taylor ,  Stephen Evangelides

发明人： Jonathan Nagel ,  Nigel Taylor ,  Stephen Evangelides

IPC分类号： B63G20060101 ,  G02B6/28 ,  G02B6/34 ,  H04J14/02

CPC分类号： H04J14/0201 ,  G02B6/29383 ,  H04B10/808 ,  H04J14/0206 ,  H04J14/0217

摘要： A branching unit is provided for interconnecting at least three undersea optical transmission cables. The branching unit includes first, second and third ports for receiving first, second and third undersea optical transmission cables, respectively. The first and second cables each include an electrical power conductor and a plurality of first optical fibers. The third cable is electrically unpowered and includes at least one drop optical fiber and at least one add optical fiber. An electrical power conductor segment is provided for electrically coupling the conductor in the first cable received in the first port to the conductor in the second cable received in the second port. A first optical fiber segment optically couples a first of the plurality of first optical fibers in one of the first or second cables to the drop optical fiber of the third cable. A second optical fiber segment optically couples a second of the plurality of first optical fibers in one of the first and second cables to the add optical fiber of the third cable. First and second optical amplifiers are located along the first and second optical fiber segments, respectively so that the first optical amplifier provides optical gain to traffic being dropped on the drop optical fiber of the third cable and the second optical amplifier provides optical gain to traffic being added on the add optical fiber of the third cable. At least one electrically conductive path is provided for supplying electrical energy from at least one of the electrical power conductors to each of the optical amplifiers.

公开(公告)号：US20060251423A1

公开(公告)日：2006-11-09

申请号：US11125298

申请日：2005-05-09

申请人： Stephen Evangelides ,  Jay Morreale ,  William Cornwell ,  Mark Young ,  Jonathan Nagel ,  David DeVincentis ,  Michael Neubelt

发明人： Stephen Evangelides ,  Jay Morreale ,  William Cornwell ,  Mark Young ,  Jonathan Nagel ,  David DeVincentis ,  Michael Neubelt

IPC分类号： H04B10/00

CPC分类号： H04B10/07955 ,  H04B10/2935

摘要： An optical interface device is provided for use in an undersea optical transmission system that includes an undersea optical transmission path, a plurality of optical repeaters located along the optical transmission path, and a selected one of any of a plurality of different vendor supplied optical transmission terminals each of which has a vendor-specific interface. The optical interface device includes a signal processing unit providing signal conditioning to optical signals received from the vendor-specific interface of the selected optical transmission terminal so that the optical signals are suitable for transmission through the undersea optical transmission path. A gain monitoring arrangement is also provided for determining a change in gain provided by any one of the optical repeaters. The optical interface device also includes a processor for identifying a particular pump source that has failed from among a plurality of pump sources used to supply pump energy to the repeater based on the change in gain determined by the gain monitoring arrangement.

摘要翻译： 提供了一种用于海底光传输系统的光接口装置，其包括海底光传输路径，沿着光传输路径定位的多个光中继器，以及多个不同供应商提供的光传输终端中的任何一个 每个都具有供应商特定的接口。 光接口装置包括信号处理单元，用于对从所选择的光传输终端的供应商专用接口接收的光信号提供信号调节，使得光信号适合于通过海底光传输路径的传输。 还提供增益监视装置，用于确定任何一个光中继器提供的增益变化。 光学接口装置还包括处理器，用于基于由增益监视装置确定的增益变化，识别用于向中继器提供泵浦能量的多个泵浦源中的故障的特定泵浦源。

公开(公告)号：US20060133808A1

公开(公告)日：2006-06-22

申请号：US11332983

申请日：2006-01-17

申请人： Stephen Evangelides ,  Jonathan Nagel ,  Mark Young

发明人： Stephen Evangelides ,  Jonathan Nagel ,  Mark Young

IPC分类号： H04B10/20

CPC分类号： H04B10/2935 ,  H04B10/2916

摘要： In an optical communication system that includes a transmitting terminal, a receiving terminal, and an optical transmission path optically coupling the transmitting and receiving terminals and having at least one rare-earth doped optical amplifier therein, a second optical amplifier is provided The second optical amplifier includes a first portion of the optical transmission path having a first end coupled to the transmitting terminal and a second end coupled to a first of the rare-earth doped optical amplifiers. In addition, the second optical amplifier includes a pump source providing pump energy to the first portion of the optical transmission path at one or more wavelengths that is less than a signal wavelength to provide Raman gain in the first portion at the signal wavelength.

摘要翻译： 在包括发射端子，接收端子和光传输路径的光通信系统中，光传输路径光耦合发射和接收终端并且在其中具有至少一个稀土掺杂光放大器，提供第二光放大器第二光放大器 包括光传输路径的第一部分，其具有耦合到发射端的第一端和耦合到第一稀土掺杂光放大器的第二端。 此外，第二光放大器包括泵浦源，其在一个或多个小于信号波长的波长处向光传输路径的第一部分提供泵浦能量，以在信号波长的第一部分中提供拉曼增益。

公开(公告)号：US20050137888A1

公开(公告)日：2005-06-23

申请号：US10739929

申请日：2003-12-18

申请人： Stephen Evangelides ,  Jay Morreale ,  Michael Neubelt ,  Mark Young ,  Jonathan Nagel ,  David DeVincentis

发明人： Stephen Evangelides ,  Jay Morreale ,  Michael Neubelt ,  Mark Young ,  Jonathan Nagel ,  David DeVincentis

IPC分类号： G06Q10/00 ,  G06Q30/00 ,  G06F17/60

CPC分类号： G06Q10/06 ,  G06Q30/02 ,  G06Q99/00

摘要： A method for entering a market with high barriers to entry and a plurality of proprietary business elements includes converting at least one of the business elements into a universal business element that can accept a wide variety of inputs from other business elements, while converting a remaining one of the plurality of business elements to commoditized business elements. For example, one exemplary embodiment of the present invention employs an optical repeater that can accept any existing submarine cable, in combination with an optical line interface terminal that can accept existing terrestrial terminal equipment. Regarding market division, this embodiment is specifically limited to spans of less than 5000 kilometers, and preferably between 350 and 4000 kilometers, thereby straddling both the long-haul and short-haul markets while providing highly desirable services and capability. By selecting this market segment, the embodiment achieves highly desirable economics without the usual concomitant high engineering costs.

摘要翻译： 进入具有高进入门槛的市场和多个专有业务元素的方法包括将至少一个业务元素转换成可以接受来自其他业务元素的各种投入的通用业务元素，同时将剩余的一个 的商业元素。 例如，本发明的一个示例性实施例采用可以接受任何现有的海底电缆的光中继器，其结合可接受现有地面终端设备的光线路接口终端。 关于市场划分，该实施例特别限于小于5000公里，优选350至4000公里的跨度，从而跨越长途和短途市场，同时提供非常理想的服务和能力。 通过选择这个市场部分，该实施例实现了非常理想的经济性，而没有通常伴随的高工程成本。