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1. 发明申请

WO2005037642A3 UNDERSEA BRANCHING UNIT FOR AN UNDERSEA OPTICAL TRANSMISSION SYSTEM 审中-公开
标题翻译：下属光学传输系统的分支机构
公开(公告)号：WO2005037642A3
公开(公告)日：2005-07-07
申请号：PCT/US2004034222
申请日：2004-10-15
申请人： RED SKY SYSTEMS INC , NAGEL JONATHAN A , TAYLOR NIGEL HUNT , EVANGELIDES STEPHEN G JR
发明人： NAGEL JONATHAN A , TAYLOR NIGEL HUNT , EVANGELIDES STEPHEN G JR
IPC分类号： B63G20060101 , G02B6/28 , G02B6/34 , H04J14/02
CPC分类号： H04J14/0201 , G02B6/29383 , 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 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.
摘要翻译：提供分支单元用于互连至少三个海底光传输电缆。分支单元包括用于分别接收第一，第二和第三海底光传输电缆的第一，第二和第三端口。第一和第二电缆各自包括电力导体和多个第一光纤。第三缆线是电无动力的并且包括至少一个分支光纤和至少一个添加光纤。电源导体段，用于将在第一端口中接收的第一电缆中的导体电耦合到在第二端口中接收的第二电缆中的导体。第一光纤段将第一或第二电缆之一中的多个第一光纤中的第一光纤光学耦合到第三缆线的分支光纤。第二光纤段将第一和第二电缆中的一个中的多个第一光纤中的第二光纤光耦合到第三电缆的添加光纤。第一和第二光放大器分别沿着第一和第二光纤段分别设置，使得第一光学放大器为在第三缆线的分支光纤上落下的业务提供光学增益，而第二光放大器为业务提供光增益添加在第三根电缆的添加光纤上。提供至少一个导电路径用于将电能从至少一个电力导体提供给每个光放大器。

2. 发明申请

WO2005086780A3 COTDR ARRANGEMENT WITH SWEPT FREQUENCY PULSE GENERATOR FOR AN OPTICAL TRANSMISSION SYSTEM 审中-公开
标题翻译：用于光传输系统的SWEPT频率脉冲发生器的COTDR布置
公开(公告)号：WO2005086780A3
公开(公告)日：2006-09-08
申请号：PCT/US2005007451
申请日：2005-03-04
申请人： RED SKY SYSTEMS INC , EVANGELIDES STEPHEN G JR , NAGEL JONATHAN A
发明人： EVANGELIDES STEPHEN G JR , NAGEL JONATHAN A
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 (306, 308). The method begin 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 (306, 308) and a returned COTDR signal in which status information concerning the optical path is embodied is received over the optical path.
摘要翻译：提供一种用于从光传输路径（306,308）获得来自给定位置的状态信息的方法和装置。该方法开始于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。通过光路（306,308）发送cw探测信号，并且通过光路接收返回的COTDR信号，其中关于光路的状态信息被实现。

3. 发明申请

WO2005084359A2 OPTICAL PERFORMANCE MONITORING BETWEEN TERMINAL EQUIPMENT AND AN OPTICAL INTERFACE TO AN OPTICAL SUBMARINE TRANSMISSION LINE 审中-公开
标题翻译：终端设备与光学接口之间的光学性能监测到光学传输线
公开(公告)号：WO2005084359A2
公开(公告)日：2005-09-15
申请号：PCT/US2005006905
申请日：2005-03-03
申请人： RED SKY SYSTEMS INC , EVANGELIDES STEPHEN G JR , NAGEL JONATHAN A , WILSON DAVID L
发明人： EVANGELIDES STEPHEN G JR , NAGEL JONATHAN A , WILSON DAVID L
IPC分类号： H04B10/152
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。

4. 发明申请

WO2005054908A3 UNDERSEA OPTICAL TRANSMISSION SYSTEM EMPLOYING RAMAN GAIN TO MITIGATE SHALLOW WATER REPAIR PENALTIES 审中-公开
标题翻译：利用雷曼光学传输系统减轻水灾维修罚款
公开(公告)号：WO2005054908A3
公开(公告)日：2005-08-18
申请号：PCT/US2004040101
申请日：2004-12-01
申请人： RED SKY SYSTEMS INC , EVANGELIDES STEPHEN G JR , NAGEL JONATHAN A
发明人： EVANGELIDES STEPHEN G JR , NAGEL JONATHAN A
IPC分类号： G02B20060101 , H01S3/00 , H04B10/17
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. After an increase in optical loss in the first portion of the optical transmission path arising from performance of a cable repair thereto, the Raman gain supplied to the optical signal is increased to overcome at least a portion of the increase in optical loss.
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的光放大器，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。在由于电缆修复的性能引起的光传输路径的第一部分中的光损耗增加之后，增加提供给光信号的拉曼增益以克服光损耗的增加的至少一部分。

5. 发明申请

WO2005086779A3 METHOD AND APPARATUS FOR OBTAINING STATUS INFORMATION CONCERNING AN IN-SERVICE OPTICAL TRANSMISSION LINE 审中-公开
标题翻译：获取关于使用光线传输线的状态信息的方法和装置
公开(公告)号：WO2005086779A3
公开(公告)日：2006-09-21
申请号：PCT/US2005007450
申请日：2005-03-04
申请人： RED SKY SYSTEMS INC , EVANGELIDES STEPHEN G JR , NAGEL JONATHAN A
发明人： EVANGELIDES STEPHEN G JR , NAGEL JONATHAN A
IPC分类号： H04B10/00 , G01B9/02 , H01J5/16
CPC分类号： H04B10/0771
摘要： A method and apparatus is provided for obtaining status information concerning an optical transmission path (306, 308). 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 (306, 308) 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（306,308）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。通过光路（306,308）发送cw探测信号，并且通过光路接收返回的COTDR信号，其中涉及光路的状态信息被实现。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。

6. 发明申请

WO2005043199A3 CABLE STATION FOR AN UNDERSEA OPTICAL TRANSMISSION SYSTEM 审中-公开
标题翻译：用于下一代光电传输系统的电缆站
公开(公告)号：WO2005043199A3
公开(公告)日：2005-10-20
申请号：PCT/US2004036316
申请日：2004-10-29
申请人： RED SKY SYSTEMS INC , EVANGELIDES STEPHEN G JR , MORREALE JAY P , NEUBELT MICHAEL J , YOUNG MARK K , NAGEL JONATHAN A
发明人： EVANGELIDES STEPHEN G JR , MORREALE JAY P , NEUBELT MICHAEL J , YOUNG MARK K , NAGEL JONATHAN A
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 (100) is provided for an undersea optical transmission system. The cable station (100) includes submarine line terminal equipment (SL TE) for processing terrestrial traffic received from an external source, power feed equipment (106) for supplying electrical power to active undersea components of the transmission system, an element management system (108) for configuring and obtaining status information from the transmission system, and a cable termination box (110) in which an undersea cable terminates. The SLTE includes terrestrial optical transmission equipment (102) receiving the terrestrial traffic and generating optical signals in response thereto. The SLTE also includes an interface device (104) 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，为海底光传输系统提供陆基有线电视台（100）。有线站（100）包括用于处理从外部源接收到的陆地业务的海底线路终端设备（SL TE），用于向传输系统的主动海底部件提供电力的馈电设备（106），元件管理系统），用于从所述传输系统配置和获取状态信息;以及电缆终端盒（110），其中海底电缆终止。 SLTE包括接收地面业务的地面光传输设备（102）并响应于此产生光信号。 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（104），使得光信号适合于通过海底光传输系统的传输。

7. 发明申请

WO2005074660A2 METHOD AND APPARATUS FOR IN-SERVICE MONITORING OF A REGIONAL UNDERSEA OPTICAL TRANSMISSION SYSTEM USING COTDR 审中-公开
标题翻译：使用COTDR进行区域性下层光传输系统的在线监测的方法和装置
公开(公告)号：WO2005074660A2
公开(公告)日：2005-08-18
申请号：PCT/US2005000448
申请日：2005-01-07
申请人： RED SKY SYSTEMS INC , CORNWELL WILLIAM DAVID , EDWARDS HENRY OWEN , EVANGELIDES JR STEPHEN G , NAGEL JONATHAN A , TAYLOR NIGEL HUNT , AHERN GLENN JOHN , SMITH STEPHEN ARTHUR HUGHES
发明人： CORNWELL WILLIAM DAVID , EVANGELIDES JR STEPHEN G , NAGEL JONATHAN A , TAYLOR NIGEL HUNT , SMITH STEPHEN ARTHUR HUGHES
IPC分类号： H04B17/40
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指定波长的COTDR探测信号，并且通过光学传输路径传输光学业务信号和COTDR探测信号，其长度对应于在区域海底市场应用中使用的长度。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。

8. 发明申请

WO2005094321A3 UNDERSEA OPTICAL TRANSMISSION SYSTEM EMPLOYING LOW POWER CONSUMPTION OPTICAL AMPLIFIERS 审中-公开
标题翻译：使用低功耗光学放大器的下级光传输系统
公开(公告)号：WO2005094321A3
公开(公告)日：2007-01-18
申请号：PCT/US2005010419
申请日：2005-03-29
申请人： RED SKY SYSTEMS INC , EVANGELIDES JR STEPHEN G , NEUBELT MICHAEL J , MORREALE JAY P , YOUNG MARK K , NAGEL JONATHAN A , DEVINCENTIS DAVID S
发明人： EVANGELIDES JR STEPHEN G , NEUBELT MICHAEL J , MORREALE JAY P , YOUNG MARK K , NAGEL JONATHAN A , DEVINCENTIS DAVID S
IPC分类号： H04B10/00 , H02G9/00 , H04B3/44 , 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），该电力供应设备以不大于约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。

9. 发明申请

WO2005067642A2 METHOD AND APPARATUS FOR OBTAINING STATUS INFORMATION CONCERNING OPTICAL AMPLIFIERS LOCATED ALONG AN UNDERSEA OPTICAL TRANSMISSION LINE USING COTDR 审中-公开
标题翻译：用于获取关于使用COTDR的下面的光学传输线定位的光学放大器的状态信息的方法和装置
公开(公告)号：WO2005067642A2
公开(公告)日：2005-07-28
申请号：PCT/US2005000450
申请日：2005-01-07
申请人： RED SKY SYSTEMS INC , NAGEL JONATHAN A
发明人： NAGEL JONATHAN A
IPC分类号： H04B10/08 , H04J14/00
CPC分类号： H04B10/071
摘要： A method is provided for locating a fault arising in one or more optical amplifiers from among a plurality of optical amplifiers operating in saturation and located along an optical transmission path. The method begins by generating a COTDR trace representing a backscattered and/or reflected optical power level along the transmission path and comparing the COTDR trace to a previously obtained reference COTDR trace to generate a difference trace that represents a change in gain. The change in gain is assigned to at least one of the plurality of optical amplifiers based on the difference trace.
摘要翻译：提供了一种方法，用于定位在饱和度中沿着光传输路径定位的多个光放大器中的一个或多个光放大器中产生的故障。该方法开始于沿着传输路径产生表示反向散射和/或反射光功率级的COTDR迹线，并将COTDR迹线与先前获得的参考COTDR迹线进行比较，以产生表示增益变化的差异迹线。基于差分迹线将增益的变化分配给多个光放大器中的至少一个。

10. 发明申请

WO2006122112A3 METHOD AND APPARATUS FOR IDENTIFYING PUMP FAILURES USING AN OPTICAL LINE INTERFACE 审中-公开
标题翻译：使用光线接口识别泵故障的方法和装置
公开(公告)号：WO2006122112A3
公开(公告)日：2007-04-26
申请号：PCT/US2006017903
申请日：2006-05-09
申请人： RED SKY SYSTEMS INC , EVAGELIDES STEPHEN G JR , MORREALE JAY P , CORNWELL WILLIAM DAVID , YOUNG MARK K , NAGEL JONATHAN A , DEVINCENTIS DAVID S , NEUBELT MICHAEL J
发明人： EVAGELIDES STEPHEN G JR , MORREALE JAY P , CORNWELL WILLIAM DAVID , YOUNG MARK K , NAGEL JONATHAN A , DEVINCENTIS DAVID S , NEUBELT MICHAEL J
IPC分类号： H04B10/00 , H04B10/08 , H04B13/02 , H04B17/00
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。

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