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1. 发明申请

US20080050121A1 Submarine optical transmission systems having optical amplifiers of unitary design 审中-公开
标题翻译：具有单一设计光放大器的海底光传输系统
公开(公告)号：US20080050121A1
公开(公告)日：2008-02-28
申请号：US10870327
申请日：2004-06-17
申请人： Stephen G. Evangelides , Jay P. Morreale , Michael J. Neubelt , Mark K. Young , Jonathan A. Nagel , David S. DeVincentis
发明人： Stephen G. Evangelides , Jay P. Morreale , Michael J. Neubelt , Mark K. Young , Jonathan A. Nagel , David S. DeVincentis
IPC分类号： H04B10/00
CPC分类号： H04B10/2935
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. In addition, a market of a resulting business is limited so that the resulting business straddles a gap between two subdivisions of the market. Thus, a combination of technology and market division enables conversion of otherwise proprietary system to commodity equipment that can work with a wide variety of existing vendor equipment while competing technologically with highly engineered solutions. For example as applied to the undersea telecommunications market, 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。此外，由此产生的业务的市场有限，因此产生的业务跨越了市场的两个细分市场之间的差距。因此，技术和市场部门的结合使得可以将其他专有系统转换为可与各种现有供应商设备配合使用的商品设备，同时通过高度设计的解决方案在技术上竞争。例如，如应用于海底电信市场，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。

2. 发明授权

US06567577B2 Method and apparatus for providing chromatic dispersion compensation in a wavelength division multiplexed optical transmission system 失效
标题翻译：在波分复用光传输系统中提供色散补偿的方法和装置
公开(公告)号：US06567577B2
公开(公告)日：2003-05-20
申请号：US09113923
申请日：1998-07-14
申请人： Stuart M. Abbott , Neal Bergano , Stephen G. Evangelides , Ekaterina Golovchenko , George Harvey , Franklin W. Kerfoot, III , Chinlon Lin , Bo Pedersen
发明人： Stuart M. Abbott , Neal Bergano , Stephen G. Evangelides , Ekaterina Golovchenko , George Harvey , Franklin W. Kerfoot, III , Chinlon Lin , Bo Pedersen
IPC分类号： G02B628
CPC分类号： G02B6/29376 , H04B10/25253 , H04B2210/258
摘要： A WDM optical communication system is provided that includes a transmitter and a receiver. An optical fiber transmission path couples the transmitter to the receiver. The transmission path includes at least one repeater having an optical amplifier located therein. A dispersion compensator is disposed at an intermediate point along the transmission path. The intermediate point is located outside of the repeater. The compensator includes a wavelength routing device for dividing a signal having a prescribed bandwidth into a plurality of distinct sub-bands. A plurality of output paths is provided for respectively receiving the plurality of distinct sub-bands. The dispersion compensator also includes a dispersion compensating optical element coupled to each of the output paths. Each dispersion compensating optical element substantially compensates for dispersion at a prescribed wavelength within the bandpass of its respective sub-band. A coupler recombining the distinct sub-bands and couples them back onto the optical fiber transmission path.
摘要翻译：提供了一种包括发射机和接收机的WDM光通信系统。光纤传输路径将发射机耦合到接收机。传输路径包括至少一个具有位于其中的光放大器的中继器。色散补偿器设置在沿着传输路径的中间点处。中间点位于中继器外部。补偿器包括用于将具有规定带宽的信号划分成多个不同子带的波长路由设备。提供多个输出路径用于分别接收多个不同的子带。色散补偿器还包括耦合到每个输出路径的色散补偿光学元件。每个色散补偿光学元件基本上补偿在其相应子带的带通内的规定波长的色散。耦合器将不同的子带重新组合并将它们耦合回到光纤传输路径上。

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