公开(公告)号：US5500916A

公开(公告)日：1996-03-19

申请号：US303913

申请日：1994-09-09

申请人： Raymond A. Cirelli ,  Charles H. Henry ,  Edward J. Laskowski ,  Michele A. Milbrodt ,  Henry H. Yaffe

发明人： Raymond A. Cirelli ,  Charles H. Henry ,  Edward J. Laskowski ,  Michele A. Milbrodt ,  Henry H. Yaffe

IPC分类号： G02B6/124 ,  G02B6/13 ,  G02B6/34 ,  H01L21/70

CPC分类号： G02B6/13 ,  G02B6/124

摘要： A waveguide Bragg reflector is made by forming periodic grooves in either the undercladding or the core, applying a high index coating on the grooved surface and selectively removing the coating from the horizontal surfaces while leaving the coating on the vertical surfaces. The waveguide is then completed.

摘要翻译： 波导布拉格反射器通过在下包层或芯中形成周期性凹槽来制造，在开槽表面上施加高折射率涂层并且在将涂层留在垂直表面上时选择性地从水平表面移除涂层。 然后完成波导。

公开(公告)号：US5341444A

公开(公告)日：1994-08-23

申请号：US35143

申请日：1993-03-19

申请人： Charles H. Henry ,  Michele A. Milbrodt ,  Henry H. Yaffe

发明人： Charles H. Henry ,  Michele A. Milbrodt ,  Henry H. Yaffe

IPC分类号： G02B6/122 ,  G02B6/12 ,  G02B6/124 ,  G02B6/126 ,  G02B6/132 ,  G02B6/34 ,  H01L27/15 ,  G02B6/10 ,  H04J14/00

CPC分类号： G02B6/12011 ,  G02B6/12004 ,  G02B6/12023 ,  G02B6/124 ,  G02B6/126 ,  G02B6/132 ,  G02B2006/12176

摘要： In accordance with the invention the birefringence induced by compressive strain in silica waveguides on silicon substrates is compensated with a high index patch--such as silicon nitride--placed adjacent the core. The patch is disposed sufficiently close to the core to optically couple with the transmitted optical mode. The patch is preferably wider than the core to intersect the exponential tail of the transmitted optical mode. Such a high index patch preferentially couples TE polarization modes. By choosing an appropriate length for the patch, both strain and bend birefringence can be compensated.

摘要翻译： 根据本发明，由硅衬底上的石英波导中的压缩应变引起的双折射由与芯相邻的高折射率贴片（例如氮化硅）补偿。 贴片被布置成足够靠近芯部以与传输的光学模式进行光学耦合。 贴片优选地比核心更宽以与透射光学模式的指数尾部相交。 这种高折射率贴片优先耦合TE偏振模式。 通过为贴片选择适当的长度，可以补偿应变和弯曲双折射。

公开(公告)号：US5596661A

公开(公告)日：1997-01-21

申请号：US365618

申请日：1994-12-28

申请人： Charles H. Henry ,  Edward J. Laskowski ,  Yuan P. Li ,  Cecilia Y. Mak ,  Henry H. Yaffe

发明人： Charles H. Henry ,  Edward J. Laskowski ,  Yuan P. Li ,  Cecilia Y. Mak ,  Henry H. Yaffe

IPC分类号： G02B6/12 ,  G02B6/28 ,  G02B6/34 ,  H01S3/10 ,  H04J14/02 ,  C02B6/28

CPC分类号： G02B6/2938 ,  G02B6/12007 ,  G02B6/29355 ,  H01S3/10023 ,  H04J14/0201 ,  G02B6/2861 ,  H01S2301/04 ,  H04J14/02 ,  H04J14/0208 ,  H04J14/0209

摘要： In accordance with the invention, a new type of monolithic optical waveguide filter comprises a chain of optical couplers of different effective lengths linked by differential delays of different lengths. The transfer of the chain of couplers and delays is the sum of contributions from all possible optical paths, each contribution forming a term in a Fourier series whose sum forms the optical output. A desired frequency response is obtained by optimizing the lengths of the couplers and the delay paths so that the Fourier series best approximates the desired response. The filter is advantageously optimized so that it is insensitive to uncontrolled fabrication errors and is short in length. The wavelength dependence of practical waveguide properties is advantageously incorporated in the optimization. Consequently, the filter is highly manufacturable by mass production. Such filters have been shown to meet the requirements for separating the 1.3 and 1.551 .mu.m telecommunications channels and for flattening the gain of Er amplifiers.

摘要翻译： 根据本发明，新型单片光波导滤波器包括通过不同长度的差分延迟链接的不同有效长度的光耦合器链。 耦合器链和延迟的传输是来自所有可能的光路的贡献的总和，每个贡献形成傅立叶级数中的项，其和形成光输出。 通过优化耦合器的长度和延迟路径来获得期望的频率响应，使得傅立叶级数最佳地近似于期望的响应。 滤波器有利地被优化，使得其对不受控制的制造误差不敏感并且长度短。 实际波导特性的波长依赖性有利地结合在优化中。 因此，过滤器通过批量生产高度可制造。 已经显示出这种滤波器符合分离1.3和1.551 m通信信道的要求，并使Er放大器的增益变扁平。

公开(公告)号：US5440416A

公开(公告)日：1995-08-08

申请号：US21698

申请日：1993-02-24

申请人： Leonard G. Cohen ,  Charles H. Henry ,  Rudolf F. Kazarinov ,  Henry H. Yaffe

发明人： Leonard G. Cohen ,  Charles H. Henry ,  Rudolf F. Kazarinov ,  Henry H. Yaffe

IPC分类号： H04J14/00 ,  G02B6/12 ,  G02B6/28 ,  G02B6/34 ,  H04B10/02 ,  H04B10/20 ,  H04B10/207 ,  H04B10/213 ,  H04B10/24 ,  H04J14/02

CPC分类号： H04B10/272 ,  G02B6/12011 ,  H04B10/2504 ,  G02B6/12007

摘要： An optical communication network includes a novel, passive optical component. This component combines the function of a splitter with the function of a wavelength-division multiplexer. These functions are performed in distinct wavelength bands. In one embodiment, the inventive component is made using silicon optical bench technology.

摘要翻译： 光通信网络包括新颖的无源光学部件。 该组件将分路器的功能与波分复用器的功能相结合。 这些功能在不同的波段进行。 在一个实施例中，使用硅光学平台技术制造本发明的部件。

公开(公告)号：US06281997B1

公开(公告)日：2001-08-28

申请号：US08927781

申请日：1997-09-11

申请人： Stephen B. Alexander ,  Jean-Luc Archambault ,  Victor Mizrahi ,  Henry H. Yaffe

发明人： Stephen B. Alexander ,  Jean-Luc Archambault ,  Victor Mizrahi ,  Henry H. Yaffe

IPC分类号： H04J1402

CPC分类号： G02B6/12019 ,  G02B6/29317 ,  G02B6/29355 ,  G02B6/29361 ,  G02B6/2938 ,  H04J14/02 ,  H04J14/0204 ,  H04J14/0209 ,  H04J14/0213

摘要： In accordance with the present invention, optical channels to be demultiplexed are supplied to first and second fibers via an optical splitter. Low loss interference filters, for example, coupled to the first and second optical fibers, select respective groups of channels. Each group of channels is next demultiplexed with sub-demultiplexers into individual channels, each of which is then sensed with a corresponding photodetector. Although the optical splitter introduces an optical power loss at the input to the demutiplexer, the interference filters and sub-demultiplexer create little additional loss. As a result, the total power loss associated with the present invention is significantly less than that obtained with a conventional n channel demultiplexer based on a 1×n splitter. Accordingly, large numbers of channels, e. g., in excess of forty can be readily demultiplexed and detected.

摘要翻译： 根据本发明，要解复用的光信道经由分光器提供给第一和第二光纤。 耦合到第一和第二光纤的低损耗干扰滤波器选择相应的信道组。 接下来，将各组信道用子解复用器分离成单个信道，然后用相应的光电检测器检测每个信道。 尽管光分路器在复用器的输入端引入光功率损耗，但是干扰滤波器和子解复用器几乎不产生额外的损耗。 结果，与本发明相关联的总功率损耗明显小于基于1xn分路器的常规n信道解复用器获得的总功率损耗。 因此，大量渠道， 例如，超过40个可以容易地解复用和检测。

公开(公告)号：US5631989A

公开(公告)日：1997-05-20

申请号：US561676

申请日：1995-11-22

申请人： Uziel Koren ,  Henry H. Yaffe ,  Norman R. Lampert

发明人： Uziel Koren ,  Henry H. Yaffe ,  Norman R. Lampert

IPC分类号： G02B6/36 ,  G02B6/42

CPC分类号： G02B6/423 ,  G02B6/3636 ,  G02B6/4233 ,  G02B6/4292

摘要： A connector assembly for coupling an optical fiber to an active optical device has a metal sleeve and an L-shaped alignment block having perpendicularly disposed reference surfaces. A resilient member on the sleeve biases an optical fiber terminating plug against the reference surfaces. The active optical device is attached to a ceramic sub-mount and the sub-mount is placed on one of the reference surfaces. The sub-mount is sized so that an optical port for the active optical device will become aligned with the central axis of the plug. To couple the optical fiber with the active optical device, the plug is slid into contact with the active optical device and is rotated until the fiber is substantially registered with the optical port. The sleeve may have a second resilient member for receiving another plug from the opposite end of the sleeve with a fiber in the other plug being coupled to a second optical port. The active optical device can comprise a variety of devices, such as a laser or an optical modulator with mode field beam expanders.

摘要翻译： 用于将光纤耦合到有源光学装置的连接器组件具有金属套筒和具有垂直设置的参考表面的L形对准块。 套筒上的弹性构件将光纤终端塞偏压到参考表面。 有源光学器件被附接到陶瓷子安装座，并且子安装件被放置在一个参考表面上。 子安装座的尺寸使得用于有源光学装置的光学端口将与插头的中心轴线对准。 为了将光纤与有源光学装置耦合，插头滑动成与有源光学装置接触，并且旋转直到光纤基本上与光学端口对准。 套筒可以具有第二弹性构件，用于从套筒的相对端接收另一个塞子，另一个塞子中的纤维联接到第二光学端口。 有源光学器件可以包括各种器件，例如具有模场光束扩展器的激光器或光学调制器。

公开(公告)号：US5604828A

公开(公告)日：1997-02-18

申请号：US560754

申请日：1995-11-21

申请人： Henry H. Yaffe

发明人： Henry H. Yaffe

IPC分类号： G02B6/125 ,  G02B6/28 ,  G02B6/12

CPC分类号： G02B6/125 ,  G02B6/2804

摘要： An optical integrated circuit provides multiple power splitting functions and comprises a plurality of optical power splitters networked together. In one embodiment, the optical integrated circuit has two 2.times.2 optical power splitters ganged together such that the circuit simultaneously provides two different 1.times.2 power splitting functions and four different 1.times.3 power splitting functions. In another embodiment, the optical integrated circuit has three 2.times.2 optical power splitters ganged together such that the circuit simultaneously provides two 1.times.2 power splitting functions, four 1.times.3 power splitting functions, and two 1.times.4 power splitting functions. Since each integrated circuit provides more than one power splitting function, the integrated circuit is more versatile than a single power splitter. The integrated circuit may also present a lower cost in comparison to a circuit formed with discrete elements since additional power splitters can be placed on a single substrate for only a nominal increase in cost. The integrated circuit further reduces the time needed to couple fibers to their respective power splitters since multiple fibers in a fiber ribbon array can be simultaneously coupled to the ports of the optical integrated circuit.

摘要翻译： 光学集成电路提供多个功率分离功能，并且包括多个联网的光功率分配器。 在一个实施例中，光学集成电路具有组合在一起的两个2x2光功率分配器，使得电路同时提供两个不同的1x2功率分配功能和四个不同的1x3功率分离功能。 在另一个实施例中，光学集成电路具有三个共同组合的2×2光功率分离器，使得该电路同时提供两个1x2功率分配功能，四个1x3功率分配功能和两个1x4功率分离功能。 由于每个集成电路提供多个功率分配功能，所以集成电路比单个功率分配器更通用。 与由分立元件形成的电路相比，集成电路也可以具有较低的成本，因为只需额外增加成本即可将额外的功率分配器放置在单个基板上。 集成电路进一步减少将光纤耦合到它们各自的功率分配器所需的时间，因为光纤带阵列中的多个光纤可以同时耦合到光学集成电路的端口。

公开(公告)号：US06404948B2

公开(公告)日：2002-06-11

申请号：US09770367

申请日：2001-01-26

申请人： Stephen B. Alexander ,  Jean-Luc Archambault ,  Victor Mizrahi ,  Henry H. Yaffe

发明人： Stephen B. Alexander ,  Jean-Luc Archambault ,  Victor Mizrahi ,  Henry H. Yaffe

IPC分类号： G02B628

CPC分类号： G02B6/12019 ,  G02B6/29317 ,  G02B6/29355 ,  G02B6/29361 ,  G02B6/2938 ,  H04J14/02 ,  H04J14/0204 ,  H04J14/0209 ,  H04J14/0213

摘要： In accordance with the present invention, optical channels to be demultiplexed are supplied to first and second optical fibers via an optical splitter. Low loss interference filters, for example, coupled to the first and second optical fibers, select respective groups of channels. Each group of channels is next demultiplexed with sub-demultiplexers into individual channels, each of which is then sensed with a corresponding photodetector. Although the optical splitter introduces an optical power loss at the input to the demultiplexer, the interference filters and sub-demultiplexers create little additional loss. As a result, the total power loss associated with the present invention is significantly less than that obtained with a conventional n channel demultiplexer based on a 1×n splitter. Accordingly, large numbers of channels, e.g., in excess of forty can be readily demultiplexed and detected.

摘要翻译： 根据本发明，要解复用的光信道经由光分路器被提供给第一和第二光纤。 耦合到第一和第二光纤的低损耗干扰滤波器选择相应的信道组。 接下来，将各组信道用子解复用器分离成单个信道，然后用相应的光电检测器检测每个信道。 虽然光分路器在多路分解器的输入端引入光功率损耗，但是干扰滤波器和子解复用器几乎不产生额外的损耗。 结果，与本发明相关联的总功率损耗明显小于基于1xn分路器的常规n信道解复用器获得的总功率损耗。 因此，可以容易地解复用和检测大量的信道，例如超过40个信道。

公开(公告)号：US6101423A

公开(公告)日：2000-08-08

申请号：US8070

申请日：1998-01-16

申请人： Andrei Csipkes ,  Henry H. Yaffe ,  Steve B. Alexander ,  Balakrishnan Sridhar ,  Dave A. Schwarten ,  Yves Pradieu

发明人： Andrei Csipkes ,  Henry H. Yaffe ,  Steve B. Alexander ,  Balakrishnan Sridhar ,  Dave A. Schwarten ,  Yves Pradieu

IPC分类号： G06F17/30 ,  G06F15/40

CPC分类号： G06F17/3053 ,  G06F17/30988

摘要： The component parts for assembly of a device, such as the passive optical components of an optical amplifier, are automatically selected from among a supply of available component parts. Each component part has a performance parameter such as insertion loss associated therewith. Stored in a database memory are component part data for each component part of the supply of available component parts. The component part data are in a computer readable format and indicative of a type of each part and the performance parameter of each part. To obtain the selection of parts of the device for assembly, the component part data for a plurality of the available component parts is retrieved from the database, and the thus retrieved plurality of component part data are sorted according to at least the performance parameter of each retrieved component part data. At least one component part among the sorted component part data is selected based on a preset parameter. Then, at least one remaining component part among the sorted component part data is identified based at least on the performance parameter of the at least one component part and the performance parameter of the at least one remaining component part.

摘要翻译： 用于组装装置的部件，例如光放大器的无源光学部件，可从可用部件的供应中自动选择。 每个组件部分具有诸如与其相关联的插入损耗的性能参数。 存储在数据库存储器中的是可用组件部件供应的每个组件部分的组件部件数据。 组件部件数据是计算机可读格式，并指示每个部件的类型和每个部件的性能参数。 为了获得用于组装的设备的部件的选择，从数据库中检索多个可用组件部件的组件部件数据，并且根据至少每个部件的性能参数对如此检索的多个组件部件数据进行排序 检索组件零件数据。 基于预设参数选择排序分量部件数据中的至少一个部件。 然后，至少基于至少一个部件的性能参数和至少一个剩余部件的性能参数来识别排序的部件部件数据中的至少一个剩余部件。

公开(公告)号：US5986782A

公开(公告)日：1999-11-16

申请号：US865654

申请日：1997-05-29

申请人： Stephen B. Alexander ,  Henry H. Yaffe

发明人： Stephen B. Alexander ,  Henry H. Yaffe

IPC分类号： H04B10/08 ,  H04J14/02

CPC分类号： H04J14/0221 ,  H04B10/077 ,  H04B10/07955

摘要： The present invention provides an optical monitoring system for a WDM optical communication system. In an exemplary embodiment, the monitoring system includes a wavelength selecting device which receives a WDM optical communication signal comprising plural optical channels and optical noise (e.g., ASE). The wavelength selecting device separately outputs optical signals corresponding to each of the optical channels and at least one optical noise sample taken at a wavelength which is not occupied by one of the optical channels. At least one optical power meter optically communicates with the wavelength selecting device for measuring the optical power of each of the optical channels and the optical noise sample. The optical power meter outputs an electrical signal indicating the strength of a measured optical channel or of the optical noise sample. A data analyzer, such as a microprocessor, receives the electrical signals output by the power meter and calculates the optical noise at the wavelengths of each of the N optical channels based upon the measured noise sample. Using the calculated optical noise values, the data analyzer determines the signal to noise ratio of each optical channel. Advantageously, the technique of the present invention uses a minimum of power measurements to accurately determine the signal-to-noise ratios of the optical channels.

摘要翻译： 本发明提供一种用于WDM光通信系统的光监控系统。 在示例性实施例中，监视系统包括波长选择装置，其接收包括多个光信道和光噪声（例如，ASE）的WDM光通信信号。 波长选择装置分别输出对应于每个光通道的光信号和在未被一个光通道占用的波长处拍摄的至少一个光噪声样本。 至少一个光功率计与波长选择装置光学通信，用于测量每个光通道和光噪声样本的光功率。 光功率计输出指示测量光信道或光噪声样本的强度的电信号。 诸如微处理器的数据分析器接收由功率计输出的电信号，并且基于测量的噪声样本计算N个光通道中的每一个的波长处的光噪声。 使用计算出的光噪声值，数据分析器确定每个光通道的信噪比。 有利地，本发明的技术使用最小功率测量来精确地确定光信道的信噪比。