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1. 发明公开

EP0726691A2 Combined wavelength router and switch apparatus for use in a wavelength division multiplexed optical communication system 失效
标题翻译：合并的波长路由器和交换机用于波分复用光通信系统
公开(公告)号：EP0726691A2
公开(公告)日：1996-08-14
申请号：EP96300701.8
申请日：1996-01-31
申请人： AT&T Corp.
发明人： Kaminow, Ivan P. , Kobayashi, Hisashi
IPC分类号： H04Q11/00
CPC分类号： H04Q11/0005 , H04Q2011/0011 , H04Q2011/0015 , H04Q2011/0016 , H04Q2011/0024
摘要： A combined wavelength router and switch apparatus for use in an optical communication system is disclosed. The apparatus includes arrays of optical signal demultiplexers, wavelength division switches, space division switches and multiplexers, arranged in a manner that can increase the connectivity of an optical system using wavelength division multiplexed (WDM) signals. In several embodiments, time-multiplexed wavelength division switches and time-multiplexed space division switches may be used to increase further the degree of connectivity of the system or to reduce the number of wavelength division switches and space division switches required. Additional arrays of wavelength division switches or time-multiplexed wavelength division switches may be included to allow carrier frequencies to be shifted to meet the channel ordering requirements of the optical system.
摘要翻译：在光通信系统中使用的组合波长路由器和交换机设备是游离缺失盘。该装置包括光信号解复用器，波长分割开关，空分开关和多路复用器的阵列，以这样的方式布置确实可以增加使用波分复用（WDM）信号的光学系统的连通性。在几个实施方案中，时间复用的波分复用开关和时间复用的空分开关可以被用来进一步增加系统的连通性的程度或以减少所需的波分开关和空分开关的数量。可以包括波分复用开关或时间复用的波分复用开关的附加的阵列，以允许载波频率被移位，以满足信道订购的光学系统的要求。

2. 发明公开

EP0671792A1 Laser control arrangement for tuning a laser 失效
标题翻译： Laserstuerungsanordnung zum Abstimmen eines Lasers。
公开(公告)号：EP0671792A1
公开(公告)日：1995-09-13
申请号：EP95301289.5
申请日：1995-02-28
申请人： AT&T Corp.
发明人： Glance, Bernard , Kaminow, Ivan P.
IPC分类号： H01S3/133 , H01S3/106 , G02B6/34
CPC分类号： H01S3/1062 , H01S3/1392 , H01S5/0268 , H01S5/0687
摘要： In a laser control arrangement for tuning a laser a portion of the optical signal exiting a resonator is directed to the input of an optical frequency routing device. The routing device has a plurality of outputs each for receiving one of the frequencies supplied by the laser. Each output is coupled to a photodetector. When the laser emits a frequency of light corresponding to one of the resonant frequencies of the resonator, the resonant frequency will appear on one of the outputs of the routing device and will be detected by the photodetector coupled to that output.
摘要翻译：在用于调谐激光器的激光控制装置中，退出谐振器的光信号的一部分被引导到光频路由装置的输入端。路由设备具有多个输出，每个输出用于接收由激光器提供的频率之一。每个输出耦合到光电检测器。当激光器发射对应于谐振器的谐振频率之一的光的频率时，谐振频率将出现在路由设备的输出之一上，并且将被耦合到该输出的光电探测器检测。

3. 发明公开

EP0651530A2 Communication systems using passive RF routing 失效
标题翻译：使用无源RF路由的通信系统
公开(公告)号：EP0651530A2
公开(公告)日：1995-05-03
申请号：EP94307861.8
申请日：1994-10-26
申请人： AT&T Corp.
发明人： Darcie, Thomas E. , Kaminow, Ivan P. , Marcuse, Dietrich
IPC分类号： H04J14/02 , H04N7/22 , H04J1/08 , G02B6/34
CPC分类号： G02B6/12019 , H04J2203/006 , H04N7/22
摘要： Communication between an upstream point, such as a TV-source headend (HE1) followed by a fiber optic line (FF1), and a number of downstream points, such as coaxial cable connected subscriber locations (SU1, SU2 -- SUN), is achieved by wavelength or frequency demultiplexing a spectrum of downstream radio-frequency signals with a surface-acoustic- wave (SAW) demultiplexer-multiplexer (in RO1) and distributing the demultiplexed signals to the downstream points, for example through the cables (CO1, CO2 -- CON).
摘要翻译：诸如电视信源前端（HE1）之后是光纤线路（FF1）的上游点和诸如同轴电缆连接的用户位置（SU1，SU2-SUN）之类的多个下游点之间的通信是通过用表面声波（SAW）解复用器 - 复用器（在RO1中）波长或频率解复用下行射频信号频谱并且将解复用信号分配到下游点，例如通过电缆（CO1，CO2 - CON）。

4. 发明授权

EP0653821B1 Reflective digitally tunable laser 失效
标题翻译：数字型，反射型可调激光器
公开(公告)号：EP0653821B1
公开(公告)日：1998-01-28
申请号：EP94308074.7
申请日：1994-11-02
申请人： AT&T Corp.
发明人： Kaminow, Ivan P. , Zirngibl, Martin
IPC分类号： H01S3/025 , H04B10/00 , H04Q11/00 , H01S3/25 , G02B6/34
CPC分类号： H01S5/4062 , H01S5/026 , H01S5/0268 , H01S5/028 , H01S5/141 , H01S5/4068

5. 发明公开

EP0716522A2 Wavelength division multiplexed hybrid ring suitable for use in regional area networks 失效
标题翻译： Hybrider Ring mitWellenlängenmultiplexgeeignetfürdie anwendung in regionalen Netzwerken
公开(公告)号：EP0716522A2
公开(公告)日：1996-06-12
申请号：EP95308760.8
申请日：1995-12-05
申请人： AT&T Corp.
发明人： Glance, Bernard , Marra, William C. , Kaminow, Ivan P. , Schesser, Joel
IPC分类号： H04J14/02 , H04L12/28
CPC分类号： H04J14/028 , H04J14/0227 , H04J14/0241 , H04J14/0283 , H04J14/0286
摘要： Disclosed is a wavelength division multiplexed hybrid ring formed from a plurality of telecommunications links that connect a plurality of switching nodes, each telecommunications link comprising: at least one optical fiber adapted for transporting a plurality of wavelength division multiplexed channels, wherein each of the plurality of optical channels is defined by a different wavelength; and at least one branching unit disposed along the at least one optical fiber, wherein the at least one branching unit includes at least one add-drop multiplexer for adding and dropping predetermined ones of the plurality of optical channels to and from a terminal coupled to the branching unit, and the branching unit is adapted to pass predetermined ones of the plurality of optical channels between the plurality of switching nodes.
摘要翻译：公开了一种由连接多个交换节点的多个电信链路形成的波分复用混合环，每个电信链路包括：至少一个适用于传输多个波分多路复用信道的光纤，其中多个光通道由不同的波长定义; 以及沿着所述至少一个光纤布置的至少一个分支单元，其中所述至少一个分支单元包括至少一个分插复用器，用于将耦合到所述至少一个光纤的终端的多个光通道中的预定的一个分配单元分支单元，并且分支单元适于通过多个交换节点之间的多个光学信道中的预定的一个。

6. 发明公开

EP0684494A1 Optical wavelength converter 失效
标题翻译： OptischerWellenlängen-Konverter。
公开(公告)号：EP0684494A1
公开(公告)日：1995-11-29
申请号：EP95303158.0
申请日：1995-05-10
申请人： AT&T Corp.
发明人： Kaminow, Ivan P. , Zirngibl, Martin
IPC分类号： G02B6/34 , H01S3/103 , H04Q11/00
CPC分类号： G02B6/12019 , H01S5/026 , H01S5/0268 , H01S5/4062 , H01S5/50
摘要： An optical frequency translator includes a frequency routing device formed on a semiconductive wafer between two reflective facets forming a laser cavity. Waveguides associated with the device each contain an integrated optical amplifier selectively acting as a gate preventing the flow of optical energy through a respective waveguide or as a gain-providing element which amplifies optical energy flowing through a respective waveguide. When a selective one of the optical amplifiers is activated with bias current the optical energy produced by this current operates in conjunction with the optical energy of the input signal so that lasing action occurs between the reflective facets. The lasing action occurs along a predetermined path determined by the optical amplifier or amplifiers that are activated. The lasing action in this particular path is supported at a particular selected frequency. This particular frequency is the frequency to which the input signal is to be translated. An input waveguide is provided for injecting the input signal into the laser cavity. A separate output waveguide may be provided. Alternatively, the input and output signals may be transmitted on the same waveguide. A gain member such as a saturable absorber, for example, may be disposed in the laser cavity which optically couples the input waveguide to the frequency routing device.
摘要翻译：光学频率转换器包括形成在形成激光腔的两个反射小面之间的半导体晶片上的频率路由装置。与装置相关联的波导每个都包含集成的光放大器，其选择性地用作门，防止光能通过相应的波导或作为放大流过相应波导的光能的增益提供元件。当选择性的一个光放大器被偏置电流激活时，由该电流产生的光能与输入信号的光能一起工作，使得在反射小平面之间发生激光作用。激光作用沿着由被激活的光放大器确定的预定路径发生。在特定选定频率下支持该特定路径中的激光作用。该特定频率是输入信号要被转换的频率。输入波导被提供用于将输入信号注入激光腔。可以提供单独的输出波导。或者，输入和输出信号可以在相同的波导上传输。例如，诸如可饱和吸收体的增益部件可以设置在激光腔中，其将输入波导光学耦合到频率路由装置。

7. 发明公开

EP0653659A1 Tunable optical waveguide grating arrangement 失效
标题翻译： Abstimmbare optische Wellenleiter-Gitter-Anordnung。
公开(公告)号：EP0653659A1
公开(公告)日：1995-05-17
申请号：EP94308246.1
申请日：1994-11-09
申请人： AT&T Corp.
发明人： Dragone, Corrado , Kaminow, Ivan P. , Kuznetsov, Mark Edward
IPC分类号： G02F1/01 , G02B6/34
CPC分类号： G02B6/12033 , G02F1/011 , G02F1/313 , G02F2001/0152
摘要： A tunable waveguide grating includes a plurality of N waveguides which define N optically transmissive pathways. A plurality of (N-1) electrodes are arranged in the pathways such that the kth pathway contains (k-1) electrodes, where O
摘要翻译：可调波导光栅包括限定N个光学透射路径的多个N个波导。在路径中布置多个（N-1）个电极，使得第k个路径包含（k-1）个电极，其中O

8. 发明公开

EP0765051A2 Incrementally expandable ring architecture for providing telephony services 失效
标题翻译： Schrittweise erweiterbare Ringarchitektur zur Bereitstellung von Telefondiensten
公开(公告)号：EP0765051A2
公开(公告)日：1997-03-26
申请号：EP96113767.6
申请日：1996-08-28
申请人： AT&T Corp.
发明人： Glance, Bernard , Kaminow, Ivan P.
IPC分类号： H04J14/02 , H04B10/213 , H04L12/28
CPC分类号： H04J14/0291 , H04B10/271 , H04B10/275 , H04J14/0227 , H04J14/0241 , H04J14/028 , H04J14/0283 , H04J14/0286 , H04J2203/0042 , H04J2203/006 , H04Q11/0478
摘要： A telecommunications network is formed from a plurality of interlocked rings. Each interlocked ring includes two switching nodes such that adjacent pairs of interlocked rings have a switching node in common. The interlocked ring also includes first and second telecommunications links that connect the two switching nodes. The first and second telecommunications links include at least one optical fiber adapted for transporting a plurality of wavelength division multiplexed optical channels. Each of the plurality of optical channels is defined by a different wavelength. The first telecommunications link includes at least one branching unit disposed along the at least one optical fiber. The branching unit is adapted to pass predetermined ones of the plurality of optical channels between the switching nodes. The branching unit includes at least one add-drop multiplexer for adding and dropping predetermined ones of the plurality of optical channels to and from a terminal coupled to the branching unit. To provide fault tolerance, at least one of the interlocked rings may further include additional telecommunications links to perform line or path switching.
摘要翻译：电信网络由多个互锁环形成。每个互锁环包括两个交换节点，使得相邻的互锁对具有共同的交换节点。互锁环还包括连接两个交换节点的第一和第二电信链路。第一和第二电信链路包括适于传送多个波分复用光信道的至少一个光纤。多个光通道中的每一个由不同的波长限定。第一电信链路包括沿着至少一个光纤布置的至少一个分支单元。分支单元适于通过交换节点之间的多个光通道中的预定的光通道。分支单元包括至少一个分插复用器，用于将耦合到分支单元的终端的多个光通道中的预定的一个光通道加入和分出。为了提供容错，所述互锁环中的至少一个可以进一步包括用于执行线路或路径切换的附加电信链路。

9. 发明公开

EP0711011A1 Improved rapidly tunable integrated laser 失效
标题翻译： Integrierter schnell abstimmbarer激光
公开(公告)号：EP0711011A1
公开(公告)日：1996-05-08
申请号：EP95307531.4
申请日：1995-10-24
申请人： AT&T Corp.
发明人： Dragone, Corrado , Kaminow, Ivan P.
IPC分类号： H01S3/025 , G02B6/34
CPC分类号： H01S5/026 , H01S5/0268 , H01S5/4062
摘要： A monolithically integrated laser which is rapidly tunable over a wide optical frequency range comprises a frequency router formed in a semiconductive wafer defining a tuned cavity. A control circuit applies electrical energy to predetermined controllably transmissive waveguides connecting the frequency routing device with reflective elements defined in the wafer. This tunes the laser to a desired one of a plurality of optical frequencies. Application of such electrical energy creates frequency selective pathways through the wafer able to support selected lasing frequencies. This laser is economical to construct and is useful in high capacity, high speed optical communications networks.
摘要翻译：在宽的光学频率范围内可快速调谐的单片集成激光器包括形成在限定调谐腔的半导体晶片中的频率路由器。控制电路将电能施加到将频率路由设备与在晶片中定义的反射元件连接的预定的可控制的透射波导。这将激光器调谐到多个光学频率中期望的一个。这种电能的应用产生通过能够支持选定的激光频率的晶片的频率选择性通路。该激光器经济地构造并且在高容量，高速光通信网络中是有用的。

10. 发明公开

EP0653821A2 Reflective digitally tunable laser 失效
标题翻译：数码反光激光。
公开(公告)号：EP0653821A2
公开(公告)日：1995-05-17
申请号：EP94308074.7
申请日：1994-11-02
申请人： AT&T Corp.
发明人： Kaminow, Ivan P. , Zirngibl, Martin
IPC分类号： H01S3/025 , H04B10/00 , H04Q11/00 , H01S3/25 , G02B6/34
CPC分类号： H01S5/4062 , H01S5/026 , H01S5/0268 , H01S5/028 , H01S5/141 , H01S5/4068
摘要： A tunable laser formed on a semiconductive wafer comprising a plurality of monolithically integrated optical amplifiers and a planar optical multiplexer is disclosed. According to the invention, one of the optical amplifiers is activated by energy, which amplifier produces a signal. The signal is carried along a waveguide associated with the optical amplifier and enters a reflective Dragone router, which is the preferred optical multiplexer. The reflective Dragone router functions, in conjunction with the activated optical amplifier, to define a wavelength selective optically transmissive pathway to create lasing action. Facet mirrors are cleaved in the semiconductive wafer defining the lasing cavity which includes the optical amplifiers, associated waveguides and the reflective Dragone router.
摘要翻译：公开了一种形成在包括多个单片集成光放大器和平面光复用器的半导体晶片上的可调谐激光器。根据本发明，其中一个光放大器由能量激发，该放大器产生信号。信号沿着与光放大器相关的波导携带，并进入反射式的Dragone路由器，该路由器是优选的光复用器。反射式Dragone路由器与激活的光放大器配合使用，以定义波长选择性光学透射路径来产生激光作用。方形镜在限定激光腔的半导体晶片中被切割，其包括光放大器，相关联的波导和反射的Dragone路由器。可调谐激光器包括在彼此间隔开的位置处形成在半导体晶片中的两个反射表面，形成在将第一反射表面连接到自由空间区域的半导体晶片中的第一数量的波导，形成在半导体晶片中的波长选择器件，包括自由空间区域和第二数量的波导，每个波导具有不同的长度并且共同限定在一端连接到第二反射表面的光学光栅，另一端限定到自由空间区域。在第一数量的波导的至少两个波导中形成至少两个可控光放大器。每个光放大器具有用于提供光增益和门状态的激活状态，其中光放大器不对第一反射源进行光学透射。器件选择性地向一个光放大器提供偏置电流以将一个光放大器置于激活状态，其中有源光放大器，其中形成的波导和波长选择器件限定波长选择性光透射路径以产生激光行动。

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