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1. 发明授权

US10374704B2 Raman amplifier system and method with integrated optical time domain reflectometer 有权
公开(公告)号：US10374704B2
公开(公告)日：2019-08-06
申请号：US15705834
申请日：2017-09-15
申请人： Ciena Corporation
发明人： Jean-Luc Archambault , Jun Bao , Balakrishnan Sridhar
IPC分类号： H01S3/30 , H04Q9/00 , H01S3/094 , H01S3/131 , H04J14/02 , H04B10/071 , H04B10/073 , H04B10/079 , H04B10/291 , G01M11/00
摘要： An optical module includes an optical amplifier configured to amplify Wavelength Division Multiplexing (WDM) channels transmitted on a fiber; and an optical time domain reflectometer (OTDR) configured to transmit an OTDR signal on the fiber and detect a back-scattered signal based thereon to test the fiber, wherein a wavelength of the OTDR signal is one of i) between one or more wavelengths associated with the optical amplifier and one or more wavelengths associated with the WDM channels and ii) greater than the one or more wavelengths associated with the WDM channels, for in-service operation of the OTDR.

2. 发明授权

US10250326B2 Embedded apparatus to monitor simulated brillouin scattering from Raman amplifier in fiber optics transmission system 有权
公开(公告)号：US10250326B2
公开(公告)日：2019-04-02
申请号：US13902210
申请日：2013-05-24
申请人： Ciena Corporation
发明人： Jun Bao , Joseph F. Ferment, III , Hua Jiao , Jean-Luc Archambault
IPC分类号： H04B10/079
摘要： The embedded apparatus disclosed herein may measure reflection coefficient values associated with back reflections in a fiber optics transmission system during a variable detection window to detect normal conditions, simulated Brillouin scattering (SBS), or excessive back reflections triggering remedial action. For example, the back reflections may indicate normal conditions if the reflection coefficients measured during an entire detection window remained below a threshold or a maximum reflection coefficient observed therein was below the threshold. Alternatively, the back reflections may trigger remedial action if the reflection coefficients measured in the entire detection window exceeded the threshold or a minimum reflection coefficient observed therein was above the threshold. Otherwise, the back reflections may indicate the SBS effect if the reflection coefficients measured during the detection window included points above and below the threshold or the minimum and maximum reflection coefficients observed therein were below and above the threshold.

3. 发明申请

US20140348501A1 EMBEDDED APPARATUS TO MONITOR SIMULATED BRILLOUIN SCATTERING FROM RAMAN AMPLIFIER IN FIBER OPTICS TRANSMISSION SYSTEM 审中-公开
标题翻译：嵌入式设备，用于监控光纤光传输系统中拉曼放大器的模拟BRILLUNAN散射
公开(公告)号：US20140348501A1
公开(公告)日：2014-11-27
申请号：US13902210
申请日：2013-05-24
申请人： Ciena Corporation
发明人： Jun Bao , Joseph F. Ferment, III , Hua Jiao , Jean-Luc Archambault
IPC分类号： H04B10/079
CPC分类号： H04B10/0797
摘要： The embedded apparatus disclosed herein may measure reflection coefficient values associated with back reflections in a fiber optics transmission system during a variable detection window to detect normal conditions, simulated Brillouin scattering (SBS), or excessive back reflections triggering remedial action. For example, the back reflections may indicate normal conditions if the reflection coefficients measured during an entire detection window remained below a threshold or a maximum reflection coefficient observed therein was below the threshold. Alternatively, the back reflections may trigger remedial action if the reflection coefficients measured in the entire detection window exceeded the threshold or a minimum reflection coefficient observed therein was above the threshold. Otherwise, the back reflections may indicate the SBS effect if the reflection coefficients measured during the detection window included points above and below the threshold or the minimum and maximum reflection coefficients observed therein were below and above the threshold.
摘要翻译：本文公开的嵌入式装置可以在可变检测窗口期间测量与光纤传输系统中的反射反射相关联的反射系数值，以检测正常条件，模拟布里渊散射（SBS）或触发补救动作的过度反射反射。例如，如果在整个检测窗口期间测量的反射系数保持低于阈值或其中观察到的最大反射系数低于阈值，则后反射可以指示正常条件。或者，如果在整个检测窗口中测量的反射系数超过阈值或其中观察到的最小反射系数高于阈值，则后反射可以触发补救动作。否则，如果在检测窗口期间测量的反射系数包括高于和低于阈值的点或其中观察到的最小和最大反射系数低于和高于阈值，则后反射可以指示SBS效应。

4. 发明授权

US09793986B2 Raman amplifier system and method with integrated optical time domain reflectometer 有权
公开(公告)号：US09793986B2
公开(公告)日：2017-10-17
申请号：US14845351
申请日：2015-09-04
申请人： Ciena Corporation
发明人： Jean-Luc Archambault , Jun Bao , Balakrishnan Sridhar
IPC分类号： H04B10/2537 , H04B10/079 , H04B10/071 , G01M11/00 , H01S3/30 , H04B10/291 , H04Q9/00 , H04B10/073 , H04J14/02 , H01S3/094 , H01S3/131
CPC分类号： H04B10/0797 , G01M11/3109 , G01M11/3136 , G01M11/319 , H01S3/094042 , H01S3/094046 , H01S3/1312 , H01S3/302 , H04B10/071 , H04B10/0731 , H04B10/2916 , H04J14/0227 , H04Q9/00
摘要： Raman amplifier systems and methods with an integrated Optical Time Domain Reflectometer (OTDR) for integrated testing functionality include an amplifier system, an OTDR and telemetry subsystem, and a method of operation. The OTDR and telemetry subsystem is configured to operate in an OTDR mode when coupled to a line in port and to operate in a telemetry mode when coupled to a line out port. The OTDR and telemetry subsystem enables on-demand fiber testing while also operating as a telemetry channel that is both a redundant optical service channel (OSC) and provides a mechanism to monitor Raman gain over time. The OTDR and telemetry subsystem minimizes cost and space by sharing major optical and electrical components between the integrated OTDR and other functions on the Raman amplifier.

5. 发明授权

US08885248B2 Raman amplifier gain compression systems and methods based on signal power monitoring 有权
标题翻译：拉曼放大器获得基于信号功率监测的压缩系统和方法
公开(公告)号：US08885248B2
公开(公告)日：2014-11-11
申请号：US13654086
申请日：2012-10-17
申请人： Ciena Corporation
发明人： Jun Bao , Balakrishnan Sridhar
IPC分类号： H01S3/30 , H01S3/102
CPC分类号： H01S3/302 , H01S3/06758 , H01S3/10069 , H01S3/1301 , H01S3/1608
摘要： Raman amplifier gain compression systems and methods based on signal power monitoring are described which estimate distributed Raman amplifier saturation based on a total power measurement at an output of a distributed Raman amplifier and correct for any changes by adjusting the pump power. Since the power measurement, gain estimation, and the pump control and done locally at the Raman amplifier, the duration of any transients is minimized. The systems and methods quickly detect transients on a fiber link using a power monitor in the Raman amplifier, estimate the change in gain due to change in input power from distributed Raman gain, and perform a feedback loop that corrects pump power to eliminate the change in Raman gain locally.
摘要翻译：描述了基于信号功率监测的拉曼放大器增益压缩系统和方法，其基于在分布式拉曼放大器的输出处的总功率测量来估计分布式拉曼放大器饱和度，并通过调节泵浦功率来校正任何变化。由于功率测量，增益估计和泵控制，并在拉曼放大器局部完成，任何瞬变的持续时间都被最小化。系统和方法使用拉曼放大器中的功率监视器快速检测光纤链路上的瞬变，估计由于分布式拉曼增益输入功率变化引起的增益变化，并执行校正泵功率以消除变化的反馈回路拉曼在本地获利。

6. 发明申请

US20140104679A1 RAMAN AMPLIFIER GAIN COMPRESSION SYSTEMS AND METHODS BASED ON SIGNAL POWER MONITORING 有权
标题翻译：拉曼放大器增益压缩系统和基于信号功率监测的方法
公开(公告)号：US20140104679A1
公开(公告)日：2014-04-17
申请号：US13654086
申请日：2012-10-17
申请人： CIENA CORPORATION
发明人： Jun Bao , Balakrishnan Sridhar
IPC分类号： H01S3/30
CPC分类号： H01S3/302 , H01S3/06758 , H01S3/10069 , H01S3/1301 , H01S3/1608
摘要： Raman amplifier gain compression systems and methods based on signal power monitoring are described which estimate distributed Raman amplifier saturation based on a total power measurement at an output of a distributed Raman amplifier and correct for any changes by adjusting the pump power. Since the power measurement, gain estimation, and the pump control and done locally at the Raman amplifier, the duration of any transients is minimized. The systems and methods quickly detect transients on a fiber link using a power monitor in the Raman amplifier, estimate the change in gain due to change in input power from distributed Raman gain, and perform a feedback loop that corrects pump power to eliminate the change in Raman gain locally.
摘要翻译：描述了基于信号功率监测的拉曼放大器增益压缩系统和方法，其基于在分布式拉曼放大器的输出处的总功率测量来估计分布式拉曼放大器饱和度，并通过调节泵浦功率来校正任何变化。由于功率测量，增益估计和泵控制，并在拉曼放大器局部完成，任何瞬变的持续时间都被最小化。系统和方法使用拉曼放大器中的功率监视器快速检测光纤链路上的瞬变，估计由于分布式拉曼增益输入功率变化引起的增益变化，并执行校正泵功率以消除变化的反馈回路拉曼在本地获利。

7. 发明授权

US09680569B2 Method and system for optical connection validation in a reconfigurable optical add-drop multiplexer (ROADM) node 有权
公开(公告)号：US09680569B2
公开(公告)日：2017-06-13
申请号：US14503488
申请日：2014-10-01
申请人： Ciena Corporation
发明人： Jean-Luc Archambault , Scott Kohlert , Jun Bao , Zhonghua Zhu
IPC分类号： H04B10/07 , H04J14/00 , H04J14/02 , H04B10/079 , H04Q11/00
CPC分类号： H04B10/07955 , H04J14/0212 , H04J14/0217 , H04Q11/0005 , H04Q11/0066 , H04Q2011/0016 , H04Q2011/0047 , H04Q2011/0083 , H04Q2011/009
摘要： A method of validating connections in an optical add/drop multiplexer (OADM) that includes a plurality of modules configured to route optical signals through the OADM, and at least one multi-fiber cable connecting modules of the OADM. A light source coupled to a first port of a first module is controlled to emit a test light. A determination is made whether or not the test light is received at a first photo-detector connected to a second port. Continuity of a connection between the first port and the second port is validated when the test light is received at the first photo-detector.

8. 发明申请

US20160099851A1 METHOD AND SYSTEM FOR OPTICAL CONNECTION VALIDATION IN A RECONFIGURABLE OPTICAL ADD-DROP MULTIPLEXER (ROADM) NODE 有权
标题翻译：可重新配置光学多路复用器（ROADM）节点中的光连接验证方法与系统
公开(公告)号：US20160099851A1
公开(公告)日：2016-04-07
申请号：US14503488
申请日：2014-10-01
申请人： Ciena Corporation
发明人： Jean-Luc Archambault , Scott Kohlert , Jun Bao , Joshua Zhu
IPC分类号： H04L12/26 , H04Q11/00 , H04B10/079 , H04J14/02
CPC分类号： H04B10/07955 , H04J14/0212 , H04J14/0217 , H04Q11/0005 , H04Q11/0066 , H04Q2011/0016 , H04Q2011/0047 , H04Q2011/0083 , H04Q2011/009
摘要： A method of validating connections in an optical add/drop multiplexer (OADM) that includes a plurality of modules configured to route optical signals through the OADM, and at least one multi-fiber cable connecting modules of the OADM. A light source coupled to a first port of a first module is controlled to emit a test light. A determination is made whether or not the test light is received at a first photo-detector connected to a second port. Continuity of a connection between the first port and the second port is validated when the test light is received at the first photo-detector.
摘要翻译：一种在光分插复用器（OADM）中验证连接的方法，所述光分插复用器（OADM）包括配置成经由所述OADM路由光信号的多个模块，以及连接所述OADM模块的至少一个多光纤电缆。耦合到第一模块的第一端口的光源被控制以发射测试光。确定在连接到第二端口的第一光电检测器是否接收到测试光。当在第一光电检测器处接收到测试光时，第一端口和第二端口之间的连接的连续性被验证。

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