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1. 发明授权

US09882651B2 Methods, circuits and optical cable assemblies for optical transmission of high-speed data and low-speed data 有权
公开(公告)号：US09882651B2
公开(公告)日：2018-01-30
申请号：US15063617
申请日：2016-03-08
申请人： Corning Optical Communications LLC
发明人： Richard Clayton Walker
IPC分类号： H04B10/564 , H04B10/50 , H04B10/516 , H04B10/54 , H04B10/66
CPC分类号： H04B10/564 , H04B10/503 , H04B10/516 , H04B10/5161 , H04B10/541 , H04B10/66 , H04B2210/074
摘要： Methods, circuits and active optical cable assemblies for simultaneous transmission of low-speed optical data and high-speed optical data over an optical fiber link are disclosed. In one embodiment, a method of optical communication includes controlling a laser such that an output of the laser transmits high-speed optical data at a first bit rate, and modulating an amplitude of the output of the laser such that the laser transmits low-speed optical data at a second bit rate simultaneously with the high-speed optical data. In another embodiment, a circuit for providing optical communication includes a laser and a laser driver circuit that digitally modulates an output of the laser to transmit high-speed optical data at a first bit rate. The circuit further includes an amplitude modulation circuit that modulates an amplitude of the laser to transmit low-speed optical data at a second bit rate simultaneously with the high-speed optical data.

2. 发明授权

US09838115B2 Determination of an optical signal to noise ratio of a dual-polarization optical signal 有权
公开(公告)号：US09838115B2
公开(公告)日：2017-12-05
申请号：US14904354
申请日：2014-07-09
申请人： Orange
发明人： Erwan Pincemin , Yann Loussouarn
IPC分类号： H04B10/08 , H04B10/079 , H04B10/077
CPC分类号： H04B10/07953 , H04B10/0775 , H04B2210/074
摘要： A method is provided for determining an optical signal to noise ratio of a dual polarization optical signal. The method includes: detecting, in the dual polarization optical signal, a modulation signal which modulates, at at least one low amplitude level that is approximately zero and at a high amplitude level, the dual polarization optical signal, and determining the optical signal to noise ratio from a measurement of the power of the modulation signal.

3. 发明授权

US09698905B2 Optical transmission system, optical transmission apparatus and wavelength spacing measurement apparatus 有权
公开(公告)号：US09698905B2
公开(公告)日：2017-07-04
申请号：US14712195
申请日：2015-05-14
申请人： FUJITSU LIMITED
发明人： Taku Saito , Kosuke Komaki , Taketo Endo
IPC分类号： H04B10/08 , H04B10/079 , H04B10/077 , H04J14/02
CPC分类号： H04B10/07957 , H04B10/0779 , H04B10/0799 , H04B2210/074 , H04J14/0256
摘要： An optical transmission system includes comprising: a first optical transmission apparatus to transmit wavelength-multiplexed optical signals; and a second optical transmission apparatus to receive the wavelength-multiplexed optical signals, the second optical transmission apparatus including: a receiver to perform digital coherent reception; a wavelength spacing monitor to transform a reception signal obtained by the digital coherent reception from a time domain signal to a frequency domain spectrum signal, and to monitor wavelength spacing of the spectrum signal; and a transmitter to transmit, to the first optical transmission apparatus, wavelength control information according to a monitor result obtained by the wavelength spacing monitor or the monitor result, wherein the first optical transmission apparatus includes: a receiver to receive the wavelength control information or the monitor result; and a control unit to control the wavelength spacing based on the wavelength control information or the monitor result received by the receiver.

4. 发明授权

US09692520B2 Optical signal-processing apparatus, receiving apparatus, and optical network system 有权
公开(公告)号：US09692520B2
公开(公告)日：2017-06-27
申请号：US14617516
申请日：2015-02-09
申请人： FUJITSU LIMITED
发明人： Shigeki Watanabe
IPC分类号： H04B10/00 , H04B10/54 , H04B10/07 , G02F1/39 , H04B10/61 , H04J14/02
CPC分类号： H04B10/541 , G02F1/395 , G02F2001/392 , H04B10/07 , H04B10/0773 , H04B10/299 , H04B10/616 , H04B2210/074 , H04J14/02 , H04J14/0221 , H04J14/0227 , H04J14/0275 , H04J14/0276
摘要： An optical modulator combines and inputs a signal light propagating through the optical network and a control light having information concerning the optical network to a nonlinear optical medium. The optical modulator modulates the signal light according to changes in intensity of the control light, in the nonlinear optical medium.

5. 发明授权

US09496953B2 Device and method for monitoring optical signal quality, and optical transmission device 有权
标题翻译：光信号质量监测装置及方法，光传输装置
公开(公告)号：US09496953B2
公开(公告)日：2016-11-15
申请号：US14537396
申请日：2014-11-10
申请人： FUJITSU LIMITED
发明人： Goji Nakagawa , Yasuhiko Aoki
IPC分类号： H04B10/079 , H04B10/077
CPC分类号： H04B10/0795 , H04B10/0775 , H04B2210/074
摘要： A device for monitoring optical signal includes: an optical filter configured to allow part of a spectrum of an optical signal on which a frequency or phase modulated signal is superimposed to pass; and a detection unit configured to detect signal quality of the optical signal, based on a power ratio of a signal component to a noise component of the modulated signal, the power ratio being obtained based on a power change in accordance with the modulated signal of light that has been caused to pass through the optical filter.
摘要翻译：一种用于监视光信号的装置包括：滤光器，被配置为允许其上叠加有频率或相位调制信号的光信号的频谱的一部分通过; 以及检测单元，被配置为基于信号分量与调制信号的噪声分量的功率比来检测光信号的信号质量，功率比是基于根据光的调制信号的功率变化获得的已经导致通过滤光器。

6. 发明申请

US20160142134A1 DETERMINATION OF AN OPTICAL SIGNAL TO NOISE RATIO OF A DUAL-POLARIZATION OPTICAL SIGNAL 有权
标题翻译：光学信号对双极化光信号噪声比的测定
公开(公告)号：US20160142134A1
公开(公告)日：2016-05-19
申请号：US14904354
申请日：2014-07-09
申请人： ORANGE
发明人： Erwan Pincemin , Yann Loussouarn
IPC分类号： H04B10/079
CPC分类号： H04B10/07953 , H04B10/0775 , H04B2210/074
摘要： A method is provided for determining an optical signal to noise ratio of a dual polarization optical signal. The method includes: detecting, in the dual polarization optical signal, a modulation signal which modulates, at at least one low amplitude level that is approximately zero and at a high amplitude level, the dual polarization optical signal, and determining the optical signal to noise ratio from a measurement of the power of the modulation signal.
摘要翻译：提供了一种用于确定双偏振光信号的光信噪比的方法。该方法包括：在双偏振光学信号中，检测调制信号，该调制信号在至少一个低幅度电平处调制双偏振光信号，并且将该光信号与噪声从调制信号的功率的测量的比率。

7. 发明授权

US09219548B2 Modulator with marking of polarization 有权
标题翻译：具有极化标记的调制器
公开(公告)号：US09219548B2
公开(公告)日：2015-12-22
申请号：US13496669
申请日：2010-09-15
申请人： Massimiliano Salsi , Jeremie Renaudier
发明人： Massimiliano Salsi , Jeremie Renaudier
IPC分类号： H04B10/00 , H04B10/08 , H04B10/04 , H04B10/06 , H04B10/556 , H04B10/60 , H04J14/00 , H04J14/06 , H04B10/2575
CPC分类号： H04B10/5561 , H04B10/2575 , H04B10/60 , H04B10/6166 , H04B2201/70727 , H04B2210/074 , H04B2210/075 , H04J14/002 , H04J14/06
摘要： A modulator with polarization marking comprising two input ports for receiving two optical signals at one wavelength, and exhibiting essentially perpendicular optical polarization states, capable of phase-modulating those signals with data signals and of combining them with polarization, characterized in that it comprises a source of phase overmodulation for overmodulating the phase of one of said two optical signals, said phase overmodulation exhibiting a modulation frequency substantially lower than the modulation frequency of said data signals. A method and a coherent receiver are also disclosed.
摘要翻译：具有偏振标记的调制器包括两个输入端口，用于在一个波长处接收两个光信号，并呈现出基本上垂直的光学偏振状态，能够用数据信号对这些信号进行相位调制并将其与极化相结合，其特征在于，其包括源相位过调制用于过调制所述两个光信号之一的相位，所述相位过调制表现出显着低于所述数据信号的调制频率的调制频率。还公开了一种方法和相干接收机。

8. 发明申请

US20150304050A1 OPTICAL TRANSMISSION DEVICE AND OPTICAL TRANSMISSION METHOD 有权
标题翻译：光传输设备和光传输方法
公开(公告)号：US20150304050A1
公开(公告)日：2015-10-22
申请号：US14660045
申请日：2015-03-17
申请人： FUJITSU LIMITED
发明人： Tomoaki WATANABE
IPC分类号： H04B10/54 , H04L7/00
CPC分类号： H04B10/541 , H04B10/25 , H04B2210/074 , H04J14/02 , H04L7/0041 , H04L7/0075
摘要： An optical transmission device includes: an optical splitter configured to branch signal light input from a first optical network; a variable optical attenuator configured to control an attenuation amount of first branched signal light branched by the optical splitter and output the first branched signal light for a second optical network; and a controller configured to detect a modulation component of a signal superimposed on the signal light from second branched signal light branched by the optical splitter and control, based on the detected modulation component, an attenuation amount of the variable optical attenuator, so that the modulation component is suppressed.
摘要翻译：一种光传输装置，包括：分配器，配置为对从第一光网络输入的信号光进行分支; 可变光衰减器，被配置为控制由所述光分路器分支的第一分支信号光的衰减量，并输出用于第二光网络的所述第一分支信号光; 以及控制器，被配置为检测叠加在由光分路器分支的第二分支信号光的信号光上的信号的调制分量，并且基于检测到的调制分量来控制可变光衰减器的衰减量，使得调制组件被抑制。

9. 发明授权

US09094147B2 System control of repeatered optical communications system 有权
标题翻译：重复光通信系统的系统控制
公开(公告)号：US09094147B2
公开(公告)日：2015-07-28
申请号：US13834968
申请日：2013-03-15
申请人： Xtera Communications, Inc.
发明人： Gerhard Willem van Lochem , Stephen Desbruslais , David Winterburn
IPC分类号： H04B10/08 , H04J14/02 , H04B10/077 , H04B10/079
CPC分类号： H04J14/02 , H04B10/0777 , H04B10/07953 , H04B2210/074 , H04J14/0227
摘要： The system-level control of a repeatered optical communications system. In a repeatered optical communications system, two terminals are optically coupled via an optical communications span having one or more repeaters. One of the terminals may perform the control by monitoring quality metrics of optical signals received over the communication span. Based on this monitoring, certain adjustments are determined to be performed, and the repeater controllers of the respective optical repeaters are instructed to perform the adjustments. In some case, the optical repeater adjustments cannot be made without impacting the performance of the optical signals traveling in the opposite direction. In that case, the system-level control uses monitored quality metrics from both terminals to determine the adjustments to be made. The system level adjustment may be automated by software or the like thereby making optimization of the optical communications span easier.
摘要翻译：中继光通信系统的系统级控制。在重复的光通信系统中，两个终端经由具有一个或多个中继器的光通信范围进行光耦合。其中一个终端可以通过监视在通信范围内接收的光信号的质量度量来执行控制。基于该监视，确定执行某些调整，并且指示各个光中继器的中继器控制器进行调整。在某些情况下，光中继器调整不能在不影响在相反方向上行进的光信号的性能的情况下进行。在这种情况下，系统级控制使用来自两个终端的监控质量度量来确定要进行的调整。系统级调整可以通过软件等自动化，从而使光通信范围的优化更容易。

10. 发明授权

US08989571B2 In-band supervisory data modulation using complementary power modulation 有权
标题翻译：使用互补功率调制的带内监控数据调制
公开(公告)号：US08989571B2
公开(公告)日：2015-03-24
申请号：US13620102
申请日：2012-09-14
申请人： Inwoong Kim , Olga Vassilieva , Paparao Palacharla , Motoyoshi Sekiya
发明人： Inwoong Kim , Olga Vassilieva , Paparao Palacharla , Motoyoshi Sekiya
IPC分类号： H04B10/08 , H04B17/00 , H04B10/04 , H04B10/12 , H04B10/077
CPC分类号： H04B10/0773 , H04B2210/074
摘要： According to an aspect of an embodiment, a method of modulating supervisory data onto an optical signal includes increasing a first power level of a first polarization component of an optical signal based on supervisory data. The method further includes decreasing a second power level of a second polarization component of the optical signal based on the supervisory data. The decrease in the second power level is substantially the same as the increase in the first power level such that a total power of the optical signal is substantially constant.
摘要翻译：根据实施例的一个方面，将监控数据调制到光信号上的方法包括基于监控数据增加光信号的第一偏振分量的第一功率电平。该方法还包括基于监视数据降低光信号的第二偏振分量的第二功率电平。第二功率电平的降低与第一功率电平的增加基本相同，使得光信号的总功率基本上恒定。

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