MODULATION METHOD AND APPARATUS FOR AMPLITUDE- OR INTENSITY-MODULATED COMMUNICATION SYSTEMS
    61.
    发明申请
    MODULATION METHOD AND APPARATUS FOR AMPLITUDE- OR INTENSITY-MODULATED COMMUNICATION SYSTEMS 审中-公开
    调制方法和放大器或强度调制通信系统的设备

    公开(公告)号:US20130223850A1

    公开(公告)日:2013-08-29

    申请号:US13491655

    申请日:2012-06-08

    CPC classification number: H04L27/06

    Abstract: The present invention relates to a method for determining a signaling set, comprising: selecting a first basis function in the form of a symmetric pulse represented by an even function; selecting a second basis function orthogonal to the first basis function; wherein the second basis function is represented by an odd function having a shape determined by a variable parameter; and determining a signaling set comprising a plurality of data signals formed by linear combinations of the first and second basis functions based on a predetermined requirement of the signaling set. The invention also relates to a modulation and demodulation method using the signaling set, a device performing the modulation and demodulation method and to a system incorporating such a device.

    Abstract translation: 本发明涉及一种用于确定信令集的方法,包括:选择由均匀函数表示的对称脉冲形式的第一基函数; 选择与第一基函数正交的第二基函数; 其中所述第二基函数由具有由可变参数确定的形状的奇函数表示; 以及基于所述信令集的预定要求,确定包括由所述第一和第二基本函数的线性组合形成的多个数据信号的信令集。 本发明还涉及使用信令集的调制和解调方法,执行调制和解调方法的装置以及结合这种装置的系统。

    Code grouping for optical networks
    62.
    发明授权
    Code grouping for optical networks 有权
    光网络代码分组

    公开(公告)号:US08521036B2

    公开(公告)日:2013-08-27

    申请号:US12828354

    申请日:2010-07-01

    CPC classification number: H04J14/02 H04J14/007

    Abstract: The invention is directed to code labeling in an optical network. The network includes a transmitting station operable to transmit an optical signal. The network also includes an encoder coupled to the transmitting station operable to label the optical signal composed of a group of codes. A receiving station operable to receive the labeled group of optical codes is also provided. The receiving station is operable to read the optical signal if the label of the received group of codes corresponds to the group of codes assigned to the receiving station.

    Abstract translation: 本发明涉及光网络中的代码标注。 网络包括可操作以发送光信号的发送台。 网络还包括耦合到发射台的编码器,可操作地标记由一组码组成的光信号。 还提供了可操作以接收标记的光学代码组的接收站。 如果所接收的代码组的标签对应于分配给接收站的代码组,则接收站可操作以读取光信号。

    METHOD AND APPARATUS FOR DETECTING RADIO-FREQUENCY SIGNALS USING A DISPERSIVE FIBER OPTICAL LOOP
    63.
    发明申请
    METHOD AND APPARATUS FOR DETECTING RADIO-FREQUENCY SIGNALS USING A DISPERSIVE FIBER OPTICAL LOOP 有权
    使用分散光纤环路检测无线电频率信号的方法和装置

    公开(公告)号:US20130209107A1

    公开(公告)日:2013-08-15

    申请号:US13371556

    申请日:2012-02-13

    CPC classification number: H04B10/2575 H04B2210/006

    Abstract: An apparatus comprising a dispersive fiber optical loop for delaying a first and second sideband, relative to each other, of a light modulated by a radio frequency signal to create a pair of pulses, a coupler for tapping a replica of the pair of pulses from the loop; and an auto-correlation module, coupled to the coupler, for correlating the replica of the pair of pulses with each other.

    Abstract translation: 一种包括分散光纤光环路的装置,用于相对于彼此相对于彼此延迟由射频信号调制的光以产生一对脉冲;耦合器,用于从所述第一和第二边带中分离出来的所述一对脉冲的副本 循环; 以及耦合到所述耦合器的用于将所述一对脉冲的副本彼此相关联的自相关模块。

    Optical fiber amplifier having nanostructures
    65.
    发明授权
    Optical fiber amplifier having nanostructures 失效
    具有纳米结构的光纤放大器

    公开(公告)号:US08503071B2

    公开(公告)日:2013-08-06

    申请号:US12708810

    申请日:2010-02-19

    Abstract: Disclosed is a stimulated Raman scattering effect (SRS), amplifying optical fiber that includes a central core comprising a dielectric matrix that is capable of vibrating at a given frequency (ωRaman) under the effect of a pump signal. The optical fiber includes at least one kind of metallic nanostructure that is capable of generating surface plasmon resonance (SPR) in the optical fiber. The metallic nanostructures have a shape and composition such that the frequency of their surface plasmon resonance (ωplasmon) corresponds to the frequency of the pump signal (ωpump) and/or the frequency of the optical signal transmitted in the optical fiber (ωsignal).

    Abstract translation: 公开了一种受激拉曼散射效应(SRS),放大光纤,其包括中心芯,该中心芯包括在泵浦信号的作用下以给定频率(omegaRaman)振动的介电矩阵。 光纤包括能够在光纤中产生表面等离子体共振(SPR)的至少一种金属纳米结构。 金属纳米结构具有这样的形状和组成,使得它们的表面等离子体共振(omegaaplasmon)的频率对应于泵浦信号(ωPapump)的频率和/或在光纤中传输的光信号的频率(ω信号)。

    Method for controlling an erbium doped fiber amplifier (EDFA) and amplifier arrangement
    66.
    发明授权
    Method for controlling an erbium doped fiber amplifier (EDFA) and amplifier arrangement 有权
    用于控制掺铒光纤放大器(EDFA)和放大器布置的方法

    公开(公告)号:US08493652B2

    公开(公告)日:2013-07-23

    申请号:US12922198

    申请日:2009-03-11

    Abstract: The invention refers to a method for operating an amplifier with a first amplifier stage (A1) and a second amplifier stage (A2), pumped by a single pump light source (11) generating a primary pump signal (SPUMP), which is split into first pump signal (S1) and a second pump signal (S2) according to a variable splitting factor (α) for pumping the first amplifier stage (A1) and the second amplifier stage (A2) respectively. The splitting factor (α) is varied to achieve an optimized noise figure.

    Abstract translation: 本发明涉及一种用于操作具有第一放大器级(A1)和第二放大级(A2)的放大器的方法,该放大器级由泵浦光源(11)泵送,该泵浦光源产生初级泵浦信号(SPUMP),该主泵浦信号被分成 根据用于分别泵浦第一放大级(A1)和第二放大级(A2)的可变分频因子(α)的第一泵浦信号(S1)和第二泵浦信号(S2)。 分解因子(α)是变化的以实现优化的噪声系数。

    Intrapersonal data communication system
    68.
    发明授权
    Intrapersonal data communication system 有权
    内部数据通信系统

    公开(公告)号:US08488969B1

    公开(公告)日:2013-07-16

    申请号:US13679935

    申请日:2012-11-16

    Abstract: Intrapersonal communication systems and methods that provide an optical digital signal link between two or more local devices are disclosed. In some embodiments, the system includes a first signal converter disposed at a first end of the optical digital signal link and configured to convert between electrical digital signals from a first local device and optical digital signals from the optical digital signal link. The system can include an optical connector having a non-contact portion configured to couple optical digital signals between the first signal converter and the optical digital signal link across a gap. The system can include a second signal converter disposed at a second end of the optical digital signal link and configured to convert between electrical digital signals from the second local device and optical digital signals from the optical digital signal link.

    Abstract translation: 公开了提供两个或多个本地设备之间的光数字信号链路的内部通信系统和方法。 在一些实施例中,系统包括设置在光数字信号链路的第一端处并被配置为在来自第一本地设备的电数字信号和来自光数字信号链路的光数字信号之间进行转换的第一信号转换器。 该系统可以包括具有非接触部分的光学连接器,该非接触部分配置为在第一信号转换器和光学数字信号链路之间跨越间隙耦合光学数字信号。 该系统可以包括设置在光学数字信号链路的第二端处并被配置为在来自第二本地设备的电数字信号和来自光学数字信号链路的光学数字信号之间转换的第二信号转换器。

    Dispersion determining apparatus and automatic dispersion compensating system using the same
    69.
    发明授权
    Dispersion determining apparatus and automatic dispersion compensating system using the same 有权
    色散判定装置及使用其的自动色散补偿系统

    公开(公告)号:US08488961B2

    公开(公告)日:2013-07-16

    申请号:US12514766

    申请日:2007-08-15

    Inventor: Nobuhide Yoshida

    Abstract: A dispersion determining apparatus comprises a received waveform monitoring part (1) and a dispersion amount determining part (4). The received waveform monitoring part (1) has a waveform monitoring circuit (2) that samples data from the received waveform of a received signal having propagated along a transmission path, and a histogram extracting circuit (3) that extracts, based on the sampled data obtained by the waveform monitoring circuit (2), a histogram data representative of the intensity distribution in the voltage direction of the received waveform. The dispersion amount determining part (4) has a polarized wave dispersion estimating circuit (7) that determines the horizontally asymmetric degree of a received eye-pattern waveform of the received waveform obtained by analyzing the histogram data extracted by the received waveform monitoring part (1) and then estimates, based on the determined asymmetric degree, a polarized wave dispersion amount in the transmission path.

    Abstract translation: 色散判定装置包括接收波形监视部分(1)和色散量确定部分(4)。 接收波形监视部分(1)具有波形监视电路(2),其从沿传输路径传播的接收信号的接收波形中采样数据;以及直方图提取电路(3),其基于采样数据 由波形监视电路(2)得到的表示接收波形的电压方向上的强度分布的直方图数据。 色散量确定部分(4)具有偏振波分散估计电路(7),其确定通过分析由接收波形监视部分(1)提取的直方图数据而获得的接收波形的接收眼图波形的水平不对称度 ),然后基于确定的不对称度估计传输路径中的偏振波色散量。

    Programmable signal emphasis for optical transmitters
    70.
    发明授权
    Programmable signal emphasis for optical transmitters 有权
    可编程信号强调光发射机

    公开(公告)号:US08483577B2

    公开(公告)日:2013-07-09

    申请号:US12339123

    申请日:2008-12-19

    CPC classification number: H04B10/58

    Abstract: A method includes delivering an electrical signal over an electrical conductor to a transmitter module, which includes a memory holding compensation values corresponding respectively to different conductor lengths. One or more of the compensation values is retrieved from the memory of the transmitter module, and a waveform of the electrical signal is modified responsively to the retrieved compensation values. The electrical signal having the modified waveform is transmitted using the transmitter module over a communication link.

    Abstract translation: 一种方法包括通过电导体将电信号传送到发射机模块,该发射机模块包括分别对应于不同导体长度的存储器保持补偿值。 从发送器模块的存储器检索一个或多个补偿值,并且响应于所检索的补偿值修改电信号的波形。 具有修改波形的电信号通过通信链路使用发射机模块进行传输。

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